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Martin Zobel-Helas
The text editor vim offers several tools for automation. This howto describes a way to auto-include text modules when creating new files. Often during programming or administration you need the same text modules again and again. The editor vim is very helpful here, as it can detect a file type...
Bernd Helmle
The PostgreSQL developers' community recently published the first Beta version of the new 9.0 release. Over 200 new functions and improvements feature in this new version. With this new release , PostgreSQL now amongst other features claims an inbuilt replication solution as well as the ability to...
Roland Wolters
Following our earlier introduction to RHCS we now present a real world example: the installation of RHCS with Debian to provide certain virtual machines as services. Our RHCS overview already explained the basics of RHCS. This time we will take two hosts with shared storage and provide KVM guests...
Michael Banck
In May, Consultants from credativ GmbH will be holding a 3 day advanced system and network administration workshop at the Open Source School in Munich. Training specifics (subject to modifications!): Kerberos : This training covers the Kerberos authentification protocol, which can handle a range of...
Bernd Zeimetz
Lighttpd is a web server with a fast growing user base. This howto will demonstrate how redirects can be done based on the language of the user's browser. While migrating from our old blogging software to Movable Type we decided it would be a good idea to show the blog's welcome message in English...
Bernd Helmle
The OOM-Killer can cause nasty surprises on machines with a heavy memory load; processes are cancelled or terminated without warning. Fortunately, this behaviour can be adjusted with some clever kernel tweaks. Administrators of Linux machines with a very high RAM-Usage are sometimes faced with a...
Roland Wolters
This week, credativ launches its Open Source Support Card. With this card Open Source Support can be bought at a fixed price - without a binding contract. After a long preparation phase we are now offering our trusted services in a new, simple format; with the Open Source Support Card you get a...
Roland Wolters
Many digital cameras today do not just save an image, but also save various meta data in the Exif standard. This data includes information about the position of the camera when the image was taken (such as vertical or horizontal). However, some image programs use this data to rotate the image when...
Roland Wolters
The tool chain of a sys admin should always be comprised of effective tools. Today we are introducing the package sysstat. Sysstat is a collection of command line tools dedicated to providing the system administrator with a quick overview of the performance of the system. They work as front-ends to...
Roland Wolters
During the Games Developer Conference the Khronos Group released new versions of its widely used 2D and 3D graphics API, OpenGL. Besides the expected Version 3.3, they also released OpenGL 4.0. From 2004 - 2008 there was so little movement from OpenGL that it was practically announced dead, falling...