Install VMWare Tools for pfSense in vSphere
For pfSense we can’t install the VMware Tools as usual in vSphere and the link below will not work. Fortunately…
VMware ESXi change /etc/hosts by using the ESXCLI
Because of changing the IP addresses of my ESXi Hosts and the vCenter appliance, I also wanted to adjust the…
Linux Execute Shell Scripts – Source script.sh vs ./script.sh vs exec ./script.sh vs. bash script.sh
In Linux executing ./my_script.sh and source my_script.sh are two different ways to run a shell script, but they behave differently…
What is PowerShell Dot Sourcing?
Dot sourcing in PowerShell is a method used to execute a script or a function in the current scope rather…
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…
