Are you irritated by the following permission denied error in Docker? Then, most probably, you are running your Docker commands as a non-super user or without a sudo as a…
VLC (stands for "VideoLAN Client") is the world's number one open-source media player for Windows and Linux systems that is freely available for anyone to use. It supports a wide…
Whenever you log in to your remote server running on Ubuntu via SSH, you encounter the following SSH welcome screen: This screen is usually shown to users when they connect…
direnv is an open-source extension to your current shell for UNIX-based operating systems like Linux and macOS. It supports hooks for multiple shell startup files, such as bash, zsh, or…
There are multiple ways to read the content of a file in Linux. It includes GUI and CLI, and one of the most frequently used is the cat command. What…
Linux administrators have to be aware of existing users in the Linux system for different reasons, like finding out their roles or privileges. This all requires knowledge of the commands,…
Regular users are restricted from many activities to prevent accidental events or unauthorized access to system files. In Linux, the only root user has permission to execute system-level commands. A…
Have you ever gotten annoyed when executing a specific command that requires sudo to ask for a password? If you are a root user, you don't have to type the…
You may be paying less attention or ignoring it because of the effort. In Linux, whenever you open the terminal or any other application, such as a file manager, they…
If you are a system administrator maintaining a system with many users or a person holding a lot of accounts in your system, then you need to understand the importance…