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Last Build Date: Sat, 21 Apr 2018 09:04:15 +0000

 



Last Week in Stream Processing & Analytics – 17.4.2018

Tue, 17 Apr 2018 21:21:59 +0000

This is the 111th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Docker: How to build you own container with your own application

Tue, 17 Apr 2018 17:17:00 +0000

atThere are many tutorials out there, how to create a docker container with a apache webserver inside or a nginx.But you can hardly find a manual how to build your own docker container without pulling everything from a foreign repository.Why should you not pull everything from foreign repositories?You should read this article or this: But […]



The Intelligent Chatbot to Customer Service Agent Hand-Off within Zendesk

Mon, 16 Apr 2018 15:32:22 +0000

Chatbots are on the rise. By 2020, over 80% of businesses are expected to implement some type of chatbot automation (Business Insider, 2016). This type of automation is inevitable due to the amount of time and money that chatbots can save a business. However, especially in the early days of the chatbot revolution, a bot […]



The MongoDB ObjectId explained in under 2 minutes

Mon, 16 Apr 2018 15:00:40 +0000

As you may have noticed, especially when your background is from a MySQL or Oracle database, is that the unique identifier for database records (or ‘documents’ in MongoDB) is quite different. It’s not a incremental counter, but a long string of characters. 12 bytes in hexadecimal format, to be precise. And although they appear to […]



Chatbots – A Public Apology at Collaborate

Sun, 15 Apr 2018 19:28:00 +0000

One of the first sessions at Collaborate 2018 is my chatbot presentation. Last year at Oracle Open World I blogged about a chatbots session I had seen when visiting Oracle's User Experience labs the week before. The blog was about how the idea of a chatbot seemed alien to me as a reason to use Oracle Cloud. […]



Oracle SOA Suite 12c: Invoking a BPEL process via Enterprise Manager (EM)

Sun, 15 Apr 2018 14:05:00 +0000

After you logged in via http://yourhost:7001/em navigate to "soa-infra": Then choose "Deployed Composites": There you have to click on your composite (here: "Project1"): Choose "Test": Go to the bottom of the page and expand the payload: There you have  fill in your test string:  And after a click on "Test Web Service"The response is shown incl. the response time.To list the audit […]



Collaborate Preview #2: Consider your Options for Moving Oracle WebCenter to the Cloud

Fri, 13 Apr 2018 20:47:50 +0000

By now, most people have heard about the benefits of cloud computing. To summarize, the cloud promises more agility and scalability, with less cost and administration. However, for legacy customers using on-premise software, getting to the cloud isn’t always a simple and straightforward process. In fact, a lot of times confusion on deployment options, pricing, […]



Oracle VM Server x86: Creation of a virtual machine

Thu, 12 Apr 2018 19:47:00 +0000

After all these stepssetting up a Oracle VM nodeconfiguring Oracle VM Manager connecting VM node to VM Manger, adding a repository, server pool, etc.  it is possible to create a VM: Click the third icon:And here is the summary:One thing still missing: I did not put an ISO image into the repository, so this VM has no […]



Passing on the Baton, Still Supporting the Team

Tue, 10 Apr 2018 14:23:00 +0000

As you will have seen in today's UKOUG eBulletin my participation on the board has come to an end. The time has come to hand over the baton to Neil Chandler and leave the organisation in the very capable hands of our current board.It is a little bit sad. I know it right to go […]



Last Week in Stream Processing & Analytics – 9.4.2018

Mon, 09 Apr 2018 22:34:23 +0000

This is the 110th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Women in Technology – Paying it Forward

Sun, 08 Apr 2018 16:00:00 +0000

At the UKOUG conferences in December I had the pleasure of inviting Caroline Apsey to talk about what Oracle are doing supporting the Bloodhound project.Afterwards I asked Caroline if she would consider an interview with Oracle Scene about being a WIT with such a high profile and she was happy to do so with her […]



2018 OUG Ireland

Sun, 08 Apr 2018 14:57:00 +0000

This year on 22 March we had OUG Ireland. Sometimes it is hard to let go. I have been the project lead for Ireland for many years, but this year Tony Cassidy took the lead. He and his volunteers (of which I was still one), did a great job and we had a wonderful couple […]



Ubuntu: unmet dependencies gparted (libparted-fs-resize0 (>= 3.1))

