Subscribe: Planet Debian
Language: English
Tags:
debian  free  hours  install  months  new  package  packages  people  propellor  release  sff  software  time  work
Rate this Feed

Feed Details and Statistics
Preview: Planet Debian

# Planet Debian

## Planet Debian - http://planet.debian.org/

Dirk Eddelbuettel: Rcpp 0.12.14: Some deprecation and minor updates

Fri, 24 Nov 2017 13:49:00 +0000

The fourteenth release in the 0.12.* series of Rcpp landed on CRAN yesterday after a somewhat longer-than-usual gestation period (and word is it may have been due to some unrelated disturbances from lots of changes within the main r-devel build). This release follows the 0.12.0 release from July 2016, the 0.12.1 release in September 2016, the 0.12.2 release in November 2016, the 0.12.3 release in January 2017, the 0.12.4 release in March 2016, the 0.12.5 release in May 2016, the 0.12.6 release in July 2016, the 0.12.7 release in September 2016, the 0.12.8 release in November 2016, the 0.12.9 release in January 2017, the 0.12.10.release in March 2017, the 0.12.11.release in May 2017, the 0.12.12 release in July 2017 and the 0.12.13.release in late September 2017 making it the eighteenth release at the steady and predictable bi-montly release frequency. Rcpp has become the most popular way of enhancing GNU R with C or C++ code. As of today, 1246 packages (and hence 77 more since the last release) on CRAN depend on Rcpp for making analytical code go faster and further, along with another 91 in BioConductor. This release is relatively minor compared to other releases, but follows through on the deprecattion of the old vectors for Date and Datetime (which were terrible: I was influenced by the vector design in QuantLib at the time and didn't really understand yet how a SEXP vector should work) we announced with Rcpp 0.12.8 a year ago. So now the new vectors are the default, but you can flip back if you need to with #define. Otherwise Dan rounded a corner with the improved iterators he contributed, and Kirill improved the output stream implementation suppressing a warning with newer compilers. Changes in Rcpp version 0.12.14 (2017-11-17) Changes in Rcpp API: New const iterators functions cbegin() and cend() added to MatrixRow as well (Dan Dillon in #750). The Rostream object now contains a Buffer rather than allocating one (Kirill Müller in #763). New DateVector and DatetimeVector classes are now the default fully deprecating the old classes as announced one year ago. Changes in Rcpp Package: DESCRIPTION file now list doi information per CRAN suggestion. Changes in Rcpp Documentation: Update CITATION file with doi information and PeerJ preprint. Thanks to CRANberries, you can also look at a diff to the previous release. As always, details are on the Rcpp Changelog page and the Rcpp page which also leads to the downloads page, the browseable doxygen docs and zip files of doxygen output for the standard formats. A local directory has source and documentation too. Questions, comments etc should go to the rcpp-devel mailing list off the R-Forge page. This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings. [...]

Daniel Pocock: Free software in the snow

Fri, 24 Nov 2017 08:31:36 +0000

(image)

There are an increasing number of events for free software enthusiasts to meet in an alpine environment for hacking and fun.

In Switzerland, Swiss Linux is organizing the fourth edition of the Rencontres Hivernales du Libre in the mountain resort of Saint-Cergue, a short train ride from Geneva and Lausanne, 12-14 January 2018. The call for presentations is still open.

(image)

In northern Italy, not far from Milan (Malpensa) airport, Debian is organizing a Debian Snow Camp, a winter getaway for developers and enthusiasts in a mountain environment where the scenery is as diverse as the Italian culinary options. It is hoped the event will take place 22-25 February 2018.

(image)

Norbert Preining: TeX Live Cockpit

Fri, 24 Nov 2017 07:10:12 +0000

Russ Allbery: Review: Range of Ghosts

Fri, 24 Nov 2017 03:51:00 +0000

Review: Range of Ghosts, by Elizabeth Bear Series: Eternal Sky #1 Publisher: Tor Copyright: March 2012 ISBN: 0-7653-2754-6 Format: Hardcover Pages: 334 Temur is one of many grandsons of the Great Khagan. We meet him on a bloody battlefield, in the aftermath of a fight between his cousin and his brother over the succession. His brother lost and Temur was left for dead with a vicious cut down the side of his neck, improbably surviving among the corpses and even more improbably finding a surviving horse (or being found by one). But a brief reprieve and a potential new family connection are cut brutally short when they are attacked by ghosts and his lover is pulled away into the sky. Once-Princess Samarkar was heir and then a political wife of a prince, but her marriage was cut short in bloody insult when her husband refused to consummate the marriage. Now, she's chosen a far different path: be neutered in order to become a wizard. If she survives the surgery, she gains independence from her brother, freedom from politics, and possibly (if she's lucky) magical power. Range of Ghosts is the first book of a fantasy trilogy set in what appears to be an analogue of what's now far northwest China and the central Asian steppes (although the geography doesn't exactly follow ours). There are mountainous strongholds, a large city-based civilization in the east, a civilization with onion domes and a different god in the west, and nomadic horse clans in the north. That said, there's also, as one discovers a bit later in the book, a race of huge bipedal cat people, just to be sure you don't think this is too much like our world. I had a hard time with the start of this book due to the brutality. Just in the first 70 pages or so, we get a near-fatal wound that a character has to hold closed with his hand (for pages), human sacrifice, essentially medieval invasive surgery, a graphic description of someone losing an eye, and then (I think a little later in the book) serious illness with high fever. And this is Elizabeth Bear, which means the descriptions are very well-written and vivid, which was... not what I wanted. Thankfully, the horror show does slow down by the middle of the book. The opening also didn't quite connect with me. There's a lot about war, the aftermath of war, and the death of Temur's family, but I found Temur mostly boring. The reader enters the story in at the aftermath, so none of the death and battle really touched me. Temur's steppe mythology is vaguely interesting, but only vaguely. Samarkar saved this book for me. She's pragmatic, introspective, daring, but also risk-conscious. She pays attention and learns and studies, and she takes the opportunity to learn from everyone she can. The magical system she's learning also has some nicely-described effects without being too mechanical, and I liked the interweaving of magic with science. As she started taking charge of the plot, I thought this book got better and better. Also, full points for the supposedly pampered concubine (one of Samarkar's relatives) turning out to have iron determination and considerable ability to put up with hardship when it was required. That was refreshing. More positive points to this book for allowing both men and women can choose to become neutered and become wizards. Same principle, so why not the same effect? One of the things I like about fantasy is the opportunity to explore human society with little tweaks and differences, and the ones that poke at gender roles and ask why we gender something that clearly could be gender-neutral make me happy. I wasn't as fond of the hissable villain. I think I'm getting increasingly grumbly about books in which the villain is so obviously evil as to be basically demonic. Maybe Bear will twist this around in later books, but this one opens with human sacrifice, and the villain doesn't get [...]

