Pstree displays the process parent-child relationship in a hierarchical format on Linux. We can use this command to find the parent or child process easily. The output of this command is quite similar to the output of the ps axjf command…
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…
In Linux, a link is a way to reference the same file by more than one name. There are two kinds: hard links and soft links (also called symbolic links or symlinks). They look similar at first, but they behave very differently under the hood. In…
Links let you reference one file by more than one name. Linux gives you two kinds: hard links and symbolic links (symlinks, also called soft links). Both are created with the ln command, but they work very differently. This guide focuses on the ln command syntax, real use…
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…
When a Linux server feels “slow under load,” the problem is often not CPU or memory—it’s what’s happening at the TCP connection layer. Every second, the kernel counts how many connections it initiates, how many it accepts, and how many…
File system is an important part of Linux world. We collect 10 useful file system concepts below to help you understand what file system is. Important File system Concepts
Raw IO and Direct IO are both bypassing file system cache. Here are more details about these two IOs. This can help us understand the difference and troubleshoot easier when we get a file system issue. Difference Between RAW IO…
