How to set up passwordless SSH on Linux
Due to its reliability and security, the secure socket shell (SSH) is the most common way to interact with a remote server. However, using this...
How to kill a process in Linux from the command line
In Linux, managing running processes can help maintain system health and performance. Sometimes, you might need to terminate a process to free up...
How to use the Linux dig command
The dig command, short for domain information groper, is a powerful network tool for querying domain name system (DNS) servers. It helps diagnose and...
How to Use the Linux Shutdown Command in Ubuntu and CentOS
Most of the popular Operating systems out there allow you to shut down your PC or laptop with different methods. Linux operating systems also has ways...
How to Use Unzip Command in Linux
To unzip, Linux users can apply a command utility similar to other compression formats, such as tar and gzip. Understanding how to use the unzip...
What Is Linux tail Command and How to Use It With head Command
The Linux tail command displays the latest content from the end of a chosen file or files directly to the screen. This function is useful for...
How to use the tar command for archiving and compressing files in Linux
tar stands for tape archive and is a widely used Linux command-line utility for archiving and compressing files. Developed initially to back up data...
How to change a hostname in Linux
A Linux hostname identifies systems within a network, enabling them to identify and communicate with one another correctly. Assigning a unique...
How to List Installed Packages on Ubuntu 2026
As a server administrator, understanding how to list software packages installed in an Ubuntu system is crucial. It is useful for various tasks, such...