Sean Whitton: Using Propellor to provision your Debian development laptop

Thu, 23 Nov 2017 22:38:40 +0000

sbuild is a tool used by those maintaining packages in Debian, and derived distributions such as Ubuntu. When used correctly, it can catch a lot of categories of bugs before packages are uploaded. It does this by building the package in a clean environment, and then running the package through the Lintian, piuparts, adequate and autopkgtest tools. However, configuring sbuild so that it makes use of all of these tools is cumbersome. In response to this complexity, I wrote a module for the Propellor configuration management system to prepare a system such that a user can just go ahead and run the sbuild(1) command. This module is useful on one’s development laptop – if you need to reinstall your OS, you don’t have to look up the instructions for setting up sbuild again. But it’s also useful on throwaway build boxes. I can instruct propellor to provision a new virtual machine to build packages with sbuild, and all the different tools mentioned above will be connected together for me. I just uploaded Propellor version 5.1.0 to Debian unstable. The version overhauls the API and internals of the Sbuild module to take better advantage of Propellor’s design. I won’t get into those details in this post. What I’d like to do is demonstrate how you can set up sbuild on your own machines, using Propellor. Getting started with Propellor apt-get install propellor, and then propellor --init. As mentioned, at the time of writing you’ll need to install from Debian unstable. For this tutorial you need version 5.1.0 or greater. You’ll be offered two setups, options A and B. I suggest starting with option B. If you never use Propellor for anything other than provisioning sbuild, you can stick with option B. If this tutorial makes you want to check out more features of Propellor, you might consider switching to option A and importing your old configuration. Open ~/.propellor/config.hs. You will see something like this: -- The hosts propellor knows about. hosts :: [Host] hosts = [ mybox ] -- An example host. mybox :: Host mybox = host "mybox.example.com" $props & osDebian Unstable X86_64 & Apt.stdSourcesList & Apt.unattendedUpgrades & Apt.installed ["etckeeper"] & Apt.installed ["ssh"] & User.hasSomePassword (User "root") & File.dirExists "/var/www" & Cron.runPropellor (Cron.Times "30 * * * *") You’ll want to customise this so that it reflects your computer. My laptop is called iris, so I might replace the above with this: -- The hosts propellor knows about. hosts :: [Host] hosts = [ iris ] -- My laptop. iris :: Host iris = host "iris.silentflame.com"$ props & osDebian Testing X86_64 The list of lines beginning with & are the properties of the host iris. Here, I’ve removed all properties except the osDebian property, which informs propellor that iris runs Debian testing and has the amd64 architecture. The effect of this is that Propellor will not try to change anything about iris. In this tutorial, we are not going to let Propellor configure anything about iris other than setting up sbuild. (The osDebian property is a pure info property, which means that it tells Propellor information about the host to which other properties might refer, but it doesn’t itself change anything about iris.) Telling Propellor to configure sbuild First, add to the import lines at the top of config.hs the lines: import qualified Propellor.Property.Sbuild as Sbuild import qualified Propellor.Property.Schroot as Schroot to enable use of the Sbuild module. Here is the full config for iris, which I’ll go through line-by-line: -- The hosts propellor knows about. hosts :: [Host] hosts = [ iris ] -- My laptop. iris :: Host iris = host "iris.silentflame.com" $props & osDebian Testing X86_64 & Apt.useLocalCach[...] Russ Allbery: Holiday haul Thu, 23 Nov 2017 20:24:00 +0000 Catching up on accumulated book purchases. I'm going to get another burst of reading time over the holidays (and am really looking forward to it). Alfred Bester — The Stars My Destination (sff) James Blish — A Case of Conscience (sff) Leigh Brackett — The Long Tomorrow (sff) Algis Budrys — Who? (sff) Frances Hardinge — Fly By Night (sff) Robert A. Heinlein — Double Star (sff) N.K. Jemisin — The Obelisk Gate (sff) N.K. Jemisin — The Stone Sky (sff) T. Kingfisher — Clockwork Boys (sff) Ursula K. Le Guin — City of Illusions (sff) Ursula K. Le Guin — The Complete Orsinia (historical) Ursula K. Le Guin — The Dispossessed (sff) Ursula K. Le Guin — Five Ways to Forgiveness (sff) Ursula K. Le Guin — The Left Hand of Darkness (sff) Ursula K. Le Guin — Planet of Exile (sff) Ursula K. Le Guin — Rocannon's World (sff) Ursula K. Le Guin — The Telling (sff) Ursula K. Le Guin — The World for Word Is Forest (sff) Fritz Leiber — The Big Time (sff) Melina Marchetta — Saving Francesca (mainstream) Richard Matheson — The Shrinking Man (sff) Foz Meadows — An Accident of Stars (sff) Dexter Palmer — Version Control (sff) Frederick Pohl & C.M. Kornbluth — The Space Merchants (sff) Adam Rex — True Meaning of Smekday (sff) John Scalzi — The Dispatcher (sff) Julia Spencer-Fleming — In the Bleak Midwinter (mystery) R.E. Stearns — Barbary Station (sff) Theodore Sturgeon — More Than Human (sff) I'm listing the individual components except for the Orsinia collection, but the Le Guin are from the Library of America Hainish Novels & Stories two-volume set. I had several of these already, but I have a hard time resisting a high-quality Library of America collection for an author I really like. Now I can donate a bunch of old paperbacks. Similarly, a whole bunch of the older SF novels are from the Library of America American Science Fiction two-volume set, which I finally bought since I was ordering Library of America sets anyway. The rest is a pretty random collection of stuff, although several of them are recommendations from Light. I was reading through her old reviews and getting inspired to read (and review) more. Jonathan Dowland: Concreate and Red Hat JBoss OpenShift image sources Thu, 23 Nov 2017 10:48:44 +0000 (image) Last year I wrote about some tools for working with Docker images. Since then, we've deprecated the dogen tool for our own images and have built a successor called Concreate. Concreate takes a container image definition described in a YAML document and generates an output image. To do so, it generates an intermediate Dockerfile, along with the scripts and artefacts you references in the YAML file, and by default invokes docker build on the result. However, it can use other builders, such as the OpenShift Build Service, which is what we use for our production images. Concreate can also manage running tests against the image. As with the Container Testing Framework that I mentioned last time, these tests are defined using the Behave system. In related news is that we have published the sources for all of our images. You can now go and read the image.yaml file for EAP 7 on OpenShift to give you an example of what a real image using Concreate looks like. Louis-Philippe Véronneau: DebConf Videoteam sprint report - day 4 Thu, 23 Nov 2017 05:00:00 +0000 Day 4 of the videoteam sprint! ## Pictures of Our Lives "Countless" people wrote to me asking for more pictures of our marvelous sprint, especially of our feline friend. How could I resist? (image) (image) (image) Now that we've got this covered, here's what we did today. ## Report ### tumbleweed Stefano had to do some office work today and had very little time to hack on the videoteam stuff. He did get access to the pentabarf XML of DebConf 7 to 13. This should help a great lot generating the video metadata for our archive. He also played around with YouTube a little. It seems we already got our first copyright strike! Gotta love remixes of The Lion King hidden in DebConf videos. ### ivodd Ivo left us to work with the Debian Release Team today. Sad! ### RattusRattus Andy and Kyle got together today and worked on making a list of the audio hardware we should buy to replace our old kit. He also finished the video loop we are going to use at the mini-conf. ### paddatrapper Kyle has some time today and gave Andy a call to work on our audio gear wishlist. He also worked on designing a flight case for it. We will eventually submit a budget request to buy said kit. ### olasd Nicolas mainly worked on refactoring the ansible module that generates the TLS certificates for our streaming network. ### pollo Our ansible roles are now all documented! I'm happy this is all done. Next, I'll try to remove some of the ugly hacks in our ansible repository. We finished the day by going to the Polish Club. Here's a picture of the team! (image) Daniel Pocock: VR Hackathon at FIXME, Lausanne (1-3 December 2017) Wed, 22 Nov 2017 19:25:14 +0000 (image) Competitors and visitors are welcome, please register here. Some of the free software technologies in use include Blender and Mozilla VR. (image) Louis-Philippe Véronneau: DebConf Videoteam sprint report - day 3 Wed, 22 Nov 2017 05:00:00 +0000 Erf, I'm tired and it is late so this report will be short and won't include dank memes or funny cat pictures. Come back tomorrow for that. ### tumbleweed Stefano worked all day long on the metadata project and on YouTube uploads. I think the DebConf7 videos have just finished being uploaded, check them out! ### RattusRattus Apart from the wonderful lasagna he baked for us, Andy continued working on the scraping scheme, helping tumbleweed. ### nattie Nattie has been with us for a few days now, but today she did some great QA work on our metadata scraping of the video archive. ### ivodd More tests, more bugs! Ivo worked quite a bit on the Opsis board today and it seems everything is ready for the mini-conf. \0/ ### olasd Nicolas built the streaming network today and wrote some Ansible roles to manage TLS cert creation through Let's Encrypt. He also talked with DSA some more about our long term requirements. ### wouter I forgot to mention it yesterday because he could not come to Cambridge, but Wouter has been sprinting remotely, working on the reviewing system. Everything with regards to reviewing should be in place for the mini-conf. He also generated the intro and outro slides for the videos for us. ### KiBi and Julien KiBi and Julien arrived late in the evening, but were nonetheless of great assistance. Neither are technically part of the videoteam, but their respective experience with Debian-Installer and general DSA systems helped us a great deal. ### pollo I'm about 3/4 done documenting our ansible roles. Once I'm done, I'll try to polish some obvious hacks I've seen while documenting. Norbert Preining: Kobo firmware 4.6.10075 mega update (KSM, nickel patch, ssh, fonts) Wed, 22 Nov 2017 01:18:18 +0000 (image) A new firmware for the Kobo ebook reader came out and I adjusted the mega update pack to use it. According to the comments in the firmware thread it is working faster than previous releases. The most incredible change though is the update from wpa_supplicant 0.7.1 (around 2010) to 2.7-devel (current). Wow. (image) For details and warning please consult the previous post. ### Download ### Mark6 – Kobo GloHD firmware: Kobo 4.6.9995 for GloHD Mega update: Kobo-4.6.10075-combined/Mark6/KoboRoot.tgz ### Mark5 – Aura firmware: Kobo 4.6.9995 for Aura Mega update: Kobo-4.6.10075-combined/Mark5/KoboRoot.tgz ### Mark4 – Kobo Glo, Aura HD firmware: Kobo 4.6.9995 for Glo and AuraHD Mega update: Kobo-4.6.10075-combined/Mark4/KoboRoot.tgz Enjoy. Louis-Philippe Véronneau: DebConf Videoteam sprint report - day 2 Tue, 21 Nov 2017 05:00:00 +0000 Another day, another videoteam report! It feels like we did a lot of work today, so let's jump right in: ### tumbleweed Stefano worked most of the day on the DebConf video archive metadata project. A bunch of videos already have been uploaded to YouTube. Here's some gold you might want to watch. By the end of our sprint, we should have generated metadata for most of our archive and uploaded a bunch of videos to YouTube. Don't worry though, YouTube is only a mirror and we'll keep our current archive as a video master. ### RattusRattus Andy joined us today! He hacked away with Stefano for most of the day, working on the metadata format for our videos and making schemes for our scraping tools. ### ivodd Ivo built and tested a good part of our video setup today, fixing bugs left and right in Ansible. We are prepared for the Cambridge Mini-DebConf! ### olasd Nicolas finished his scripts to automatically spool up and down our streaming mirrors via the DigitalOcean API today and ran our Ansible config against those machines to test our setup. ### pollo For my part, I completed a huge chunk of my sprint goals: we now