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 … More

20min Handson ZFS

ZFS is often called the last word in file systems. It is a new approach to deal with large pools … More

Most of the IPMI Systems out there still using good old Java based Remote Applications to connect to the remote … More

Some words before we start… Hello Blog, it’s been a while. I still have to deliver the last part of … More

In a project where we had the need for VMs being capable of doing CI for Java and also doing … More

If you want to create nifty Graphics and Animation in the web, you cannot avoid d3.js. D3.js uses SVG as … More

Since some time, GitHub caches Images, that are linked in Wiki-Pages or Readme files. That’s not optimal, when you want … More

Preamble Every Munin Plugin should have a preamble by default: #!/usr/bin/env perl # -*- perl -*- =head1 NAME dar_vpnd a … More

Writing your own Munin Plugins Around February this year, we at innoQ had the need for setting up a Mac … More

At the Lisa ’13, some folks from Google did a talk how they managing all their Desktop (and Server?) Macs … More