Sat, 07 Apr 2018 14:34:00 +0000

After a new ubuntu installation i got the following error:root@pc:/etc/apt/sources.list.d# apt install   gpartedPaketlisten werden gelesen... FertigAbhängigkeitsbaum wird aufgebaut.    Statusinformationen werden eingelesen.... FertigEinige Pakete konnten nicht installiert werden. Das kann bedeuten, dassSie eine unmögliche Situation angefordert haben oder, wenn Sie dieUnstable-Distribution verwenden, dass einige erforderliche Pakete nochnicht erstellt wurden oder Incoming noch nicht verlassen haben.Die […]



Collaborate Preview #1: How a Chatbot Army Could Help Your Business

Thu, 05 Apr 2018 14:11:26 +0000

No matter your profession, having an assistant to provide some help would be awesome. Someone to compile data, run reports, enter information into systems, look up key details, and even order your new business cards after your promotion. Unfortunately, most professionals don’t have an actual human assistant to perform tasks like these specifically for them. […]



Last Week in Stream Processing & Analytics – 4.4.2018

Wed, 04 Apr 2018 20:32:29 +0000

This is the 109th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Enterprise Manager and the disadvantages of WLS’ Dynamic Monitoring Service (lots of metricdump files)

Wed, 04 Apr 2018 09:27:00 +0000

Had an interesting problem this morning with a customers Windows Server where Enterprise Manager 12c is running: Disk C: - where the EM Software is installed - was full. By the way: Imho, oracle software should never ever be installed in C: ...The Problem:Reason for the full disk was Weblogic's Dynamic Monitoring Service (or a […]



Oracle VM Server: supported guest systems

Tue, 03 Apr 2018 09:36:00 +0000

After the installation ofOracle VM ServerandOracle VM Managerthe next step is to install a guest. But which operating systems are supported on Oracle VM Server?Let's look into the official Oracle documentation:The list of supported operating systems can be found here.Table 5.1 HVM-Supported Linux Guest Operating SystemsGuest Operating SystemHVM 32-bitHVM 64-bitOracle Linux Release 7.xN/AYesOracle Linux Release 6.xYesYesOracle Linux […]



Deploying OIC – Definitive Tip #9

Tue, 03 Apr 2018 09:08:43 +0000

When ICS was launched it delivered on of the values of PaaS namely you didn’t need to worry about setting up storage, database and compute, it was all sorted out for you. Admittedly it come with a lack of elasticity when it came to resilience and scaling. In contrast Services such as SOA CS which […]



Oracle 12c SOA Suite: Administration via Enterprise Manager

Sat, 31 Mar 2018 19:20:00 +0000

AfterConfiguring the database via RCUInstallation of the infrastructure softwareInstallation of the SOA Suite softwareConfiguring the SOA Suite Weblogic Serveri want to present some screenshots of the web console of the SOA Suite:http://localhost:7001/emBut first the servers have to be started:cd /home/oracle/Oracle/Middleware/Oracle_Home/user_projects/domains/base_domain/binnohup ./startNodeManager.sh &nohup ./startWeblogic.sh &Now the login is available:  But there the soa_server1 is still down: So let's […]



Last Week in Stream Processing & Analytics – 28.3.2018

Wed, 28 Mar 2018 17:54:10 +0000

This is the 108th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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GSA Migration is Easier than Ever with the Mindbreeze Winter 2018 Release

Wed, 28 Mar 2018 13:55:47 +0000

Mindbreeze recently announced the Winter 2018 release of Mindbreeze InSpire which brings a number of new features and enhancements to Mindbreeze customers. One notable addition is the GSA Transformer Service which enables Mindbreeze to receive Google Search Appliance (GSA) queries and provide a GSA-formatted XML response. Add this to the list of GSA-friendly features already […]



Fishbowl Solutions to Defend Trophy at Oracle Modern CX Hackathon: Hack a Smarter Customer Experience Event

Mon, 26 Mar 2018 15:51:02 +0000

Fishbowl Solutions’ Oracle Mobile and Intelligent Chatbots team will once again be participating in the Oracle Modern CX Hackathon: Hack a Smarter Customer Experience event, which takes place on Wednesday, March 28th and 29th. This is Oracle’s second biannual two-day “Hack a Smarter Customer Experience” event, and this year it takes place at the Oracle […]