have a website documenting our setup! It is currently hosted on Alioth pages, but olasd plans to make a request to DSA to have it hosted on the static.debian.org machine. The final URL will most likely be something like: https://video.debconf.org The documentation is still missing the streaming section (our streaming setup is not final yet, so not point in documenting that) and a section hosting guides for the volunteers. With some luck I might write those later this week. I've now moved on documentation our various Ansible roles. Oh, and we also ate some cheese fondue: (image) Jonathan Carter: New powerline goodies in Debian Mon, 20 Nov 2017 19:22:58 +0000 (image) ### About powerline Powerline does some font substitutions that allow additional theming for terminal applications such as tmux, vim, zsh, bash and more. The powerline font has been packaged in Debian for a while now, and I’ve packaged two powerline themes for vim and zsh. They’re currently only in testing, but once my current todo list on packages look better, I’ll upload them to stretch-backports. #### For vim, vim-airline vim-airline is different from previous vim powerline plugins in that it doesn’t depend om perl or python, it’s purely implemented in vim config files. Demo Here’s a gif from the upstream site, they also demo various themes on there that you can get in Debian by installing the vim-airlines-themes package. (image) How to enable Install the vim-airline package, and add the following to your .vimrc file: " Vim Airline theme let g:airline_theme='powerlineish' let g:airline_powerline_fonts = 1 let laststatus=2 The vim-airline-themes package contains additional themes that can be defined in the snippet above. #### For zsh, powerlevel9k Demo Here’s a gif from upstream that walks through some of its features. You can configure it to display all kinds of system metrics and also information about VCS status in your current directory. (image) Powerlevel9k has lots of options and features. If you’re interested in it, you should probably take a look at their readme file on GitHub for all the details. How to enable Install the zsh-theme-powerlevel9k package and add the following to your to your .zshrc file. source /usr/share/powerlevel9k/powerlevel9k.zsh-theme Reproducible builds folks: Reproducible Builds: Weekly report #133 Mon, 20 Nov 2017 15:52:35 +0000 Here's what happened in the Reproducible Builds effort between Sunday November 5 and Saturday November 11 2017: Upcoming events On November 17th Chris Lamb will present at Open Compliance Summit, Yokohama, Japan on how reproducible builds ensures the long-term sustainability of technology infrastructure. We plan to hold an assembly at 34C3 - hope to see you there! LEDE CI tests Thanks to the work of lynxis, Mattia and h01ger, we're now testing all LEDE packages in our setup. This is our first result for the ar71xx target: "502 (100.0%) out of 502 built images and 4932 (94.8%) out of 5200 built packages were reproducible in our test setup." - see below for details how this was achieved. Bootstrapping and Diverse Double Compilation As a follow-up of a discussion on bootstrapping compilers we had on the Berlin summit, Bernhard and Ximin worked on a Proof of Concept for Diverse Double Compilation of tinycc (aka tcc). Ximin Luo did a successful diverse-double compilation of tinycc git HEAD using gcc-7.2.0, clang-4.0.1, icc-18.0.0 and pgcc-17.10-0 (pgcc needs to triple-compile it). More variations are planned for the future, with the eventual aim to reproduce the same binaries cross-distro, and extend it to test GCC itself. Packages reviewed and fixed, and bugs filed Patches filed upstream: Bernhard M. Wiedemann: clang - ASLR affects objective-C binaries. Chris Lamb: nbsphinx (merged) - Random UUIDs used as element selectors. stardicter (merged) - SOURCE_DATE_EPOCH support. stetl - Build path in documentation. Patches filed in Debian: Bernhard M. Wiedemann: #881231 filed against chasen - Uninitialized memory from struct padding written into data files. Adrian Bunk: #881453 filed against primesieve - FTBFS. Chris Lamb: #881089 filed against stardicter - (merged) SOURCE_DATE_EPOCH. #881094 filed against nbsphinx - random UUIDs. #881157 filed against designate - build path. #881217 filed against python-stetl - build path. #881258 filed against sphinx-intl - drop date. #881259 filed against soundmodem - build path. #881262 filed against node-module-deps - build path. #881474 filed against phatch - random memory address. Daniel Kahn Gillmor: #881152 filed against npth - build path. Patches filed in OpenSUSE: Bernhard M. Wiedemann: i4l-base (merged) - Uninitialized memory written to output. Reviews of unreproducible packages 73 package reviews have been added, 88 have been updated and 40 have been removed in this week, adding to our knowledge about identified issues. 4 issue types have been updated: Add randomness_in_files_generated_by_pinyin_gen_binary_files. Add build_path_captured_in_assembly_objects. Add timestamps_in_ifo_files_generated_by_python_stardicter. Update timestamps_in_source_generated_by_rcc. Weekly QA work During our reproducibility testing, FTBFS bugs have been detected and reported by: Adrian Bunk (69) Andreas Beckmann (3) Dmitry Shachnev (1) Graham Inggs (1) diffoscope development Mattia Rizzolo uploaded version 88~bpo9+1 to stretch-backports. reprotest development Ximin Luo: build: add comment that util-linux confirmed bug in nsenter, awaiting fix. Make --print-sudoers work for --env-build as well. reproducible-website development Holger Levsen: rws3: add OTF as sponsor rws3: add F-Droid, riot-os.org Chris Lamb: Move the "contribute" page from the Debian wiki to /contribute/ on our main website. Eitan Adler: Fix typo in FreeBSD mailing list. theunreproduciblepackage development Bernhard M. Wiedemann: aslr: document per-process workaround aslr: add examples tests.reproducible-builds.org in detail Mattia Rizzolo: reproducible archlinux: enable debugging mode [...] NOKUBI Takatsugu: Debian seminar in Yokohama, 2017/11/18 Mon, 20 Nov 2017 09:01:37 +0000 I had attended to Tokyo area debian seminar #157. The day’s special guest is Chris Lamb, the Debian Project Leader in 2017. He had attended to Open Compliance Summit, so we invited him as our guest. The following pdf file is the day’s presentation: And Hideki Yamane(henrich) talked about a new idea of Debian distribution ‘fresh’, pull-based rolling release. The details would be published by him in a few days. There were some discussion, and we need to introduce more information aboud Japanese Debian/FLOSS scene, so now I am writing this article. Anything else, I ccould get good time with debian developers and community. Our community, especially in Japan, requires more new commers, young people. Louis-Philippe Véronneau: DebConf Videoteam sprint report - day 1 Mon, 20 Nov 2017 05:00:00 +0000 Another videoteam report! We've now been hacking for a full day and we are slowly starting to be productive. It's always hard to get back in a project when you haven't touched it in a while... Anyway, let's start this report with some important announcement: we finally have been able to snap a good picture of the airbnb's cat! (image) No more nagging me about the placeholder image from Wikipedia I used in yesterday's report! ## Set up (image) Here's what the team did today: ### tumbleweed Stefano started the day by hacking away on our video archive. We eventually want to upload all our videos to YouTube to give them exposure, but sadly our archive metadata is in a pretty poor shape. With the script tumbleweed wrote, we can scrape the archive for matches against the old DebConf's pentabarf XML we have. tumbleweed also helped Ivo with the ansible PXE setup he's working on. Some recent contributions from a collaborator implemented new features (like a nice menu to choose from) but also came with a few annoying bugs. ### ivodd Ivo continued working on the PXE setup today. He also tried to break our ansible setup by using fresh installs with different user cases (locales, interfaces, etc.), with some success. The reason he and Stefano are working so hard on the PXE boot is that we had a discussion about the future of our USB install method. The general consensus on this was although we would not remove it, we would not actively maintain it anymore. PXE is less trouble for multiple machines. For single machines or if you don't control the DHCP server, using ansible manually on a fresh Debian install will be the recommended way. ### olasd After a very long drive, olasd arrived late in the evening with all our gear. Hurray! We were thus able to set up some test boxes and start wiring the airbnb properly. Tomorrow will certainly be more productive with all this stuff at our disposition. ### pollo Today I mainly worked on setting up our documentation website. After some debate, we decided that sphinx was the right tool for the job. I am a few pages in and if I work well I think we'll have something to show for at the end of the sprint! I also was thrown back into ansible after witnessing a bug in the locale management. I'm still rusty, but it's slowly coming back to me. Let's end this blog post with a picture of the neon pineapple that sits on the wall of the solarium. (image) Dirk Eddelbuettel: RcppEigen 0.3.3.3.1 Mon, 20 Nov 2017 00:23:00 +0000 (image) A maintenance release 0.3.3.3.1 of RcppEigen is now on CRAN (and will get to Debian soon). It brings Eigen 3.3.* to R. The impetus was a request from CRAN to change the call to Rcpp::Rcpp.plugin.maker() to only use :: as the function has in fact been exported and accessible for a pretty long time. So now the usage pattern catches up. Otherwise, Haiku-OS is now supported and a minor Travis tweak was made. The complete NEWS file entry follows. #### Changes in RcppEigen version 0.3.3.3.1 (2017-11-19) • Compilation under Haiku-OS is now supported (Yu Gong in #45). • The Rcpp.plugin.maker helper function is called via :: as it is in fact exported (yet we had old code using :::). • A spurious argument was removed from an example call. • Travis CI now uses https to fetch the test runner script. Courtesy of CRANberries, there is also a diffstat report for the most recent release. This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings. Dirk Eddelbuettel: RcppClassic 0.9.9 Mon, 20 Nov 2017 00:22:00 +0000 (image) A maintenance release RcppClassic 0.9.9 is now at CRAN. This package provides a maintained version of the otherwise deprecated first Rcpp API; no new projects should use it. Per a request from CRAN, we changed the call to Rcpp::Rcpp.plugin.maker() to only use :: as the function has in fact been exported and accessible for a pretty long time. So now the usage pattern catches up. Courtesy of CRANberries, there are changes relative to the previous release. Questions, comments etc should go to the rcpp-devel mailing list off the R-Forge page. This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings. Colin Watson: Kitten Block equivalent for Firefox 57 Mon, 20 Nov 2017 00:00:00 +0000 (image) I’ve been using Kitten Block for years, since I don’t really need the blood pressure spike caused by accidentally following links to certain UK newspapers. Unfortunately it hasn’t been ported to Firefox 57. I tried emailing the author a couple of months ago, but my email bounced. However, if your primary goal is just to block the websites in question rather than seeing kitten pictures as such (let’s face it, the internet is not short of alternative sources of kitten pictures), then it’s easy to do with uBlock Origin. After installing the extension if necessary, go to Tools → Add-ons → Extensions → uBlock Origin → Preferences → My filters, and add www.dailymail.co.uk and www.express.co.uk, each on its own line. (Of course you can easily add more if you like.) Voilà: instant tranquility. Incidentally, this also works fine on Android. The fact that it was easy to install a good ad blocker without having to mess about with a rooted device or strange proxy settings was the main reason I switched to Firefox on my phone. Joey Hess: custom ARM disk image generation with propellor Sun, 19 Nov 2017 19:51:22 +0000 (image) Following up on propelling disk images, Propellor can now build custom ARM disk images for a variety of different ARM boards. The disk image build can run on a powerful laptop or server, so it's super fast and easy compared with manually installing Debian on an ARM board. Here's a simple propellor config for a Olimex LIME board, with ssh access and a root password: lime :: Host lime = host "lime.example.com"$ props
& osDebian Unstable ARMHF
& Machine.olimex_A10_OLinuXino_LIME
& hasPartition (partition EXT4 mountedAt "/" setSize MegaBytes 8192)
& Ssh.installed


