Sorted:

How to update the Ubuntu system?

How to check the version information of the current Linux system?

How to find specific files or directories in Linux

How to install software packages on Ubuntu?

How to Install Nginx server on Ubuntu

How to create a new user on Ubuntu?

How to configure a static IP address on Ubuntu?

How to compress and decompress files or directories in Linux

How to view running processes in Linux

How to check system information in Ubuntu?