With MacOS Catalina (10.15), Apple decided to decrease the possibilities of system users to install software applications within the system. … More
Category: Tooling
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
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 … More
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 … More
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 … More
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 … More
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 … More
Writing Munin Plugins pt2: counting VPNd Connections
Preamble Every Munin Plugin should have a preamble by default: #!/usr/bin/env perl # -*- perl -*- =head1 NAME dar_vpnd a … More
Writing Munin Plugins pt1: Overview
Writing your own Munin Plugins Around February this year, we at innoQ had the need for setting up a Mac … More