Category

Linux Tutorials and Command Line Guides - Page 17

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.

Browse by distribution using the cards below — RHEL family (RHEL, Rocky Linux, AlmaLinux, CentOS, Fedora) and individual APT-based hubs (Ubuntu, Debian, Kali Linux, Linux Mint) — then see featured articles and the full article list.

639 articles

Linux category illustration with terminal, commands, permissions, and troubleshooting features

All Linux articles

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pam_tally2: lock user account after X failed login attempts in Linux

Use pam_tally2 to lock user account in Linux after X failed login attempts. Lock root and normal user, exclude users and group from being locked out.

Deepak Prasad13 min read
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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

Deepak Prasad3 min read
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10 Best Open Source VPN Software for Linux in

Top 10 Open-Source Vpn Software for Linux. Check out our list and the pros and cons for every VPN software and choose what suits you best.

Deepak Prasad11 min read
linux

Migrate CentOS 7/8 to Rocky Linux 8

Step by Step guide to upgrade or migrate CentOS 7 and 8 to Rocky Linux 8. There will be no data loss during the migration.

Deepak Prasad5 min read
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How to Upgrade CentOS 7 to CentOS 8

The process of upgrading from CentOS 7 to CentOS 8 is not straightforward. There are significant differences between the two versions, including the

Deepak Prasad10 min read
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Yersinia GUI not working on Kali Linux

Lately while working on Kali Linux I encountered this error when trying to execute yersinia -G and the Yersinia GUI was not working.

Deepak Prasad2 min read
linux

Install Kali Linux on Android Devices

Step by step instructions to install kali linux on android with screenshots. Even though we have successfully installed a full-featured Kali Linux on Android device, running some utilities that require root permission on …

Deepak Prasad8 min read
linux

How to Install Nvidia Drivers on Ubuntu

This tutorial guides you through step by step instructions to install Nvidia drivers on Ubuntu, covering different methods like GUI, command line, and PPA repository. It includes compatibility checks, manual …

Omer Cakmak10 min read
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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, and Flatpak, launching the program, and some basic tips for …

Deepak Prasad8 min read
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Install Kali Linux on Apple M1 Mac with UTM

Step by step instructions to install Kali Linux on Apple M1 Laptop using UTM

Deepak Prasad8 min read
linux

Setup IPv4 UEFI PXE Boot Server Ubuntu 20.04 [cloud-init]

Step by Step instructions to install and setup ipv4 UEFI PXE Boot Server for automated installation of Ubuntu 20.04 using cloud-init configuration file.

Deepak Prasad17 min read
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Setup PXE Boot Server using cloud-init for Ubuntu 20.04

Step by step instructions to install and configure PXE boot server to perform automated installation of Ubuntu 20.04 using cloud-init configuration file

Deepak Prasad17 min read
linux

How to remove vector nth element in C++?

In this article we will learn c++ vector remove nth element. Vectors are a part of the c++ STL library. They are containers but can change memory at runtime.

Azka Iftikhar3 min read
linux

Dual boot Ubuntu with Kali Linux [Step-by-Step]

Step by step instructions to dual boot Ubuntu with Kali Linux. Choose default boot menu.

Deepak Prasad10 min read
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Recover Lost Files PartedMagic

Parted Magic is a commercial Slackware-based Linux distribution that comes with partitioning and data recovery tools. The distribution's name is derived from

Omer Cakmak7 min read
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How to install and setup ZFS in Rocky Linux 9

Install and Setup ZFS in Rocky Linux 9 with examples to create a ZFS Pool

Omer Cakmak15 min read
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Create Stratis Snapshot, Restore Stratis FileSystem & more (CentOS/RHEL

Steps to create stratis snapshot, restore stratis file system, remove or destroy snapshot, pools, stratis file systems using examples in RHEL 8 Linux

Deepak Prasad8 min read
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PROPERLY recover lost files Linux

Step by Step instructions to recover lost files in Linux using photrec with screenshots

Omer Cakmak2 min read
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Top 15 tools to monitor disk IO performance with examples

Top and best tools to check and monitor disk IO performance with disk IO statistics and disk stats with examples. Linux disk usage with iostat, vmstat

Deepak Prasad17 min read
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How to install Zabbix on Rocky Linux 8

Step by step instructions to install and configure zabbix on rocky Linux 8

Deepak Prasad7 min read
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Linux File Descriptors [In-Depth Tutorial]

In this tutorial we will explain everything you need to know about Linux File Descriptors.

Omer Cakmak15 min read
linux

How to Install XeroLinux?

Step by Step instructions to install xerolinux with screenshots.

Omer Cakmak4 min read
linux

Install OpenTracker on Debian [Step-by-Step]

Looking to install OpenTracker on Debian? This step-by-step guide provides instructions on how to set up this real-time GPS tracking software on one of the most popular Linux distributions.

Omer Cakmak5 min read
linux

Install GameMaker Studio on Linux

GameMaker Studio is a popular game development tool used by many indie game developers around the world. It provides an easy-to-use interface and powerful

Omer Cakmak4 min read
linux

How to install PostgreSQL Rocky Linux? [SOLVED]

Step by step instructions to install postgresql from default repository or from online archive. You can download and install custom postgresql version from their official repositories

Omer Cakmak4 min read
linux

Dual boot Windows 10 and Linux [Step-by-Step]

Step by step instructions to dual boot windows 10 and kali linux with screenshots. Install and run both Windows 10 and Kali Linux side by side

Deepak Prasad8 min read
linux

5 tools to create bootable usb from iso linux command line and gui

Learn to create bootable usb from iso linux command line. dd iso to usb burn iso to usb linux ubuntu debian. how to make bootable pendrive in linux

Deepak Prasad8 min read
linux

Create Kali Linux bootable USB [3 Different Methods]

Different methods to create kali linux bootable USB such as Rufus, Balena Etcher, dd command in Linux

Deepak Prasad6 min read
linux

PROPERLY disable IPv6 in Rocky Linux

IPv6(128-bit address) is a protocol that will replace the IPv4(32-bit address) network protocol and provide a much larger network address space usage. It is

Omer Cakmak5 min read
linux

How to run memtest on Ubuntu?

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

Omer Cakmak5 min read