Category Linux

Bash is a commonly-used shell in many Linux distributions. Bash is a command interpreter.  It is a command-line–only interface containing a handful of built-in commands; it has the ability to launch other programs and to control programs that have been…

Ubuntu is a very popular Linux distribution. Many Linux beginners want to learn it but don’t know how to start. Today we will look at how to install Ubuntu system in 2 minutes. After we install it, we can use…

Networking is a foundational skill for any Linux administrator, developer, or aspiring IT professional. For those working with Ubuntu, a deep understanding of its command-line networking tools is not just beneficial but often a prerequisite. This expanded article will delve…

This is a detailed example to learn the difference between hard links and soft links in Linux. Create two files: $ touch foo; touch bar Enter some Data into them: $ echo “Cat” > foo $ echo “Dog” > bar…

Hard links and symbolic links are very confusing for Linux beginners. Today we will look at the differences between these two links. Hard Links In Linux By default, every file has a single hard link that gives the file its…

In this tutorial, we will learn how to install GUI ( graphical user interface ) on Ubuntu server 20.04. We will install ubuntu-desktop in the following example. Four steps to install GUI on Ubuntu Server:   What is Ubuntu? Ubuntu…

TCP connection status is a key metric to troubleshooting TCP related network issues. We collect four basic connection status to help you understand what these metrics mean. From these metrics, we can tell that the issue happens from server-side or…