Recently I stumbled upon the following error when registering a new openSUSE system in Uyuni: The appropriate file simply did not exist - but the folder was created: 1# file /var/lib/salt/.ssh/known_hosts 2known_hosts: cannot open 'known_hosts' (No such file or directory) 3 4# ls -lad /var/lib/salt/ 5drwxr-xr-x …

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Sometimes Spacewalk still suggests updates and errata for a system even though they have already been installed. Especially for bigger system landscapes this is confusing as planning maintenance using the web interface is hard in this way. 1# zypper update scout 2Refreshing service 'spacewalk'. 3Loading …

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This week Spacewalk was released in version 2.4 after 6 months of development. In summary, about 60 bugs were fixed and some new features were implemented. The web-interface is now available to other projects as part of the Patternfly framework. The project driven mainly by Red Hat aims at combining beatiful designs …

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GitLab is a very popular alternative to GitHub that is available as free Community Edition for interested hobbyists and smaller companies. For installing the software, there is a script for downloading and installing the particular software packages. If you have a look at the source code of this script, you will see …

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After Red Hat Satellite 5.7 was released 3 months ago Spacewalk version 2.3 was published on 14th of april 2015 after 9 months of development. Like the commercial spin-off the recent management suite also offers a more modern web-interface. With version 2.2 this interface's user experience was overhauled by HTML5, …

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This week one of the SUSE Linux Expert Day events that are taking place worldwide since september 2014 was hosted at 25hours Hotel Frankfurt by Levi's - a very stylish and fancy location! Agenda The event was planned for 5 hours and consisted of many interesting talks: Keynote - Michael Jores, Regional Director Central …

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Hint from january 2015: the bug has been fixed in the meantime. I found out that it is currently (11/01/2014) impossible to run osad (Open Source Architecture Daemon) with SELinux enabled on EL6.6 and EL7 systems. The following error message can be seen while starting the service: 1# service osad restart 2Shutting down …

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This week the first official CentOS Dojo in Cologne was taking place. CentOS Dojos are one-day events where administrators and developers can exchange knowledge. Talks about recent topics are always part of these events. inovex GmbH kindly features the event by providing their rooms and hearty catering. Beside coffee …

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Beside Linux systems also Oracle Solaris hosts can be managed using Spacewalk and Red Hat Satellite - a cool feature that is often forgotten. (Update: since Spacewalk 2.2 from 07/16/2014 this function is "deprecated" which means that it might be removed in one of the following releases) Bigger companies which …

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It is possible that the following error message is displayed on client systems when software packages are distributed using Spacewalk, Red Hat Satellite or SUSE Manager: 1Error while executing packages action: empty transaction [[6]] This issue rests on the database of the management suite. After a while (or after a …

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