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
How to List Groups in Linux and Check User Group Membership
Learn how to list groups in Linux and check user group membership using commands like groups, id, getent, compgen, and /etc/group. This guide explains how to …
How to install Notepad++ in Linux? [SOLVED]
In this article, we will explain how to install Notepad++ on the Linux operating system.
How to Edit a File in Linux? [SOLVED]
In Linux operating systems, everything is a file. There are daily routine tasks within the system such as turning new features on or off or editing files. An
How to ignore certificate check in wget? [SOLVED]
wget is a popular command for downloading files from the internet with protocols such as HTTP, HTTPS, and FTP. With the terminal emulator you use, you can
How to create user in Linux? [SOLVED]
If you have not integrated Linux servers into a central user authentication such as LDAP/Active Directory, you will have to create local users many times.
How to install 32bit application with Wine? [SOLVED]
Wine is a free application that enables Windows software to run on POSIX- compliant operating systems such as Linux and Mac OS X. Wine stands for "Wine Is Not
PROPERLY recover lost files Linux [100% Working]
Step by Step instructions to recover lost files in Linux using photrec with screenshots
wget command not found [SOLVED]
There are two possible reasons for wget command not found error. Either the wget package is not installed on your server or PATH variable is wrongly set.
How to DROP connection in IPTABLES? [SOLVED]
iptables is a GPL licensed utility that allows the Linux kernel firewall to configure IP packet filter rules. Filters are organized in different tables that
How to set FFmpeg output directory? [SOLVED]
FFmpeg can be used by end users and system administrators. Specifying FFmpeg's output directory may be different for the 2 user types. In this article "How to
Recover Lost Files PartedMagic [100% Working]
Parted Magic is a commercial Slackware-based Linux distribution that comes with partitioning and data recovery tools. The distribution's name is derived from
How to enable UTF-8 in Linux? [SOLVED]
If you are working on Linux operating system, you should use these converters. If you have received a warning/error regarding UTF-8, read this post. In this
How to set SFTP umask in Linux? [100% Working]
In this tutorial I will share the steps to set umask for SFTP connections. I will not go into the details on what is umask and how to set umask in Linux. You
Increase sound more than 100 in Ubuntu? [SOLVED]
VLC and some media players allow you to increase the volume up to 200%. In the operating system, it is possible to increase the volume as the system allows.
Convert CentOS 8 to Rocky Linux 8 [100% Working]
As you know, CentOS Linux 8 became the end of life on 31 Dec 2021. It will now continue its life as CentOS Stream 8. Many people/organizations using CentOS