Oracle SOA Suite 12c: Tokens – To avoid substituting values: define global token variables

Sat, 24 Mar 2018 14:15:00 +0000

Inside the Enterprise Manager (URL: http://yourhost:7001/em) you can configure SOA Suite profiles: Choose "Token Configurations" ???To list the tokens click on "Modify Configuration file": To add a token click on the green plus: Do not forget to save your changes: To use the bulk append you have to create a file like this one:    2000    weblogic Choose your file "text.xml": […]



How We Integrated this Website with the Mindbreeze InSpire Enterprise Search Appliance

Fri, 23 Mar 2018 14:40:59 +0000

As many of you know Fishbowl is a Mindbreeze Certified Partner and search appliance reseller. A core component of our company culture is using the same tools and technologies we implement for our customers. For that reason, and to give readers like you a chance to try out Mindbreeze in action, we have implemented Mindbreeze […]



Java 10 released: java with some enhancements for running inside docker

Thu, 22 Mar 2018 21:03:00 +0000

After the release of Java 9 in october 2017 with its new featuresJShell with its special commandsthe new folder structure and many moreOracle released Java 10: A short summary of the new feature can be foundat https://blogs.oracle.com/java-platform-group/introducing-java-se-10or you can take a look a the release notes:http://www.oracle.com/technetwork/java/javase/10-relnote-issues-4108729.html#NewFeatureMy favourites are:JEP 307 Parallel Full GC for G1  Improves G1 worst-case […]



Oracle VM Server x86: Discovering a server/node + setting up a repository, server pool and networking

Thu, 22 Mar 2018 20:32:00 +0000

Let's put the things together:after setting up a Oracle VM nodeand configuring Oracle VM ManagerThe Oracle VM Manager has to discover the node. Inside the web GUI (https://yourhost:7002/ovm/console)  clickt on the right icon:Then give your password and the ip(s):And then you can see the node details (if the connections does not fail):The next step is […]



Continued Evolution of OIC and this site

Thu, 22 Mar 2018 08:40:35 +0000

The transformation of Oracle Integration Cloud Service (ICS) into Oracle Integration Cloud (OIC) continues to progress. If you’ve read our earlier posts (such as this) on the subject you’ll remember that ICS becomes part of OIC, and depending on which version of OIC you take you will also see other components including: Visual Builder Cloud […]



2018 PaaSForum Budapest – The Content

Wed, 21 Mar 2018 22:38:00 +0000

I'm a member of several advocate communities within Oracle and the leaders are a special breed, ensuring we had the product access we need to be up todate and to keep us motivated. I'd like to call out Jennifer Nicholson and Lori Lorusso in the ACE Program and Misha Vaughan in the Apps UX Advocate […]



Oracle SOA Suite 12c – Purge

Wed, 21 Mar 2018 13:31:00 +0000

Many people struggle with the configuration and execution of the SOA Purge functionality under Oracle SOA Suite 12c.Oracle provided with SOA Suite 12c a nice web interface for enabling, and scheduling the AutoPurge functionality within the Enterprise Manager Fusion Middleware Control 12c.But in case you just enable, schedule and define your retention time for the […]



Last Week in Stream Processing & Analytics – 19.3.2018

Tue, 20 Mar 2018 04:04:05 +0000

This is the 107th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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AVM: Powerline Repeater / Fritz Repeater

Sat, 17 Mar 2018 20:16:00 +0000

Last weekend my Powerline Adpater 546E broke. I tried some restarts but after 1-5 minutes the WLAN went down and the adapter got really hot.Perhaps the missing mesh functionality was due to a hardware problem which caused this total failure.Never mind. I ordered a Fritz Box Repeater 1160 and followed the instructions from AVM:Note: If […]



ODA X6-2M – Expanding Storage can be unsuccessful when impatient

Fri, 16 Mar 2018 15:52:00 +0000

In 'A Brief History of Time' (RIP Mr. Hawking), Chapter 2 is named 'Space and Time' – and this title fits perfect with a current problem, I was faced with, when expanding disk capacity in an ODA X6-2M.Long story, told shortAn ODA X6-2M, equipped with the standard disk configuration, ran out of space and my […]



