For some strange reason I still have the motivation to look at the “new” Cfengine 3. While I covered editing files and checking for running services in the last posts, I will try to do some very basic package management with Cfengine 3 today. Writing the script body common control { version => "1.0"; inputs [...]

Every system admin normally wants to be in full control of his box. One part of the “full control”-thing is to monitor your Linux system. You usually want to know what happens right now and how it affects the system. There are tools like iotop, cbm, htop, top, vmstat and so on, but none of [...]

When you buy the Acer Aspire One netbook in a shop it is usually equipped with a Windows XP, which drains too much power from the battery and often causes lags. I decided to install the Ubuntu distribution EasyPeasy, which still drains much power from the battery, but still is better than XP in my [...]

Some of you might have read my little tutorial about how to use Google Skipfish for web vulnerability scanning. While I was fascinated by the efficiency and speed of this application, I started to use it more often. Although manual testing can’t be replaced by a machine, web vulnerability scanners are still a helping hand. During [...]