Setup check_mk

Check_MK is a monitoring solution which is originally based on Nagios. It has been extended with a nice web gui including a lot of new features which simplify the setup of a monitoring system. It is available as Enterprise edition and as RAW (Open Source) edition. There is a limited english documentation available. Steps […]

Virtualisation VMware vSphere

VMware tools repository

You can install the VMware tools using the Wizzard in the vSphere client but this is not the best solution. VMware is offering an repository which you can use to install the VMware tools using your package manager. URL of the repository: Example for Redhat 6 64bit running on ESXi 5.5: cd /etc/yum.repos.d/ vi […]

ESXi PowerShell Scripts VMware vSphere

Collect ESXi stats with powershell and send it to Graphite server

I was not quite happy with the statistics from the vCenter. It is not possible to get an overview overall my ESXi servers. :-( Someone pointed me to the tool Graphite that this is a cool solution to visualize such kind of statistics. So I decided to give it a try. I created and virtual […]

CentOS Software Management

OpenSource RedHat Satellite Server – Spacewalk

I found this software during my search for a management solution for a virtual appliance farm running hundreds of CentOS based virtual machines. As CentOS is binary compatible to RedHat it makes sense to use a RedHat satellite server equivalent for software management. Spacewalk is an open source (GPLv2) Linux systems management solution. It is […]