ODA Xx – Space Waste When Using ACFS (instead of ASM) For Databases

Fri, 16 Mar 2018 07:49:00 +0000

Disclaimer: I will not discuss the necessity of an ACFS FS to store database files, nor compare ASM and ACFS or it's benefits. What to use / what fits best in Your environment is up to You, folks … ;-)Pretty sure that this is for lots of people a well-known problem – but for all […]



Oracle 18c – SQLPlus cute Features

Wed, 14 Mar 2018 13:58:00 +0000

As I got my fingers on the latest Oracle 18c Release, I had the chance to test some cute new features within SQLPlus, which are really helpful.SET LINESIZE WINDOW:The new option WINDOW for SET LINESIZE automatically adjust your linesize to your current window size.As you can see in the below screenshot, the first select was […]



Last Week in Stream Processing & Analytics – 13.3.2018

Tue, 13 Mar 2018 23:12:51 +0000

This is the 106th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Can Ireland Continue to Win?

Sat, 10 Mar 2018 21:48:00 +0000

I've just watched Ireland win the 6 Nations, next week is Cheltenham, St Patricks Day, England v Ireland at Twickenham for the Grand Slam; can anything top that?Well they will all rush back for the annual OUG Ireland Event held  22-23 March at The Gresham Hotel, Dublin.As ever there is a great agenda, and I'm kicking […]



Docker-CE on Ubuntu 17.10 (Artful Aardvark) (2)

Sat, 10 Mar 2018 09:42:00 +0000

Three months ago i installed docker on my ubuntu 17.10. At those days there was no straight forward howto on docher.com.Now the installation is listed on docker.com:The installation manual can be found here.root@zerberus:~# apt-get install apt-transport-https ca-certificates curl   software-properties-commonroot@zerberus:~# curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -  OKroot@zerberus:~# apt-key fingerprint 0EBFCD88  pub   rsa4096 2017-02-22 [SCEA]      […]



Oracle 18c – ALTER USER RENAME

Fri, 09 Mar 2018 12:03:00 +0000

2 years ago, I have published an article series about the undocumented feature "ALTER USER RENAME":Part 1: ALTER USER RENAME - A half official option: http://dirknachbar.blogspot.ch/2016/03/alter-user-rename-half-official-option.htmlPart 2: ALTER USER RENAME - Part 2: http://dirknachbar.blogspot.ch/2016/03/alter-user-rename-part-2.htmlPart 3: ALTER USER RENAME - Part 3: http://dirknachbar.blogspot.ch/2016/03/alter-user-rename-part-3.htmlAs I was getting access to an Oracle 18c Database, I was trying directly, if the […]



Oracle VM x86: Installing Oracle VM Manager (getting the installation media)

Thu, 08 Mar 2018 21:12:00 +0000

If you search for "oracle vm manager" on Oracle Edelivery you will get the following:  Hmmm...Downloading "Oracle VM Manager with Oracle Linux 2.2.0.0.0" will lead to two files with *.img. These files are no cd/dvd images. But you can find a solution here:mount -t auto -o loop,offset=$((63*512)) System.img /mnt/SystemBut this leads to some files with oc4j […]



Oracle VM x86: Installing Oracle VM Manager

Thu, 08 Mar 2018 19:21:00 +0000

First check the hardware requirements:After downloading the right image (please do not laugh, this is really a problem), inside a Oracle Linux the following steps have to be done:mount /dev/cdrom /mntmount: /dev/sr0 is write-protected, mounting read-onlyand# ls /mnt/components       oracle-validated.params  OvmSDK_3.4.4.1709.zip  sample.ymlcreateOracle.sh  ovmm-installer.bsx       runInstaller.sh        TRANS.TBLFirst try:[root@localhost ~]# /mnt/createOracle.sh Missing required package, Oracle VM Manager requires to […]



Last Week in Stream Processing & Analytics – 5.3.2018

Tue, 06 Mar 2018 07:29:45 +0000

This is the 105th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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EXPDP using an External Password Store – facing a new ‘release’ of a well known performance issue

Mon, 05 Mar 2018 15:50:00 +0000

After a while without blogging, here a new blog post talking about a very well known performance issue:export (exp as well as expdp) is usually slower when using an TCP based TNS-Alias instead of setting ORACLE_SID. Remember? ;-) In a little more detail:An "expdb system/manager@db directory= ..." takes (usually) more time than an"export ORACLE_SID=DB; expdp system/manager directory= […]