To make a disk image for that board, I only have to add this property to my laptop:

& imageBuiltFor lime
(RawDiskImage "/srv/lime.img")
(Debootstrapped mempty)


Propellor knows what kernel to install and how to make the image bootable for a bunch of ARM boards, including the Olimex LIME, the SheevaPlug, Banana Pi, and CubieTruck.

To build the disk image targeting ARM, propellor uses qemu. So it's helpful that, after the first build, propellor incrementally updates disk images, quite quickly and efficiently.

Once the board has the image installed, you can run propellor on it to further maintain it, and if there's a hardware problem, you can quickly replace it with an updated image.

 (image)

It's fairly simple to teach propellor about other ARM boards, so it should be quite easy to keep propellor knowing about all ARM boards supported by Debian (and other distros). Here's how I taught it about the Olimex LIME:

olimex_A10_OLinuXino_LIME :: Property (HasInfo + DebianLike)
olimex_A10_OLinuXino_LIME = FlashKernel.installed "Olimex A10-OLinuXino-LIME"
requires sunixi "A10-OLinuXino-Lime"
requires armmp


My home server is a CubieTruck which serves as a wireless access point, solar panel data collector, and git-annex autobuilder. It's deployed from a disk image built by propellor, using this config. I've been involved with building disk image for ARM boards for a long time -- it was part of my job for five years -- and this is the first time I've been entirely happy with the process.

Louis-Philippe Véronneau: DebConf Videoteam sprint report - day 0

Sun, 19 Nov 2017 05:00:00 +0000

First day of the videoteam autumn sprint! Well, I say first day, but in reality it's more day 0. Even though most of us have arrived in Cambridge already, we are still missing a few people. Last year we decided to sprint in Paris because most of our video gear is stocked there. This year, we instead chose to sprint a few days before the Cambridge Mini-Debconf to help record the conference afterwards. Since some of us arrived very late and the ones who did arrive early are still mostly jet lagged (that includes me), I'll use this post to introduce the space we'll be working from this week and our general plan for the sprint. House Party After some deliberations, we decided to rent a house for a week in Cambridge: finding a work space to accommodate us and all our gear proved difficult and we decided mixing accommodation and work would be a good idea. I've only been here for a few hours, but I have to say I'm pretty impressed by the airbnb we got. Last time I checked (it seems every time I do, some new room magically appears), I counted 5 bedrooms, 6 beds, 5 toilets and 3 shower rooms. Heck, there's even a solarium and a training room with weights and a punching bag on the first floor. Having a whole house to ourselves also means we have access to a functional kitchen. I'd really like to cook at least a few meals during the week. There's also a cat! It's not the house's cat per say, but it's been hanging out around the house for most of the day and makes cute faces trying to convince us to let it come inside. Nice try cat. Nice try. Here are some glamour professional photos of what the place looks like on a perfect summer day, just for the kick of it: Of course, reality has trouble matching all the post-processing filters. Plan for the week Now on a more serious note; apart from enjoying the beautiful city of Cambridge, here's what the team plans to do this week: tumbleweed Stefano wants to continue refactoring our ansible setup. A lot of things have been added in the last year, but some of it are hacks we should remove and implement correctly. highvoltage Jonathan won't be able to come to Cambridge, but plans to work remotely, mainly on our desktop/xfce session implementation. Another pile of hacks waiting to be cleaned! ivodd Ivo has been working a lot of the pre-ansible part of our installation and plans to continue working on that. At the moment, creating an installation USB key is pretty complicated and he wants to make that simpler. olasd Nicolas completely reimplemented our streaming setup for DC17 and wants to continue working on that. More specifically, he wants to write scripts to automatically setup and teardown - via API calls - the distributed streaming network we now use. Finding a way to push TLS certificates to those mirrors, adding a live stream viewer on video.debconf.org and adding a viewer to our archive are also things he wants to look at. pollo For my part, I plan to catch up with all the commits in our ansible repository I missed since last year's sprint and work on documentation. It would be very nice if we could have a static website describing our work so that others (at mini-debconfs for examples) could replicate it easily. If I have time, I'll also try to document all the ansible roles we have written. Stay tuned for more daily reports! [...]

Matthieu Caneill: MiniDebconf in Toulouse

Sat, 18 Nov 2017 23:00:00 +0000

I attended the MiniDebconf in Toulouse, which was hosted in the larger Capitole du Libre, a free software event with talks, presentation of associations, and a keysigning party. I didn't expect the event to be that big, and I was very impressed by its organization. Cheers to all the volunteers, it has been an amazing week-end! Here's a sum-up of the talks I attended. Du logiciel libre à la monnaie libre Speaker: Éloïs The first talk I attended was, translated to English, "from free software to free money". Éloïs compared the 4 freedoms of free software with money, and what properties money needs to exhibit in order to be considered free. He then introduced Ğ1, a project of free (as in free speech!) money, started in the region around Toulouse. Contrary to some distributed ledgers such as Bitcoin, Ğ1 isn't based on an hash-based proof-of-work, but rather around a web of trust of people certifying each other, hence limiting the energy consumption required by the network to function. YunoHost Speaker: Jimmy Monin I then attended a presentation of YunoHost. Being an happy user myself, it was very nice to discover the future expected features, and also meet two of the developers. YunoHost is a Debian-based project, aimed at providing all the tools necessary to self-host applications, including email, website, calendar, development tools, and dozens of other packages. Premiers pas dans l'univers de Debian Speaker: Nicolas Dandrimont For the first talk of the MiniDebConf, Nicolas Dandrimont introduced Debian, its philosophy, and how it works with regards to upstreams and downstreams. He gave many details on the teams, the infrastructure, and the internals of Debian. Trusting your computer and system Speaker: Jonas Smedegaard Jonas introduced some security concepts, and how they are abused and often meaningless (to quote his own words, "secure is bullshit"). He described a few projects which lean towards a more secure and open hardware, for both phones and laptops. Automatiser la gestion de configuration de Debian avec Ansible Speaker: Jérémy Lecour Jérémy, from Evolix, introduced Ansible, and how they use it to manage hundreds of Debian servers. Ansible is a very powerful tool, and a huge ecosystem, in many ways similar to Puppet or Chef, except it is agent-less, using only ssh connections to communicate with remote machines. Very nice to compare their use of Ansible with mine, since that's the software I use at work for deploying experiments. Making Debian for everybody Speaker: Samuel Thibault Samuel gave a talk about accessibility, and the general availability of the tools in today's operating systems, including Debian. The lesson to take home is that we often don't do enough in this domain, particularly when considering some issues people might have that we don't always think about. Accessibility on computers (and elsewhere) should be the default, and never require complex setups. Retour d'expérience : mise à jour de milliers de terminaux Debian Speaker: Cyril Brulebois Cyril described a problem he was hired for, an update of thousands of Debian servers from wheezy to jessie, which he discovered afterwards was worse than initially thought, since the machines were running the out-of-date squeeze. Since they were not always administered with the best sysadmin practices, they were all exhibiting different configurations and different packages lists, which raised many issues and gave him interesting challenges. They were solved[...]

