Teaching Mailcow how to deal with Ham/Spam
The good must be put in the dish, the bad you may eat if you wish. Cinderella Mailcow is a groupware solutions, that is mainly...
2023-01-05
Using the MacOS airport utility
Using the MacOS airport utility. Sometimes you need to gather information abouth your current WiFi Connection of you Mac via CLI only (maybe you...
2023-01-03
How to disable the www-data user to send emails with postfix
Sometimes an insecure configuration allows spammer to use the www-data user to send emails with you postfix server. Normally this is the case, when...
2018-01-27
20min Handson ZFS
ZFS is often called the last word in file systems. It is a new approach to deal with large pools of disks originally invented...
2017-12-12
solving Security Error while starting Java WebStart (e.g. IPMI Remote)
Most of the IPMI Systems out there still using good old Java based Remote Applications to connect to the remote console. Sine Java 8...
2017-05-04
Install CoreOS on Proxmox
Some words before we start… Hello Blog, it’s been a while. I still have to deliver the last part of the Munin Plugin Development...
2015-09-29
Writing Munin Plugins pt3: some Stats about VMWare Fusion
In a project where we had the need for VMs being capable of doing CI for Java and also doing CI for iOS Application...
2014-12-05
Adding Background Image to SVG Circles
If you want to create nifty Graphics and Animation in the web, you cannot avoid d3.js. D3.js uses SVG as the basic Displaying Technologie....
2014-08-18
Disable GitHub Image Cache for CI Build Badges
Since some time, GitHub caches Images, that are linked in Wiki-Pages or Readme files. That’s not optimal, when you want to display current states...
2014-08-03