This week Red Hat Satellite 5.7 was released. With the ninth update of the 5.x tree many improvements from the Spacewalk development were applied. New web interface The most eye-catching change is the web interface. While this hasn't changed a lot in the last 10 years the most recents developments from Spacewalk 2.1 to …

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Some applications still require Microsoft fonts under Linux. Some Linux distros dropped those fonts because of license difficulties. Microsoft offers those fonts for free but redistributing them is prohibited by the used license. Debian-based distros offer a package msttcorefonts-installer which downloads and extracts …

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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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Yesterday Red Hat released another update of its Red Hat Enterprise Linux major release 6: 6.6. Like for the minor updates before many optimizations and some "technical previews" were implemented. The changes have been documented well in the release and technical notes: Release notes: …

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DELL offers an Linux appliance based on CentOS 5 for customers using VMware products. This appliance is called "DELL OpenManage Integration for VMware vCenter Appliance" and integrates seamless in VMware vCenter Server (or the appliance). It can be used for monitoring physical servers and also allows …

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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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While importing the recent EPEL7 YUM repositories I stumbled upon the following error: 1# /usr/bin/spacewalk-repo-sync --channel epel-el7-x86_64 2> --url http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/ 3> --type yum -c epel-el7-x86_64 4Repo URL: http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/ 5ERROR: xz …

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It is possible that RHEL7 channels aren't available to Red Hat Satellite even though you're having a valid Red Hat Enterprise Linux subscription. The appropriate software channel (rhel-x86_64-server-7) is not part of the list of available channels - it also cannot be downloaded manually: 1# satellite-sync …

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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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