reprepro: How to add the same package for multiple distributions

reprepro doesn’t like package clones If you use reprepro for managing your Debian package repository you might have found out that this tool has some limits. One of them is that the same Debian package can only be added once to the whole repository. This mainly has two reasons: All files are stored within the […]... Read More

How to install Discourse without Docker

Many of us know the awesome open-source discussion platform Discourse. The team behind this application recommends to either get a hosting plan and let them install Discourse for you or to download and use a Docker container which has all you need for running Discourse.   However, many of us don’t have a server ready […]... Read More

Article about the Google Translate CLI published in the US Linux Magazine Issue 165/2014

It is great to see that a translated version of my latest article now got published in the US/UK/AUS Linux Magazine. The article is about the Linux command line tool “Google Translate CLI” and shows what it offers to the common Linux user. Make sure the check out the online version here: http://www.linux-magazine.com/Issues/2014/165/Google-Translate-CLI/(language)/eng-US Also make […]... Read More

When the FAI shell or any rescue environment does not show LVM volumes

Yesterday I had to boot a VM into a FAI PXE environment (I used “rescue” as a FAI action which drops me to a shell) because the file system on a LV reported several errors. For my own surprise, the FAI shell / FAI environment showed the LVM information when running pvscan, vgscan and lvscan, […]... Read More

Short update on the new SaltStack Cheat Sheet and freshly published articles

Hi there! I know it’s been a while since I updated my blog. During the last months, I was busy switching jobs, getting to know new technologies and meeting with friends. However, I still found some time to publish some new articles in the print media: “Abgetaucht – Raspberry Pi als Tor-Router und Web-Filter“, published […]... Read More

Artikel über Cfengine 3.4.0 im Linux Magazin 12/2012

Am 2. November 2012 erscheint in Deutschland offiziell die aktuelle Ausgabe des Linux Magazins. Darin enthalten ist u.a. mein Artikel über Cfengine 3.4.0 und die Neuerungen in der Community Edition, der vor allem das neue Posix-ACL-Feature näher beleuchtet.   Ich bedanke mich herzlichst beim Linux Magazin für die erneute Gelegenheit, einen Artikel in dieser Zeitschrift […]... Read More
sdiff example output in less

Tools for Linux sysadmins #3: sdiff

Many Linux sysadmins have in common that working with configuration and other text files is part of their daily work. In my case, I often migrate older Linux boxes to our own Ubuntu fork. Therefore it is required to also use old configurations where it makes sense. When configuring and testing the applications on the […]... Read More

Tools for Linux sysadmins #2: hwinfo, lspci and more

Ever needed to find out what hardware runs a specific server without knowing anything about this system? Well, this happens to me from time to time. But since we are Linux sysadmins we know that there are possibilities to find out what we are dealing with. Let’s assume you are currently in such a situation […]... Read More