Some time ago I talked with a co-worker about his internal project. He was the owner of a product that tried to provide a generalized, hardened and fully codified Jenkins instance.

This was done with the help of mostly Puppet and Groovy code. I was in this project for six …

Recently, I utilized the yum-config-manager program, which is part of the yum-utils package, to add an additional repository into a CentOS box (of course this works with RedHat, too).

The process involves installing yum-utils and adding a repository using the yum-config-manager command. Subsequently, a file is dynamically generated in the …

I use Plex to manage and view all my movies, tv shows and music located at my personal home storage system. It consists of two programs:

• the Plex Media Server running on my server
• the Android app running on my Android TV box, connected to my tv in the living …

EDIT: This article was first posted in 2016. As of 2019 I still have to use Windows at work, but now I just use WSL with wsltty.

At work I have to use Windows as operating system on my workstation, even though I manage almost only linux servers. There are …

Most people are probably already aware of this fact, but you can test your Ansible-roles on multiple Ansible versions (e.g. 1.9 and 2.0) with the help of Travis.

This is done using environment variables. When multiple environment variables are specified, a build will be run for every …