The Legacy of A Great Friend

Mon, 05 Mar 2018 10:36:00 +0000

John Schiff died at the weekend. It was expected, he had found out he had leukaemia last October and he spent his last weeks at home with his family and hospice care. John was head of JD Edwards World product and a great friend to both UKOUG and me personally.From the time Oracle purchased PeopleSoft and […]



Oracle database 18c: Installation via RPM

Sat, 03 Mar 2018 19:21:00 +0000

After the release of 18c i did a short dive into the "guide to new features" announced on oracle.com: And take a look, what can be found in "Database Overall -> Install, config, and patch":RPM-based Database Installation RPM-based Database Installation (RDI) enables an RPM-based installation of the Oracle Database software. Using the rpm-ivh command, an RPM-based […]



Oracle VM x86: Installation walkthrough / step by step for a node/server

Wed, 28 Feb 2018 19:11:00 +0000

Last week i tried to setup Oracle VM. For all who are interested, here a short walkthrough.First the VirtualBox Setup: The VM which should contain the Oracle VM server:Let's boot: Next reboot:  And here we go:



Last Week in Stream Processing & Analytics – 27.2.2018

Wed, 28 Feb 2018 07:07:03 +0000

This is the 104th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Managing API Policy Versioning in Oracle API Platform

Tue, 27 Feb 2018 11:05:12 +0000

Oracle’s API Platform (API-P) product avoids the use of external configuration management. If you want to better understand why, then checkout our forthcoming book as it goes into detail about why this is the case (it can be pre-release version of the book can be obtained here). In a previous blog I wrote about and […]


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Ubuntu Kernel: Adding a new menuentry as default before menuentry ‘Ubuntu’ (grub)

Sun, 25 Feb 2018 21:27:00 +0000

After the problem with s2disk/hibernate on my Ubuntu 17.10 i wanted to change the grub boot menu:I wanted to add my new default kernel at the beginning  - before the 'Ubuntu' menuentry.Adding the menuentry inside /boot/grub/grub.cfg does not work, because after the first kernel update the command update-grub will overwrite all changes.Easiest way:Go to /etc/grub.d/ […]



Oracle Database 18c released!

Tue, 20 Feb 2018 20:19:00 +0000

Today i discovered on otn.oracle.com --> database: The downloads-page looks like the last weeks - 12c is the default...... but the documentations tab lists 18c:  blogs.oracle.com shows the following:So the "cloud first" strategy is still in place (by the way: is this something like "america first"?).The installation procedure looks strange:Starting with Oracle Database 18c, installation […]



Screenshots and more

Tue, 20 Feb 2018 12:00:06 +0000

One of my pet peeves is a sloppy screenshot. I shudder if I’m sent a screenshot in a professional document that’s blurry, too zoomed out or stretched out of ratio. I cringe if I see a presentation with a screenshot that includes a stack of irrelevant extra info – it’s not necessary to include your […]


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Last Week in Stream Processing & Analytics – 19.2.2018

Mon, 19 Feb 2018 21:31:42 +0000

This is the 103rd edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Firefox tab crashes by loading maps.google.com on ubuntu 16.04

Sun, 18 Feb 2018 16:21:00 +0000

On a ubuntu 16.04 system firefox crashes by loading maps.google.com: The only way to fix this was going to "about:config":On this page search for "webgl.disabled" and change the value from falseto true:After that, maps.google.com loads without any problem...



Last Week in Stream Processing & Analytics – 13.2.2018

Tue, 13 Feb 2018 21:59:09 +0000

This is the 102nd edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]


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Node tutorial part 2; building a proper website

Mon, 12 Feb 2018 14:54:46 +0000

Your first fully functional Node application In the first part of this tutorial we set up a development environment. As you have noticed there, the core of a Node application is a server side Javascript file. You will be editing this file a lot and along the while it will grow accordingly. I think the […]



Tweaking the Manager Resources Dashboard

Mon, 12 Feb 2018 13:00:39 +0000

The Manager Resources Dashboard is being replaced in Release 13, but until we get the upgrade we still need to use the current version. Most of the content can be replaced with better OTBI output, however, Worker Availability is not able to be easily superceded. So, for our client, they have this on its own […]


