In this tutorial, I will take you through 7 Simple Steps to Install MTR(My traceroute) on Linux(RHEL/CentOS 7/8). MTR is an open source command line Network diagnostic tool which …

In this article, I will take you through the steps to Install and Use i3 Window Manager on Ubuntu 20.04. i3 is a free and open source window tilling …

In this article, we will look into all the postfix mail server issues and the steps to resolve those issues. There are many errors one can get while trying …

Do you want to suppress or hide all the output of a Linux Bash Shell Script ? Do you want to redirect all the output to /dev/null ? Are …

In this tutorial, I will take you through 25 Practical and Useful RPM Command Examples in Linux. An RPM is a special archive file that contains software packaged for …

If you are are programmer or developer then you might have felt or encountered the necessity to change time to epoch time using date utility in Linux or Unix …

In this article, I will take you through the steps to Install jq(JSON Processor) on RHEL/CentOS 7/8. If you are working with JSON then you might be aware of …

In this article, I will take you through the steps to defragment an xfs filesystem in Linux. Before we go the defragmentation of an xfs filesystem it is very …

In this article, I will take you through the steps to Install Arpwatch tool on RHEL/CentOS 7/8. Arpwatch is an open source tool used in the Linux Based Servers …

It is not very uncommon for Python Programmers or Researchers to get the error "ModuleNotFoundError No module named 'numpy'" while trying to run their python program. It usually happens …