Admin Tools

How to monitor dedicated servers (IMHO)

I have been playing with monitoring applications and servers for a while now and especially like Prometheus and Grafana. In this post I'll try to show how I monitor a small group of dedicated servers....

How to change/remove the Ubuntu Server login banner

If you've ever used a freshly installed Ubuntu Server (since 14.x), you definetly noticed the login banner that shows information scraped from the web. This might be Ubuntu news, updates or some other stuff....

The ultimate Docker cleanup command

If you use Docker, you might have some problems with all those images you build during development polluting your hard drive. Good thing is, if you want of that stuff gone, there is a neat oneliner that will do exactly that!...

How To: Install Xen Orchestra from source

XenOrchestra is a great tool to manage your Xen servers with a single web interface. It is particularly interesting for me, because it can install missing...

How to install OpenXenManager on macOS Sierra

This guide will walk you through the installation of the open source implementation of the Citrix XenCenter called OpenXenManager. The application is used as a graphical...