Subscribe: Adrian doing the blog
Preview: Adrian doing the blog

For external use only

Last Build Date: Mon, 26 Feb 2018 08:25:56 +0000

Mon, 26 Feb 2018 08:25:56 +0000

After many years the whole RPM Fusion repository has grown to over 320GB. There have been occasional requests to move the unsupported releases to an archive, just like Fedora handles its mirror setup, but until last week this did not … Continue reading

OpenHPC: Building Blocks

Thu, 25 Jan 2018 18:48:09 +0000

I will be giving two talks about OpenHPC in the next weeks. The first talk will be at 2018: OpenHPC Introduction The other talk will be at the CentOS Dojo in Brussels. I hope I will be able to … Continue reading

Optimizing live container migration in LXD

Wed, 06 Dec 2017 06:48:39 +0000

After having worked on optimizing live container migration based on runc (pre-copy migration and post-copy migration) I tried to optimize container migration in LXD. After a few initial discussions with Christian I started with pre-copy migration. Container migration in LXD … Continue reading

Lazy Migration in CRIU’s master branch

Sun, 01 Oct 2017 16:32:24 +0000

For almost two years Mike Rapoport and I have been working on lazy process migration. Lazy process migration (or post-copy migration) is a technique to decrease the process or container downtime during the live migration. I described the basic functionality … Continue reading

Linux Plumbers Conference 2016

Fri, 20 Jan 2017 09:34:20 +0000

It is a bit late but I still wanted to share my presentations from this year’s Linux Plumbers Conference: On my way back home I had to stay one night in Albuquerque and it looks like the … Continue reading

Influence which PID will be the next

Sat, 15 Oct 2016 11:16:30 +0000

To restore a checkpointed process with CRIU the process ID (PID) has to be the same it was during checkpointing. CRIU uses /proc/sys/kernel/ns_last_pid to set the PID to one lower as the process to be restored just before fork()-ing into … Continue reading

Combining pre-copy and post-copy migration

Fri, 14 Oct 2016 15:19:57 +0000

In my last post about CRIU in May 2016 I mentioned lazy memory transfer to decrease process downtime during migration. Since May 2016 Mike Rapoport’s patches for remote lazy process migration have been merged into CRIU‘s criu-dev branch as well … Continue reading

HS100 – Wi-Fi Smart Plug

Mon, 08 Aug 2016 20:17:18 +0000

For my recently installed PXACB I was looking for a way to remotely power it on and off. I found the Wi-Fi Smart Plug “HS100” and a blog post that it can be controlled from the command-line. The referenced script … Continue reading


Thu, 21 Jul 2016 20:47:05 +0000

A long time ago (2007 or 2008) I was developing firmware for Cell processor based systems. Most of the Slimline Open Firmware (SLOF) has been released and is also available in Fedora as firmware for QEMU: SLOF. One of the … Continue reading

Updated RPM Fusion’s mirrorlist servers

Thu, 14 Jul 2016 17:44:50 +0000

RPM Fusion’s mirrorlist server which are returning a list of (probably, hopefully) up to date mirrors (e.g., still have been running on CentOS5 and the old MirrorManager code base. It was running on two systems (DNS load balancing) and … Continue reading