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Docker-Machine: how to create a docker vm on a remote virtualbox server

Sun, 11 Feb 2018 07:37:00 +0000

After doing some first steps with docker, i wanted to test docker-swarm. Because of the limited resources of my notebook, i was looking for a Linux with a minimal footprint. In the context of setting up VMs for docker-swarm i found a log of articles about doing that with the tool docker-machine.It sounds like this […]



Enforce the HTML5 max attribute of input items with JavaScript

Sat, 10 Feb 2018 21:02:55 +0000

The HTML5 max and min attribute on input items The max attribute is introduced in HTML5 and specifies the maximum value for an element. Unfortunately, it doesn’t enforce the maximum value entered when typing in numbers as you might expect. The syntax for the HTML element is as follows: With a small […]



3 Easy Ways to Capture Documents to Oracle Content & Experience Cloud with Oracle WebCenter Enterprise Capture

Thu, 08 Feb 2018 21:25:54 +0000

Document capture plays a crucial role in the overall content management process. The conversion of paper or electronic documents (PDFs, email attachments, etc.) to managed content that includes metadata, enables such content to be easily found within enterprise content management systems like Oracle WebCenter. For companies that have invested in cloud-based content management systems, such […]



Talking about Microservices: A journey to Docker / Snap / CoreOS / Unbuntu Core / Docker-Swarm

Wed, 07 Feb 2018 19:11:00 +0000

A few months ago (13th august 2017) i started my personal journey into this new hype called microservices: I thought the best way for me to get in touch was to begin with CoreOS. Within 2 weeks i got some first impressions:Installing CoreOS on VirtualboxCore OS - a minimal linux? A quick overview: diskspace, mounts, commands, […]



Tracing Executions in an API Environment

Wed, 07 Feb 2018 10:45:35 +0000

As APIs become more pervasive within our solutions we see the arrival of not just design and cataloging tools such as Apiary, Apigee and others but also the arrival of gateways. The gateways provide execution of operations including validation, accounting (moneytization), routing, and other controls such as throttled checks that would often not occur until […]


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API Design

Mon, 05 Feb 2018 16:25:31 +0000

When it comes to ensuring I keep up good practises, I try to look at books  in areas I think I have a good handle on such as APIs.  Why?  well it confirms and validates I’m upto date; sometimes another view point can spark ideas on how to make something better, improve an approach or […]


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No More HCM Cloud Upgrades

Mon, 05 Feb 2018 13:00:59 +0000

Oracle have announced that they’re stopping the practice of bi-annually upgrading HCM Cloud and are going to roll the enhancements into the quarterly updates instead. It’s a move that isn’t particularly surprising as large upgrades are being phased out by most vendors in favour of continuous software delivery. Particularly when looking at Cloud vendors, most […]


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Ubuntu 17.10: s2disk/hibernate broken with kernel 4.13.0-32

Sat, 03 Feb 2018 20:22:00 +0000

Last week my notebook refused to startup after s2disk/hibernate. The resume process started up to 100% and then the screen went black and everything stopped...Hmm...First idea: Something disappeared inside the grub configuration.But this was okay.After nearly one hour my last try was booting an old kernel. And withschroff@zerberus:/boot$ uname -aLinux zerberus 4.13.0-17-generic #20-Ubuntu SMP Mon […]



Validating API Platform Policies & Gateway Deployments

Thu, 01 Feb 2018 10:47:20 +0000

When configuring API Policies in the the Oracle API Platform it helps if there is a simple back end that can take the received payload and record the sent values (header & body) as well as reflect the call details back as the response, or possibly respond with a test payload (so that response policies, […]


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The Excitement (and challenge) of Continuous Innovation

Sun, 28 Jan 2018 15:01:00 +0000

Part of my role at Certus, is to understand what is happening in the Oracle World and make sure if we need to be part of it we are ready to be so at the right time. Another part is understanding the strategy of our customers and how these things can brought together.I recently attended […]



Bash: How to trim/truncate variables / get substrings

Sat, 27 Jan 2018 18:53:00 +0000

In a comment to one of the most useless commands postings was shown how to use the rev command to get the last component of  the path out of a log file:cat log | grep pattern | rev | cut -d '/' -f 1 | revIf you only have one variable filled with a path, […]



