If you plan to restrict utilizing the root user under Linux, it is most likely that you will create sudo rules to allow certain users to execute administrative utilities. There are plenty of tools you really should not be able to run as privileged users - some examples:

screen, tmux

The famous terminal multiplexers GNU …

If you're testing the nightly builds of Katello, you might come into a situation where it is advisable to re-install the software completely.

As the particular installation steps are automated using Puppet, there is also a dedicated utility which automates uninstalling the software in a clean way: katello-remove.

This …

After upgrading Katello recently, I stumbled upon the following error when accessing the administration interface:

<img
  loading="lazy"
  decoding="async"
  alt="Katello error message"
  
    class="image_figure …</picture></figure></p>

The middle mouse button offers extended functionality in the most software - e.g. it can be used in web browsers to open or close tabs. When using the integrated trackpad of a MacBook or the Apple Magic Mouse this will not work due to missing mouse buttons.

To enable this functionality under OS X there is a free …

Icinga2 is a very powerful monitoring system that can be used optionally with the new user interface Icinga Web 2. In comparison with Icinga 1.x, those tools have been developed completely from scratch - they have nothing in common with the legacy software stack.

This year, a configuration utility named Icinga Director …

Rcently I packaged the software scponly for Enterprise Linux using rpmbuild and stumbled upon an error message:

 1$ cd ~/rpmbuild/SPECS
 2$ rpmbuild -ba scponly.spec
 3checking for libgiertz...
 4...
 5/usr/bin/install -c -o 0 -g 0 scponly /home/cstan/rpmbuild/BUILDROOT/scponly-4.8-1.el7.centos.x86_64/usr/bin/scponly …

Some months ago, I built a small VSAN home lab. Gradualy I expanded the setup - e.g. I moved from a hybrid setup (HDDs and SSDs) to all-flash (SSDs only) to utilize deduplication. Because errors might occur during testing, my NAS is still used as shared storage for the cluster.

The HDDs of my NAS were unable to meet …