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
332 articles
Featured guides in this category
Hand-picked, most-cited tutorials — start here if you're new.
How do I install the Linux library libc.so.6
In this tutorial we learn how do I install the linux library libc.so.6. There are 3 possible scenarios: …
How to check the lock status of any user account in Linux
In this article I will share different methods to check the lock status of a user in Linux or Unix …
![How to install Anydesk on AlmaLinux 8 [Step-by-Step]](/install-anydesk-on-almalinux-8/install_anydesk_hu_1f4ec917374ba52d.webp)
How to install Anydesk on AlmaLinux 8 [Step-by-Step]
Step by step instructions to install anydesk on almalinux 8 with screenshot and examples
Downgrade Ubuntu to previous version?
Step by Step instructions to download Ubuntu to previous release
Restart Crontab in Linux (Cron Reload & Restart Commands)
Learn when and how to restart crontab in Linux. See cron restart and reload commands for Ubuntu, Debian, RHEL, CentOS—and when a restart is NOT required.
zsh: command not found: pip – Fix with pip3 & PATH in 2 Minutes
We explore the different root cause for getting zsh: command not found: pip error in Linux and how to fix those errors.
Remove dot(.) in Linux Permissions the RIGHT way!
Step by step instructions to remove dot in Linux permission section for file and directory. What is the meaning of having dot (.) in the end of Linux permission …
Get SFTP version of remote server in Linux
3 different methods to connect to remote server and get sftp version in Linux. The proper way to get sftp version in Linux with examples
5 commands to copy file from one server to another in Linux or Unix
commands to copy file from one server to another in Linux or Unix with examples using sftp scp rsync sshfs nfs. copy using shell script between two machine
Cinder vs Swift storage in OpenStack - Basic Difference and Comparison
Understand what is the difference between cinder vs swift storage OpenStack. Compare cinder vs swift storage in OpenStack with logical architecture diagram.
Fix: cpio premature end of archive, List (lsinitrd) & Extract initramfs in RHEL Linux
How to extract/unpack/uncompress the contents of the initramfs image on RHEL7 and RHEL8? How do I list initramfs image file content? How do I modify the …
How to check the lock status of any user account in Linux
In this article I will share different methods to check the lock status of a user in Linux or Unix environment. Using these commands and methods you can
How to configure remote port forwarding (openssh & firewall)
How to configure remote port forwarding to bypass firewall openssh. The tunnel is initiated from server-host back to the client. Port forwarding using firewalld …
Securely transfer files between two hosts using HTTPS in Linux
How to configure apache http server to transfer files? Steps to configure apache HTTP server over TLS/SSL to transfer files. How to configure Apache server
Solved: Boot into rescue mode without password (RHEL/CentOS)
difference between rescue mode and emergency mode in linux, rescue mode in linux linux emergency mode repair, rescue mode in linux, grub rescue mode
Step-by-Step Tutorial: Install and configure vnc server RHEL/CentOS 7
Install and Configure VNC Server in CentOS 7 or RHEL 7. Step by Step Guide with examples to install Tiger vnc server in CentOS 7. Install VNC Server on CentOS 7 …
Step-by-Step: RHEL/CentOS 8 installation with screenshots
Step by Step Installation Guide for Red Hat Enterprise Linux 8 Beta. Install RHEL 8 Beta with screenshots. How to install RHEL 8 Beta Linux with images.
How to PROPERLY change mount point name in Linux
Step by step instructions to change mount point name in Linux. Change mount point name without any downtime or any data loss. 100% risk free steps.
How to Install PowerISO on Linux [Step-by-Step]
Step by step instructions to install poweriso in Linux. Install PowerISO using GUI or Terminal manager in Ubuntu, Debian, Red hat, CentOS and any other …