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

332 articles

How to PROPERLY test port connectivity in Linux

Multiple methods and commands to test port connectivity between Linux server and client with examples. Check availability of multiple ports in Linux for …

By Deepak Prasad · 6 min read · linux

Getting started with Terraform - Tutorial

Step by step instructions to install terraform on Ubuntu. Deploy AWS EC2 Instance (Infrastructure) using terraform with screenshots and code examples.

By Deepak Prasad · 13 min read · linux

Install MongoDB on AlmaLinux 8 [Step-by-Step]

Step by Step instructions to install mongodb on AlmaLinux 8. Access mongodb shell, create admin user, establish a connection with mongodb server using a …

By Deepak Prasad · 5 min read · linux

[SOLVED] pip command not found in Ubuntu

There are two different versions of pip which you can install to solve the error i.e. pip command not found in Ubuntu 20.04 Linux. Step by Step instructions to …

By Deepak Prasad · 4 min read · linux

Install Nodejs and NPM on Raspberry Pi

Step by step instructions to install nodejs and npm on raspberry pi. 2 different methods to install and configure nodejs and npm on raspberry pi

By Deepak Prasad · 6 min read · linux

Steps to format SD Card in Linux [100% Working]

Step by step instructions to format SD card using 3 different methods in Linux. Using file manager, gparted and fdisk to format sd card in Linux

By Deepak Prasad · 7 min read · linux

Tutorial: Setup VNC Server CentOS 8

How to setup tigervnc server on CentOS 8, Different limitations with the newly released tigervnc server package, How to connect to vnc server using vncviewer …

By Deepak Prasad · 9 min read · linux

SSH into VirtualBox VM

2 different methods to ssh into virtualbox vm using bridged adapter or NAT with prot forwarding

By Deepak Prasad · 12 min read · linux

Samba Active Directory Setup

Step by step instructions to setup Samba Active Directory on Rocky Linux 8. Join WIndows Client to Samba Domain Controller

By Deepak Prasad · 10 min read · linux

Install WireGuard VPN Rocky Linux 8

Step by step instructions to install wireguard VPN on Rocky Linux. Configure network, firewall and test the VPN

By Deepak Prasad · 8 min read · linux

Setup Grafana with Prometheus Rocky Linux 8

In this guide, we shall setup Grafana with Prometheus on Rocky Linux 8, we will use Grafana instance on the same server so that we can visualize metrics …

By Deepak Prasad · 8 min read · linux