Russ Allbery: Free software log (October 2017)

Sat, 18 Nov 2017 22:08:00 +0000

I've not been taking the time to write these promptly in part because I've not found the time to do much free software work. Thankfully, November will at least contain some work-sponsored work (on a package that isn't widely used yet, but maybe we can make it appealing enough).

Anyway, that's for next month. For October, the only thing I have to report is refreshing the signing key for my personal Debian repository (generating a new key for the new release) and finally updating the distributions to move stretch to stable, jessie to oldstable, and create the new testing distribution (buster). If for some strange reason you're using my personal repositories (there probably isn't much reason just at the moment), be sure to upgrade eyrie-keyring, since I'm going to switch signing over to the new key shortly.

Petter Reinholdtsen: Legal to share more than 3000 movies listed on IMDB?

Sat, 18 Nov 2017 20:20:00 +0000

Joey Hess: stupid long route

Sat, 18 Nov 2017 15:22:48 +0000

(image)

There's an old net story from the 80's, which I can't find right now, but is about two computers, 10 feet apart, having a ridiculously long network route between them, packets traveling into other states or countries and back, when they could have flowed over a short cable.

Ever since I read that, I've been collecting my own ridiculously long routes. ssh bouncing from country to country, making letters I type travel all the way around the world until they echo back on my screen. Tasting the latency that's one of the only ways we can viscerally understand just how big a tangle of wires humanity has built.

Yesterday, I surpassed all that, and I did it in a way that hearkens right back to the original story. I had two computers, 20 feet apart, I wanted one to talk to the other, and the route between the two ended up traveling not around the Earth, but almost the distance to the Moon.

I was rebuilding my home's access point, and ran into a annoying bug that prevented it from listening to wifi. I knew it was still connected over ethernet to the satellite receiver.

I connected my laptop to the satellite receiver over wifi. But, I didn't know the IP address to reach the access point. Then I remembered I had set it up so incoming ssh to the satellite receiver was directed to the access point.

So, I sshed to a computer in New Jersey. And from there I sshed to my access point. And the latency was amazing. Because, every time I pressed a key:

• It was sent to a satellite in geosynchrous orbit, 22250 miles high.
(image)
• Which beamed it back to a ground station in Texas, another 22250 miles.
• Which routed it over cable to New Jersey to my server there.
• Which bounced it back to a Texas-size dish, which zapped it back to orbit, another 22250 miles.
(image)
• And the satellite transmitted it back in the general direction of my house, another 22250 miles.
(image)
• So my keystroke finally reached the access point. But then it had to show me it had received it. So that whole process happened again in reverse, adding another 89000 miles travel total.
• And finally, after 178000 and change miles of data transfer, the letter I'd typed a full second ago appeared on my screen.

Not bad for a lazy solution to a problem that could have been solved by walking across the room, eh?

Jonathan Carter: I am now a Debian Developer

Fri, 17 Nov 2017 17:48:33 +0000

It finally happened On the 6th of April 2017, I finally took the plunge and applied for Debian Developer status. On 1 August, during DebConf in Montréal, my application was approved. If you’re paying attention to the dates you might notice that that was nearly 4 months ago already. I was trying to write a story about how it came to be, but it ended up long. Really long (current draft is around 20 times longer than this entire post). So I decided I’d rather do a proper bio page one day and just do a super short version for now so that someone might end up actually reading it. How it started In 1999… no wait, I can’t start there, as much as I want to, this is a short post, so… In 2003, I started doing some contract work for the Shuttleworth Foundation. I was interested in collaborating with them on tuXlabs, a project to get Linux computers into schools. For the few months before that, I was mostly using SuSE Linux. The open source team at the Shuttleworth Foundation all used Debian though, which seemed like a bizarre choice to me since everything in Debian was really old and its “boot-floppies” installer program kept crashing on my very vanilla computers.  SLUG (Schools Linux Users Group) group photo. SLUG was founded to support the tuXlab schools that ran Linux. My contract work then later turned into a full-time job there. This was a big deal for me, because I didn’t want to support Windows ever again, and I didn’t ever think that it would even be possible for me to get a job where I could work on free software full time. Since everyone in my team used Debian, I thought that I should probably give it another try. I did, and I hated it. One morning I went to talk to my manager, Thomas Black, and told him that I just don’t get it and I need some help. Thomas was a big mentor to me during this phase. He told me that I should try upgrading to testing, which I did, and somehow I ended up on unstable, and I loved it. Before that I used to subscribe to a website called “freshmeat” that listed new releases of upstream software and then, I would download and compile it myself so that I always had the newest versions of everything. Debian unstable made that whole process obsolete, and I became a huge fan of it. Early on I also hit a problem where two packages tried to install the same file, and I was delighted to find how easily I could find package state and maintainer scripts and fix them to get my system going again. Thomas told me that anyone could become a Debian Developer and maintain packages in Debian and that I should check it out and joked that maybe I could eventually snap up “highvoltage@debian.org”. I just laughed because back then you might as well have told me that I could run for president of the United States, it really felt like something rather far-fetched and unobtainable at that point, but the seed was planted :) Ubuntu and beyond Ubuntu 4.10 default desktop – Image from distrowatch One day, Thomas told me that Mark is planning to provide official support for Debian unstable. The details were sparse, but this was still exciting news. A few months later Thomas gave me a CD with just “warty” written on it and said that I should install it on a server so that we can try it out. It was great, it used the new debian-installer and installed fine everywhere I tried it, and the software was nice and fresh. La[...]

Raphaël Hertzog: Freexian’s report about Debian Long Term Support, October 2017

Fri, 17 Nov 2017 14:31:01 +0000

Craig Small: Short Delay with WordPress 4.9

Fri, 17 Nov 2017 11:03:02 +0000

You may have heard WordPress 4.9 is out. While this seems a good improvement over 4.8, it has a new editor that uses codemirror.  So what’s the problem? Well, inside codemirror is jshint and this has that idiotic no evil license. I think this was added in by WordPress, not codemirror itself.

So basically WordPress 4.9 has a file, or actually a tiny part of a file that is non-free.  I’ll now have to delay the update of WordPress to hack that piece out, which probably means removing the javascript linter. Not ideal but that’s the way things go.

