What are Bash variables and how to use them effectively
Bash variables are named storage units that hold data values for reference and manipulation within the Linux command line environment. In shell...
16 VPS security tips to prevent attacks on your server
Knowing how to secure your Linux virtual private server is important to avoid cyber threats. However, this is not a one-time task – in addition...
How to Use SCP Command to Copy and Transfer Files in Linux
Secure copy protocol (SCP) is a command that enables efficient and secure file transfers between two systems over a network. It uses Secure Shell...
How to remove a directory in Linux: Deleting files and folders using rmdir and rm commands
Learning the Linux command line is essential for system administrators, as it’s widely used for virtual private server hosting. While you can...
Iptables tutorial: securing VPS with Linux firewall
Are you looking for a comprehensive iptables tutorial for your VPS? This article will show you how to install and use iptables on an Ubuntu system....
How to list users in Linux: Commands, tools, and automation tips
To list users in Linux, the most common method is to read the /etc/passwd file, which stores essential information about every account on the...
How to edit the sudoers file to obtain and manage root privileges
The sudoers file is a critical configuration file in Linux and Unix-like operating systems that controls user privileges. It defines who can execute...
How to Use the Linux tee Command With Useful Examples
Navigating Linux commands can be intimidating, but the more you learn, the easier it gets. The Linux tee command is a versatile tool that streamlines...
How to Use the Linux sed Command in 2026 With Useful Examples + Free Linux Cheat Sheet
The Linux sed command lets you find, replace, insert, and delete lines in a file without opening it using a text editor. Suitable for piped input and...