Mastering Linux NetworkManager and its nmcli
In this post I want to summarize some commands you can use in your daily work to configure the network…
Register SUSE Linux Enterprise Server with SUSEConnect to the SUSE Customer Center (SCC)
To be able to receive updates and getting immediate access to the update repository, you need to register (activating) SUSE Linux Enterprise Server with the SUSE…
Mastering the Firewall on SUSE Linux Enterprise Server
Whenever Linux is used in a network environment, you can use the kernel functions that allow the manipulation of network…
Enable Timestamps for Linux History Command
To show timestamps besides the listed commands when using the Linux history command, we first need to export the HISTTIMEFORMAT…
Cheat Sheet Vi & Vim Editor
Below I want to summarize some useful commands to deal with the iconic vi (pronounced vee-eye) and vim (Vi Improved) editor….
How to monitor Windows Clients in Checkmk
In my last post we saw how we can monitor VMware vSphere environments in Checkmk. In this post we will…
How to monitor VMware vSphere Environments in Checkmk
In my last post we saw how to set up Checkmk on SUSE Linux Enterprise Server 15 SP5, now in…
Set up Checkmk on SUSE Linux Enterprise Server (SLES)
In this post we will see how to set up Checkmk on SLES 15 SP5 and how to secure the…
Restore/Register a VM or VM Template in vSphere
In case you lost a VM or VM template in vSphere when rebuilding the vCenter server from the scratch or…
Regenerate Self-Signed ESXi Host Certificates after changing Hostname
By default the self-signed certificates on your ESXi hosts will have a common name of localhost.localdomain. So after changing the…