Michal Čihař: Running Bitcoin node and ElectrumX server

Fri, 17 Nov 2017 11:00:20 +0000

Norbert Preining: ScalaFX: Problems with Tables abound

Fri, 17 Nov 2017 06:27:53 +0000

Doing a lot with all kinds of tables in ScalaFX, I stumbled upon a bug in ScalaFX that, with the help of the bug report, I was able to circumvent. It is a subtle bug where types are mixed between scalafx.SOMETHING and the corresponding javafx.SOMETHING. In one of the answers it is stated that: The issue is with implicit conversion from TableColumn not being located by Scala. I am not clear why this is happening (maybe a Scala bug). But the provided work-around at least made it work. Until today I stumbled onto a (probably) just another instance of this bug, but where the same work-around does not help. I am using TreeTableViews and try to replace the children of the root by filtering out one element. The code I use is of course very different, but here is a reduced and fully contained example, based on the original bug report and adapted to use a TreeTableView: import scalafx.Includes._ import scalafx.scene.control.TreeTableColumn._ import scalafx.scene.control.TreeItem._ import scalafx.application.JFXApp.PrimaryStage import scalafx.application.JFXApp import scalafx.scene.Scene import scalafx.scene.layout._ import scalafx.scene.control._ import scalafx.scene.control.TreeTableView import scalafx.scene.control.Button import scalafx.scene.paint.Color import scalafx.beans.property.{ObjectProperty, StringProperty} import scalafx.collections.ObservableBuffer // TableTester.scala object TableTester extends JFXApp { val characters = ObservableBuffer[Person]( new Person("Peggy", "Sue", "123", Color.Violet), new Person("Rocky", "Raccoon", "456", Color.GreenYellow), new Person("Bungalow ", "Bill", "789", Color.DarkSalmon) ) val table = new TreeTableView[Person]( new TreeItem[Person](new Person("","","",Color.Red)) { expanded = true children = characters.map(new TreeItem[Person](_)) }) { columns ++= List( new TreeTableColumn[Person, String] { text = "First Name" cellValueFactory = { _.value.value.value.firstName } prefWidth = 180 }, new TreeTableColumn[Person, String]() { text = "Last Name" cellValueFactory = { _.value.value.value.lastName } prefWidth = 180 } ) } stage = new PrimaryStage { title = "Simple Table View" scene = new Scene { content = new VBox() { children = List( new Button("Test it") { onAction = p => { val foo: ObservableBuffer[TreeItem[Person]] = table.root.value.children.map(p => { val bar: TreeItem[Person] = p p }) table.root.value.children = foo } }, table) } } } } // Person.scala class Person(firstName_ : String, lastName_ : String, phone_ : String, favoriteColor_ : Color = Color.Blue) { val firstName = new StringProperty(this, "firstName", firstName_) val lastName = new StringProperty(this, "lastName", lastName_) val phone = new StringProperty(this, "phone", phone_) val favoriteColor = new ObjectProperty(this, "favoriteColor", favoriteColor_) firstName.onChange((x, _, _) => System.out.println(x.value)) } With this code what one gets on compilation with the latest Scala and ScalaFX is: [err[...]

Renata Scheibler: Hello, world!

Fri, 17 Nov 2017 02:49:00 +0000

Michal Čihař: New projects on Hosted Weblate

Thu, 16 Nov 2017 17:00:22 +0000

(image)

Hosted Weblate provides also free hosting for free software projects. The hosting requests queue has grown too long, so it's time to process it and include new project.

This time, the newly hosted projects include:

If you want to support this effort, please donate to Weblate, especially recurring donations are welcome to make this service alive. You can do that easily on Liberapay or Bountysource.

Filed under: Debian English SUSE Weblate

Colin Watson: Kitten Block equivalent for Firefox 57

Thu, 16 Nov 2017 00:00:00 +0000

(image)

I’ve been using Kitten Block for years, since I don’t really need the blood pressure spike caused by accidentally following links to certain UK newspapers. Unfortunately it hasn’t been ported to Firefox 57. I tried emailing the author a couple of months ago, but my email bounced.

However, if your primary goal is just to block the websites in question rather than seeing kitten pictures as such (let’s face it, the internet is not short of alternative sources of kitten pictures), then it’s easy to do with uBlock Origin. After installing the extension if necessary, go to Tools → Add-ons → Extensions → uBlock Origin → Preferences → My filters, and add www.dailymail.co.uk and www.express.co.uk, each on its own line. (Of course you can easily add more if you like.) Voilà: instant tranquility.

Incidentally, this also works fine on Android. The fact that it was easy to install a good ad blocker without having to mess about with a rooted device or strange proxy settings was the main reason I switched to Firefox on my phone.

Steinar H. Gunderson: Introducing Narabu, part 6: Performance

Wed, 15 Nov 2017 22:43:00 +0000

Narabu is a new intraframe video codec. You probably want to read part 1, part 2, part 3, part 4 and part 5 first. Like I wrote in part 5, there basically isn't a big splashy ending where everything is resolved here; you're basically getting some graphs with some open questions and some interesting observations. First of all, though, I'll need to make a correction: In the last part, I wrote that encoding takes 1.2 ms for 720p luma-only on my GTX 950, which isn't correct—I remembered the wrong number. The right number is 2.3 ms, which I guess explains even more why I don't think it's acceptable at the current stage. (I'm also pretty sure it's possible to rearchitect the encoder so that it's much better, but I am moving on to other video-related things for the time being.) I encoded a picture straight off my DSLR (luma-only) at various resolutions, keeping the aspect. Then I decoded it a bunch of times on my GTX 950 (low-end last-generation NVIDIA) and on my HD 4400 (ultraportable Haswell laptop) and measured the times. They're normalized for megapixels per second decoded; remember that doubling width (x axis) means quadruple the pixels. Here it is: I'm not going to comment much beyond two observations: Caches matter, even on GPU. This is the same data over and over again (so small images get an unrealistic boost), so up to a certain point, it's basically all in L1. The GTX 950 doesn't really run away from the Intel card before it's getting enough data to chew on. Bigger GPUs don't have faster cores—they're just more parallel. Encoding only contains the GTX 950 because I didn't finish the work to get that single int64 divide off: This is… interesting. I have few explanations. Probably more benchmarking and profiling would be needed to make sense of any of it. In fact, it's so strange that I would suspect a bug, but it does indeed seem to create a valid bitstream that is decoded by the decoder. Do note, however, that seemingly even on the smallest resolutions, there's a 1.7 ms base cost (you can't see it on the picture, but you'd see it in an unnormalized graph). I don't have a very good explanation for this either (even though there are some costs that are dependent on the alphabet size instead of the number of pixels), but figuring it out would probably be a great start for getting the performance up. So that concludes the series, on a cliffhanger. :-) Even though it's not in a situation where you can just take it and put it into something useful, I hope it was an interesting introduction to the GPU! And in the meantime, I've released version 1.6.3 of Nageru, my live video mixer (also heavily GPU-based) with various small adjustments and bug fixes found before and during Trøndisk. And Movit is getting compute shaders for that extra speed boost, although parts of it is bending my head. Exciting times in GPU land :-) [...]

Daniel Pocock: Linking hackerspaces with OpenDHT and Ring

Wed, 15 Nov 2017 19:57:06 +0000

(image)

Francois and Nemen at the FIXME hackerspace (Lausanne) weekly meeting are experimenting with the Ring peer-to-peer softphone:

(image)

Francois is using Raspberry Pi and PiCam to develop a telepresence network for hackerspaces (the big screens in the middle of the photo).

The original version of the telepresence solution is using WebRTC. Ring's OpenDHT potentially offers more privacy and resilience.

Kees Cook: security things in Linux v4.14

Wed, 15 Nov 2017 05:23:50 +0000

Russ Allbery: Review: The Piper's Son

Wed, 15 Nov 2017 05:18:00 +0000

Tue, 14 Nov 2017 19:38:16 +0000

(image)
 (image)

I have recently released version 2.2 of Wad Compiler, a lazy functional programming language and IDE for the construction of Doom maps.

The biggest change in this version is a reworking of the preferences system (to use the Java Preferences API), the wadcli command-line interface respecting preferences and a new preferences UI dialog (adapted from Quake Injector).

There are two new example maps: A Labyrinth demonstration contributed by "Yoruk", and a Heretic map Bird Cage by yours truly. These are both now amongst the largest examples in the collection, although laby.wl was generated by a higher-level program.

For more information see the release notes and the reference, or check out the new gallery of examples or skip straight to downloads.

I have no plans to work on WadC further (but never say never, I suppose.)

Steve Kemp: Paternity-leave is half-over

Mon, 13 Nov 2017 22:00:00 +0000

(image)

I'm taking the month of November off work, so that I can exclusively take care of our child. Despite it being a difficult time, with him teething, it has been a great half-month so far.

During the course of the month I've found my interest in a lot of technological things waning, so I've killed my account(s) on a few platforms, and scaled back others - if I could exclusively do child-care for the next 20 years I'd be very happy, but sadly I don't think that is terribly realistic.

My interest in things hasn't entirely vanished though, to the extent that I found the time to replace my use of etcd with consul yesterday, and I'm trying to work out how to simplify my hosting setup. Right now I have a bunch of servers doing two kinds of web-hosting:

Hosting static-sites is trivial, whether with a virtual machine, via Amazons' S3-service, or some other static-host such as netlify.

Hosting for "dynamic stuff" is harder. These days a trend for "serverless" deployments allows you to react to events and be dynamic, but not everything can be a short-lived piece of ruby/javascript/lambda. It feels like I could setup a generic platform for launching containers, or otherwise modernising FastCGI, etc, but I'm not sure what the point would be. (I'd still be the person maintaining it, and it'd still be a hassle. I've zero interest in selling things to people, as that only means more support.)

In short I have a bunch of servers, they mostly tick over unattended, but I'm not really sure I want to keep them running for the next 10+ years. Over time our child will deserve, demand, and require more attention which means time for personal stuff is only going to diminish.

Simplify things now wouldn't be a bad thing to do, before it is too late.

