Category

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 run memtest on Ubuntu? [SOLVED]

Memtester is a memory testing program designed to stress test and test the system's random access memory for errors by writing test patterns to most memory

By omercakmak · 5 min read · linux

How to update Flameshot in Ubuntu? [SOLVED]

Step by Step instructions to update flameshot in ubuntu using default package manager or by downloading the latest flameshot archive from official reporsitory

By omercakmak · 3 min read · linux

How to undo rm in Linux? [100% Working]

We can use trash utility to undo rm in Linux. ALternatively there some precaution measures which can be adapted to avoid removal of important data in Linux.

By omercakmak · 8 min read · linux

Learn Linux wheel group usage [With Examples]

Learn what is the significance of wheel group. Any user part of this group gets root level access so this should be used cautiously. Add or remove users from …

By omercakmak · 5 min read · linux

Install YARN on Linux and Windows [Step-by-Step]

Step by Step instructions to install yarn on Linux and WIndows. Installation on Ubuntu (Debian based) and Rocky Linux (Red hat based) and Windows.

By omercakmak · 7 min read · linux

Install Oh My Zsh on Linux [Step-by-Step]

Step by Step instructions to install Oh My Zsh on different Linux distributions such as Ubuntu, Red Hat, CentOS, Debian, OpenSuSE, Arch Linux

By omercakmak · 4 min read · linux

bash: curl: command not found [SOLVED]

The most common causes for bash: curl: command not found error is either curl package is not installed or the PATH variable does not contain the path to curl …

By omercakmak · 3 min read · linux