Sometimes you may need to generate strong pre shared key in Linux. Here are the steps to do it.
CentOS/RHEL
How to Run Command After Certain Time in Linux
How to Set SSH Warning Message in Linux
How to Get Unique IP Address from Log File
Often website administrators need to extract unique IP address from log files. Here are the steps to do so.
How to Overwrite Input File in Awk
Sometimes you may need to save awk modifications in place. Here is how to overwrite input file in awk command.
How to Show File Without Comments in Linux
Sometimes you may need to view file contents without comments in Linux. Here are the steps to do so in Linux.
How to Evaluate Expression in Shell Script
What does ${} and $() mean in Shell Script
Command substitution and parameter substitution are important features of Linux Shell. Here are the key differences between them.
How to Run C Program in Linux
Sometimes you may need to run C Program in Linux. In this article, we will learn how to run C program in Linux system.