Day 2 problems in the Cloud

Fri, 26 Jan 2018 09:24:18 +0000

Day 2 problems in the Cloud When moving to the Cloud companies run into “Day 2 problems”. The technology, interfaces and how to use all the stuff are super easy however on the second day comes the real challenge: How to use all this great stuff in a structured way on company/enterprise level? Here is […]



Java 9: JDK without subfolder JRE

Thu, 25 Jan 2018 21:09:00 +0000

In older JDK releases the directory structure was:bindbincludejrelibWith JEP 220 the jre folder was removed.A JDK image no longer contains a jre subdirectory, as noted above. Existing code that assumes the existence of that directory might not work correctly.But this does not mean that there is no JRE any more. You can still download the JRE. There […]



Oracle SOA Suite 12c: Configuring the SOA Suite Weblogic Server

Mon, 22 Jan 2018 20:45:00 +0000

AfterConfiguring the database via RCUInstallation of the infrastructure softwareInstallation of the SOA Suite software i had to run the./config.shinside the home/oracle/Oracle/Middleware/Oracle_Home/oracle_common/common/binAnd then after a./startWeblogic.shinside /bin in the directory, which was configured in the first screenshot of the config.sh, i can open the console:



OTBI and Unusual Number Formats

Mon, 22 Jan 2018 16:32:22 +0000

At one of our clients we’ve exposed a number of infolets to employees to give them information about sicknesses, vacation etc. One of these infolets lists the holiday balances an employee has left. The upper right figure shows the carryover from the previous holiday year plus any adjustments that HR have applied. As an adjustment could […]


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Oracle SOA Suite: Installing the Fusion Middleware SOA Suite

Sun, 21 Jan 2018 20:30:00 +0000

After the installation of the Fusion Middleware Infrastructur the next step is to install the SOA Suite software.The software can be found here:The first try failed with this error:java -d64 -jar fmw_12.2.1.3.0_soa_quickstart.jar Launcher-Logdatei ist /tmp/OraInstall2017-10-07_11-47-20PM/launcher2017-10-07_11-47-20PM.log.Nicht genügend freier Speicherplatz in /tmp/orcl3797124329273264119.tmp, um das Installationsprogramm zu extrahieren. Aktuell 2796 MB. Erforderlich 3532 MB.Ok. Some cleanups inside /tmp […]



Docker-CE: How to modify containers with overlays / How to add directories to a standard docker image

Sun, 14 Jan 2018 19:00:00 +0000

After some experiments with docker i wanted to run a tomcat with my own configuration (e.g. memory settings, ports, ...).The first guess is: Download tomcat, configure everything and then build an image.BUT: After i learned how to use the -v (--volume) flag for adding some file via the docker command to an image i was […]



Ubuntu Intel Spectre/Meltdown update

Sat, 13 Jan 2018 14:48:00 +0000

One week after the rumors about Spectre and Meltdown (s. Project Zero Blog) my Ubuntu 17.10 got the Intel microcode patch:root@zerberus:~# apt-get upgradePaketlisten werden gelesen... FertigAbhängigkeitsbaum wird aufgebaut.       Statusinformationen werden eingelesen.... FertigPaketaktualisierung (Upgrade) wird berechnet... FertigDie folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt:  linux-headers-4.13.0-17 linux-headers-4.13.0-17-generic  linux-image-4.13.0-17-generic linux-image-extra-4.13.0-17-genericVerwenden Sie »apt autoremove«, um sie […]



Oracle SOA Suite: Installating the Fusion Middleware Infrastructure

Wed, 10 Jan 2018 18:44:00 +0000

After setting up the database (installation, instance setup) and the SOA Suite repository (via rcu) the next step is to install the Oracle Weblogic Infrastructure.The software can be downloaded here:(You have to choose "Fusion Middleware Infrastructure Installer)The unzip the downloaded zip: fmw_12.2.1.3.0_infrastructure_Disk1_1of1.zipand run it:  java -d64 -jar fmw_12.2.1.3.0_infrastructure.jar Because the Oracle documentation does not contain pictures […]



Weird Logon Redirect Issue

Mon, 08 Jan 2018 14:43:42 +0000

We hit a perplexing issue over the Christmas break at one of our clients. They had a user who could not log in and was getting a redirect issue that we’d not encountered before. We checked it out, made sure his roles were valid etc and found: all other users could log in without any […]


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