Linux Tutorials and Command Line Guides
Learn Linux with step-by-step tutorials, command line examples, and system administration guides for Ubuntu, RHEL, CentOS, and more.
Welcome to the Linux tutorials section, your complete resource for mastering Linux commands and system administration.
This category covers everything from basic commands to advanced system-level operations across multiple distributions such as Ubuntu, RHEL, and CentOS.
Linux is the backbone of modern infrastructure, and understanding it is essential for DevOps, cloud computing, and system administration. You may also explore System Administration and Security for advanced topics.
What you will learn
- Essential Linux commands and tools
- File system and process management
- User and permission management
- Real-world troubleshooting techniques
Ideal for
- Beginners learning Linux
- System administrators
- DevOps engineers
331 articles
HackerRank Solution: Map Reduce Advanced - Count number of friends
The task is to count the number of friends each person has using a MapReduce framework. The input consists of multiple lines, each containing a pair of friend
Cannot assign requested address [SOLVED]
The "Cannot Assign Requested Address" error is quiet common in the network community and can be seen in various network-related and application specific
Install Specific Version with APT Package Manager
You can follow the below provided steps to install a specific version of package using APT package manager on Debian-based Linux distributions (like Ubuntu):
How to Create Dropdown List in SoftMaker PlanMaker
In this tutorial we will be covering different methods to create dropdown list in SoftMaker PlanMaker. Now this article assumes that you already have
How to upgrade CentOS 7 to 8 PROPERLY [100% Working]
The process of upgrading from CentOS 7 to CentOS 8 is not straightforward. There are significant differences between the two versions, including the
SCP vs RSYNC - Which one to use in Production?
This tutorial covers the basics and differences between SCP and Rsync, when to use each, their performance, security considerations, practical examples, and …
3 Simple Methods to Install HPLIP on Ubuntu
This tutorial will guide you through step by step instructions to install HPLIP on Ubuntu, covering prerequisites, installation methods, fixing common issues, …
How to Install and Configure PostgreSQL on Ubuntu?
This tutorial guides you through step by step instructions to install PostgreSQL on Ubuntu, including system preparation, secure installation, basic …
How to install ImageMagick on Ubuntu? [2 Methods]
This tutorial will guide you through step by step instructions to install ImageMagick on Ubuntu, covering various methods like APT and compiling from source. …
Steps to Install Darktable on Ubuntu [4 Methods]
In this tutorial, we'll guide you through steps to install Darktable on Ubuntu, a powerful photo editing tool. We'll cover different methods including APT, PPA, …
How to extract specific file, link & folder from tar.gz
In this tutorial, we'll explore how to extract specific files, folders, and symbolic links from a tar.gz archive, using straightforward command-line techniques …
How to Install and Configure Memcached on Ubuntu?
This tutorial will guide you through detailed steps to install and configure Memcached on Ubuntu. We'll cover the installation process, setting up the …
How to Install Chkrootkit on Ubuntu? [Step-by-Step]
This tutorial guides you through the steps to install chkrootkit on Ubuntu, including various installation methods, verifying the installation, basic usage, …
3 Simple Methods to Install Joplin on Ubuntu
This tutorial will guide you through steps to install Joplin on Ubuntu, covering different installation methods (official script, Snap, Flatpak), launching the …
Simple Steps to Install Caddy Web Server on Ubuntu
Step by Step instructions to install caddy web server on Ubuntu. The article also demonstrates steps to setup your first webserver using Caddy.