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 …

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 …

If you're maintaining your system landscape with Spacewalk, Red Hat Satellite or SUSE Manager you might also see many old entries while having a look in the action list after a while:

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A couple of days ago I spent a lot of time with Kickstart under Spacewalk and Red Hat Satellite and was looking for a possibility for creating Kickstart Trees for CentOS comfortably.

Radomly I stumbled upon a blog article which served a useful script. That inspired me to create a more handy python script for that. …

There are several OpenJDK versions for running Java applications under Enterprise Linux. This is adequate for the most applications but in some cases you might need the proprietary version by Oracle (e.g. because of support matrices of commercial third-party software).

On the JRE webseite you can find tarball and RPM …

During a recent system update that I started using Spacewalk I stumbled upon the following error message:

1Fatal error in Python code occurred [[6]]

After some troubleshooting I came up that I upgraded my spacewalk server to the most recenet release a couple of days ago. During this update I forgot to update also the …

Sometimes it is necessary to break down the patch status of the Linux landscape.

Especially if the administrator's work is subjected to security standards a constant documentation of maintenance tasks is often necessary.

Using Spacewalk, Red Hat Satellite or SUSE Manager available patches are described as errata. Those …

Recently I had a issue when trying to use the OSA dispatcher integrated in Spacewalk, Red Hat Satellite and SUSE Manager. The software was unable to push actions to registered client systems - it seems that there was a problem with the appropriate service:

1# service jabberd status
2router dead but subsys locked
3sm …

Virtualized Linux guests running on VMware vSphere can only offer the best performance if the helper software VMware Tools in the most recent version.

If you have ever used VMware products you know that constant updates guarantee the support of new operating systems and hardware. But this has also the disadvantage that …