Markus Koschany: My Free Software Activities in October 2017

Mon, 13 Nov 2017 19:38:54 +0000

Welcome to gambaru.de. Here is my monthly report that covers what I have been doing for Debian. If you’re interested in  Java, Games and LTS topics, this might be interesting for you. Debian Games I packaged a new upstream version of springlobby. There is even a more recent one now but I discovered that it would fail to build from source. I reported the issue and now I am waiting for another release. These packages were also updated: bullet, tuxfootball (#876481), berusky (#877979), spring, hitori and trackballs. I released a new version of cube2-data, a DFSG-free version of the Sauerbraten game. This release was largely made possible thanks to the work of Nyav. I prepared two stable point releases of berusky and simutrans to fix #877979 and # 869029 for users of Debian’s stable distributions too. The bug in Berusky is already resolved but I’m still waiting for the confirmation to upload simutrans (#878668). I updated wing and biniax2. Here I discovered that biniax2 would segfault immediately at startup after recompilation. I tracked down the issue to some C code that caused undefined behavior, prepared a patch and released a fixed revision. I sponsored a new upstream version of mupen64plus-qt. Debian Java This month I started to work on fixing Java9 bugs since Java 9 shall become the new default JDK/JRE for Buster. The bug reports were filed by Chris West who did the important work of identifying build failures and broken packages. I started with some low hanging fruits first and the following packages are now Java 9 ready: libgetopt-java, libjide-oss-java, activemq-protobuf, antelope, yecht, slashtime, colorpicker, f2j, libreadline-java, libjaxp1.3-java, jlapack, isorelax, libisrt-java, rxtx, uima-addons. New upstream releases this month: apktool, jboss-xnio, okio, pdfsam, libsejda-java, bcel, autocomplete, mediathekview, sweethome3d. MediathekView introduced yet another build-dependency. Let’s welcome libokhttp-java in Debian. I upgraded jackson-databind to fix CVE-2017-7525. While I was at it, I continued this work with jackson-core, jackson-annotations, jackson-dataformat-xml, jackson-jr, jackson-datatype-joda, jackson-module-jaxb-annotations, jackson-dataformat-cbor, jackson-dataformat-smile, jackson-dataformat-yaml and jackson-jaxrs-providers. I also requested the removal of jackson-datatype-guava. More resolved RC issues: commons-io (#873118), tycho (#879250) Package updates: mockobjects (converted from CDBS to DH) and jblas (RC #877225, #873212, #698176) The Maven 2 to Maven 3 transition caused (and still causes) a lot of fallout: I investigated the following packages with RC bugs. In most cases the issue was in another package, so the bugs could be closed but there were also packages like conversant-disruptor (#869002) which caused build failures unrelated to the transition. In total 15 packages were triaged or fixed: jasypt (#871195), mustache-java (#869009), libslf4j-java, apache-log4j2, conversant-disruptor, powermock(#869017), jetty9(#869021), mav[...]

Ben Hutchings: Debian LTS work, October 2017

Mon, 13 Nov 2017 16:10:28 +0000

(image)

I was assigned 15 hours of work by Freexian's Debian LTS initiative and carried over 9 hours from September. I worked 20 hours and will carry over 4 hours to the next month.

I prepared and uploaded an update to dnsmasq to fix some urgent security issues. I issued DLA-1124-1 for this update.

I prepared and released another update on the Linux 3.2 longterm stable branch (3.2.94) and I began preparing the next update, but I didn't upload an update to Debian.

François Marier: Test mail server on Ubuntu and Debian

Mon, 13 Nov 2017 11:11:10 +0000

I wanted to setup a mail service on a staging server that would send all outgoing emails to a local mailbox. This avoids sending emails out to real users when running the staging server using production data.

First, install the postfix mail server:

apt install postfix


and choose the "Local only" mail server configuration type.

Then change the following in /etc/postfix/main.cf:

default_transport = error


to:

default_transport = local:root


and restart postfix:

systemctl restart postfix.service


Once that's done, you can find all of the emails in /var/mail/root.

So you can install mutt:

apt install mutt


and then view the mailbox like this:

mutt -f /var/mail/root


Lars Wirzenius: Unit and integration testing: an analogy with cars

Sun, 12 Nov 2017 23:12:04 +0000

(image)

A unit is a part of your program you can test in isolation. You write unit tests to test all aspects of it that you care about. If all your unit tests pass, you should know that your unit works well.

Integration tests are for testing that when your various well-tested, high quality units are combined, integrated, they work together. Integration tests test the integration, not the individual units.

You could think of building a car. Your units are the ball bearings, axles, wheels, brakes, etc. Your unit tests for the ball bearings might test, for example, that they can handle a billion rotations, at various temperatures, etc. Your integration test would assume the ball bearings work, and should instead test that the ball bearings are installed in the right way so that the car, as whole, can run a kilometers, and accelerate and brake every kilometer, uses only so much fuel, produces only so much pollution, and doesn't kill passengers in case of a crash.

Sven Hoexter: Offering a Simtec Entropy Key

Sun, 12 Nov 2017 17:29:51 +0000

Since I started to lean a bit towards the concept of minimalism I've got rid of stuff, including all stationary computers. So for now I'm left with just my laptop and that's something where I do not want to attach an USB entropy key permanently. That's why I've a spare Simtec Entropy Key I no longer use, and I'm willing to sell.

In case someone is interested, I'm willing to give it away for 20EUR + shipping. If you can convince me it'll be of use for the Debian project (end up on a DSA managed machine for example) I'm willing to give it away for less. If you're located in Cologne, Copenhagen or Barcelona we might be able, depending on the timing, to do a personal handover (with or without keysigning). Otherwise I guess shipping is mainly interesting for someone also located in Europe.

You can use sven at stormbind dot net or hoexter at debian dot org to contact me and use GPG key 0xA6DC24D9DA2493D1.

Ben Armstrong: The Joy of Cat Intelligence

Sun, 12 Nov 2017 14:46:29 +0000

Russ Allbery: Review: Night Moves

Sun, 12 Nov 2017 08:05:00 +0000

Review: Night Moves, by Pat Green Publisher: Aquarius Copyright: 2014 ISBN: 0-9909741-1-1 Format: Kindle Pages: 159 In the fall of 2012, Pat Green was a preacher of a failing church, out of a job, divorced for six months, and feeling like a failure at every part of his life. He was living in a relative's house and desperately needed work and his father had been a taxi driver. So he got a job as a 6pm to 6am taxi driver in his home town of Joliet, Illinois. That job fundamentally changed his understanding of the people who live in the night, how their lives work, and what it means to try to help them. This is nonfiction: a collection of short anecdotes about life as a cab driver and the people who have gotten a ride in Green's cab. They're mostly five or six pages long, just a short story or window into someone's life. I ran across Pat Green's writing by following a sidebar link from a post on Patheos (probably from Love, Joy, Feminism, although I no longer remember). Green has an ongoing blog on Patheos about raising his transgender son (who appears in this collection as a lesbian daughter; he wasn't out yet as transgender when this was published), which is both a good sample of his writing and occasionally has excerpts from this book. Green's previous writing experience, as mentioned at several points in this collection, was newspaper columns in the local paper. It shows: these essays have the succinct, focused, and bite-sized property of a good newspaper article (or blog post). The writing is a little rough, particularly the remembered dialogue that occasionally falls into the awkward valley between dramatic, constructed fictional dialogue and realistic, in-the-moment speech. But the stories are honest and heartfelt and have the self-reflective genuineness of good preaching paired with a solid sense of narrative. Green tries to observe and report first, both the other person and his own reactions, and only then try to draw more general conclusions. This book is also very hard to read. It's not a sugar-coated view of people who live in the night of a city, nor is it constructed to produce happy endings. The people who Green primarily writes about are poor, or alone, or struggling. The story that got me to buy this book, about taking a teenage girl to a secret liaison that turned out to be secret because her liaison was another girl, is heartwarming but also one of the most optimistic stories here. A lot of people die or just disappear after being regular riders for some time. A lot of people are desperate and don't have any realistic way out. Some people, quite memorably, think they have a way out, and that way out closes on them. The subtitle of this book is "An Ex-Preacher's Journey to Hell in a Taxi" and (if y[...]

Paulo Santana: Hello world

Fri, 10 Nov 2017 21:40:07 +0000

I'm Debian Maintainer since january 2017.

Wouter Verhelst: SReview 0.1

Fri, 10 Nov 2017 12:54:29 +0000

Guido Günther: git-buildpackage 0.9.2

Fri, 10 Nov 2017 11:26:10 +0000

(image)

After some time in the experimental distribution I've uploaded git-buildpackage 0.9.0 to sid a couple of weeks ago and were now at 0.9.2 as of today. This brought in two new commands:

• gbp export-orig to regenerate tarballs based on the current version in debian/changelog. This was always possible by using gbp buildpackage and ignoring the build result e.g. gbp buildpackage --git-builder=/bin/true … but having a separate command is much more straight forward.

• gbp push to push everything related to the current version in debian/changelog: debian-tag, debian-branch, upstream-branch, upstream-tag, pristine-tar branch. This could already be achieved by a posttag hook but having it separate is again more straight forward and reduces the numer of knobs one has to tweak.

