What’s the Difference in Linux between the Commands SU – vs. SU without the Dash
The difference between su – and su in Linux is primarily related to how they handle the user environment after…
Using Match Directives in SSH (Secure Shell)
The Match directive in SSH (Secure Shell) configuration files is used to apply specific settings conditionally based on criteria such…
Changing SSH Port on SELinux – Error: Bind to port failed: Permission denied
In case you want to change the default SSH port 22 on your system and you are running into the…
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…
Linux LVM – Remove Volume Groups and Logical Volumes
In this post I want to show how we can remove LVM Volume Groups (VGs) and Logical Volumes (LVs) in Linux. Remove Logical Volumes In order…
Linux LVM – Rename Logical Volumes
We can rename LVM logical volumes by using the lvrename command. Below I will rename the logical volume named data1…
Linux LVM – Create a new Volume Group and Logical Volumes
In this post I want to show how we can create a new LVM Volume Group (VG) and Logical Volumes…
Best Practice for vCenter Server Version and ESXi Host Version
In general the vCenter version should be always greater or equal to the ESXi Host version. Nevertheless connecting an ESXi…
Cheat Sheet – File System Commands in Linux
In this post I want to list some useful commands to determine specific file system information you sometimes need to…
Turn off read receipts in Microsoft Teams
Below I want to show how you can turn off read receipts in Microsoft Teams. Read receipts in Microsoft Teams…
