This article will show you how to list users in Linux systems.

If you want to change the size of your swap file just follow the following steps.

In this article we will use python subprocess to run shell comand and capture its output.

In this article, we will show three different ways to find the process listening on a specific port in Linux.

To avoid openssl and TLS version issue we will update openSSL on server and desktop version of Ubuntu 18.0. We will download it manually, install and make necessary file permission changes.