We moved to better supported tools:

• Switch to Python3 from Python2
• Switch from epydoc to pydoctor
• Finally switch from Docbook SGML to Docbook XML (we ultimately want to switch to Sphinx at one point but this will be much simpler now).

 mkdir -p ~/.config/pk4/hooks-enabled/unpack/
ln -s /usr/share/pk4/hooks-available/unpack/gbp ~/.config/pk4/hooks-enabled/unpack/


so pk4 invokes gbp import-dsc on package import.

There were lots of improvements all over the place like gbp pq now importing the patch queue on switch (if it's not already there) and gbp import-dsc and import-orig not creating pointless master branches if debian-branch != 'master'. And after being broken in the early 0.9.x cycle gbp buildpackage --git-overlay ... should be much better supported now that we have proper tests.

All in all 26 bugs fixed. Thanks to everybody who contributed bug reports and fixes.

Norbert Preining: ScalaFX: dynamic update of context menu of table rows

Fri, 10 Nov 2017 05:16:21 +0000

Thadeu Lima de Souza Cascardo: Software Freedom Strategy with Community Projects

Fri, 10 Nov 2017 01:52:45 +0000

Neil McGovern: Software Freedom Law Center and Conservancy

Wed, 08 Nov 2017 16:55:55 +0000

Dirk Eddelbuettel: R / Finance 2018 Call for Papers

Wed, 08 Nov 2017 12:50:00 +0000

Dirk Eddelbuettel: RQuantLib 0.4.4: Several smaller updates

Wed, 08 Nov 2017 11:45:00 +0000

A shiny new (mostly-but-not-completely maintenance) release of RQuantLib, now at version 0.4.4, arrived on CRAN overnight, and will get to Debian shortly. This is the first release in over a year, and it it contains (mostly) a small number of fixes throughout. It also includes the update to the new DateVector and DatetimeVector classes which become the default with the upcoming Rcpp 0.12.14 release (just like this week's RcppQuantuccia release). One piece of new code is due to François Cocquemas who added support for discrete dividends to both European and American options. See below for the complete set of changes reported in the NEWS file. As with release 0.4.3 a little over a year ago, we will not have new Windows binaries from CRAN as I apparently have insufficient powers of persuasion to get CRAN to update their QuantLib libraries. So we need a volunteer. If someone could please build a binary package for Windows from the 0.4.4 sources, I would be happy to once again host it on the GHRR drat repo. Please contact me directly if you can help. Changes are listed below: Changes in RQuantLib version 0.4.4 (2017-11-07) Changes in RQuantLib code: Equity options can now be analyzed via discrete dividends through two vectors of dividend dates and values (Francois Cocquemas in #73 fixing #72) Some package and dependency information was updated in files DESCRIPTION and NAMESPACE. The new Date(time)Vector classes introduced with Rcpp 0.12.8 are now used when available. Minor corrections were applied to BKTree, to vanilla options for the case of intraday time stamps, to the SabrSwaption documentation, and to bond utilities for the most recent QuantLib release. Courtesy of CRANberries, there is also a diffstat report for the this release. As always, more detailed information is on the RQuantLib page. Questions, comments etc should go to the rquantlib-devel mailing list off the R-Forge page. Issue tickets can be filed at the GitHub repo. This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings. [...]

Jonathan Dowland: Christmas

Wed, 08 Nov 2017 11:24:24 +0000

(image)

Every year, family members ask me to produce a list of gift suggestions for them to buy for me for Christmas. An enviable position for many, I'm sure, but combined with trying to come up with gift ideas for them, this can sometimes be a stressful situation, with a risk of either giving or receiving gifts that are really nothing more than tat, fluff or kipple. I've started to feel that this is detracting from the spirit of the season.

I also don't really want much "stuff". When I am interested in something, it's not something that is convenient for others to buy, either because it's hard to describe, or has limited availability, or is only available at particular times of the year, etc. I'd rather focus on spending time with friends and family.

Starting this year, I'm asking that people who wish to do so donate to a charity on my behalf instead. The charity I have chosen for this year is St. Oswald's Hospice.

Reproducible builds folks: Reproducible Builds: Weekly report #132

Tue, 07 Nov 2017 13:17:52 +0000

Lucas Kanashiro: My Debian LTS work on October

Tue, 07 Nov 2017 10:30:14 +0000

In this post I describe the work that I’ve done until the end of October in the context of the Debian LTS team. This month I was allocated 5h and spent just 2h of them because I have written my master’s qualification text (I am almost on my deadline to finish it). During November I intend to finish these 3h pending, so I did not request more hours.

I basically worked with CVE-2017-0903 which is an issue related to YAML deserialization of gem specifications that could allow one execute remote code. Two packages in wheezy could be affected by this security vulnerability, rubygems and ruby1.9.1. The issue affects just RubyGems source code, but before Ruby version 1.9.1 it was maintained in a separated package, after that it was incorporated by ruby interpreter source package.

After carefully read the upstream blogpost and reviewed the commit that intruduced this vulnerability, I was able to figure out whether the mentioned packages were affected or not. The modification was not present in both of them, and after some tests I did confirm that those versions of rubygems were not affected. The two packages were marked as not affected by CVE-2017-0903 in wheezy.

Well, this was the summary of my activities in the Debian LTS team in October. See you next month :)

Don Armstrong: Autorandr: automatically adjust screen layout

Tue, 07 Nov 2017 03:05:05 +0000

(image)

Like many laptop users, I often plug my laptop into different monitor setups (multiple monitors at my desk, projector when presenting, etc.) Running xrandr commands or clicking through interfaces gets tedious, and writing scripts isn't much better.

Recently, I ran across autorandr, which detects attached monitors using EDID (and other settings), saves xrandr configurations, and restores them. It can also run arbitrary scripts when a particular configuration is loaded. I've packed it, and it is currently waiting in NEW. If you can't wait, the deb is here and the git repo is here.

To use it, simply install the package, and create your initial configuration (in my case, undocked):

 autorandr --save undocked


then, dock your laptop (or plug in your external monitor(s)), change the configuration using xrandr (or whatever you use), and save your new configuration (in my case, workstation):

autorandr --save workstation


repeat for any additional configurations you have (or as you find new configurations).

Autorandr has udev, systemd, and pm-utils hooks, and autorandr --change should be run any time that new displays appear. You can also run autorandr --change or autorandr --load workstation manually too if you need to. You can also add your own ~/.config/autorandr/\$PROFILE/postswitch script to run after a configuration is loaded. Since I run i3, my workstation configuration looks like this:

 #!/bin/bash

xrandr --dpi 92
xrandr --output DP2-2 --primary
i3-msg '[workspace="^(1|4|6)"] move workspace to output DP2-2;'
i3-msg '[workspace="^(2|5|9)"] move workspace to output DP2-3;'
i3-msg '[workspace="^(3|8)"] move workspace to output DP2-1;'


which fixes the dpi appropriately, sets the primary screen (possibly not needed?), and moves the i3 workspaces about. You can also arrange for configurations to never be run by adding a block hook in the profile directory.

Check it out if you change your monitor configuration regularly!

Rogério Brito: Some activities of the day

Tue, 07 Nov 2017 00:52:59 +0000

Yesterday, I printed the first draft of the first chapter when my little boy was here and he was impressed with this strange object called a "printer". Before I printed what I needed, I fired up LibreOffice and chose the biggest font size that was available and let him type his first name by himself. He was quicker than I thought with a keyboard. After seeing me print his first name, he was jumping up and down with joy of having created something and even showed grandma and grandpa what he had done. He, then, wanted more and I taught him how to use that backspace key, what it meant and he wanted to type his full name. I let him and taught him that there is a key called space that he should type every time he wants to start a new word and, in the end, he typed his first two names. To my surprise, he memorized the icon with the printer (which I must say that I have to hunt every time, since it seems so similar to the adjacent ones!) and pressed this new key called "Enter". When he pressed, he wasn't expecting the printer on his right to start making noises and printing his name. He was so excited and it was so nice to see his reaction full of joy to get a job done! I am thinking of getting a spare computer, building it with him and for him, so that he can call it his computer every time he comes to see daddy. As a serendipitous situation, Packt Publishing offered yesterday their title "Python Projects for Kids". Unfortunately, he does not yet know how to read, but I guess that the right age is coming soon, which is a good thing to make him be educated "the right way" (that is, with the best support, teaching and patience that I can give him). Anyway, I printed the first draft of the first chapter and today I have to turn it in. As I write this, I am downloading a virtual machine from Microsoft to try to install Java on it. Let me see if it works. I have none of the virtualization options used, tough the closest seems to be virtualbox. Let me cross my fingers. In other news, I updated some of the tags of very old posts of this blog, and I am seriously thinking about switching from [ikiwiki][0] to another blog platform. It is slow, very slow on my system with the repositories that I have, especially on my armel system. Some non-interpreted system would be best, but I don't know if such a thing even exists. But the killer problem is that it doesn't support easily the typing of Mathematics (even though a 3rd party plugin for MathJax exists). On the other hand, I[...]

James Bromberger: Web Security 2017

Mon, 06 Nov 2017 15:51:30 +0000