Linux Tutorials

Linux Tutorials (Latest Tutorials)

Screen recording and taking screenshots in RHEL

This tutorial explains how to record the screen and take screenshots in RHEL Linux.

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Automatically starting an application at startup

This tutorial explains how to start an application automatically at startup in RHEL Linux.

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Starting an application in RHEL Linux

This tutorial explains how to start an application in RHEL Linux.

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Removing the logout and switch user features

This tutorial explains how to disable the logout and switch account features in RHEL Linux to prevent users from switching accounts or logging out.

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Customizing GNOME power button settings

GNOME is the default desktop on RHEL Linux. When you press the power button, it suspends the system. You can modify this setting to customize the action it should take when the power button is pressed. This tutorial explains how to override the default power button behavior. Prerequisites A RHEL system with GNOME desktop The […]

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Customizing Screen Saver on RHEL Linux

This tutorial explains how to create a custom screen saver or shield on RHEL Linux.

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Linux Tutorials (Previous Tutorials)

Locking the Desktop Background on RHEL Linux

Customizing the login screen logo on RHEL Linux

How to Enable Automatic Login on Linux

Running Applications in a Flatpak Sandbox on RHEL

Screen or Desktop Sharing on Linux Explained

Listing files and directories in Linux

Linux File System Hierarchy Explained

Differences between RHEL 9 and RHEL 10

The find command in Linux

The ping and traceroute or tracert commands

Running and Moving Jobs to Background and Foreground

Building, Testing, and Verifying a Custom RPM

Basic concepts and fundamentals of SELinux

SELinux Booleans Explained with Examples

Copying, Moving, and Archiving Files with SELinux Contexts

SELinux Modes Explained with Examples

SELinux Contexts for Users, Processes, and Files

SELinux and AppArmor Differences and Terminology

Differences between CLI and GUI Explained

SUID, SGID, and Sticky Bit Explained

The cron on Linux Explained with Examples

Linux Disk Quota Explained with Examples

Disk Quota Terminology Explained

Basic Concepts and Fundamentals of Disk Quota

Downloading and Installing VMware Workstation Pro

Downloading and Installing VirtualBox

Installing Ubuntu 24.04 on VirtualBox Windows

The gpasswd command Explained

The chage command Examples and Usages

Difference between the root user and super (sudo) user

The useradd command Explained

The /etc/gshadow File Explained

The /etc/group File Explained

Managing Basic Networking RHCSA Exam

How to configure IPv6 on Linux

Linux NetworkManager Tools and Utilities

Managing Linux NetworkManager

The ip Command v/s the ifconfig Command

Linux ip command Cheat Sheet

Predictable Consistent Network Device Naming

The locate command in Linux

The swap space on Linux Explained

The /etc/fstab file on Linux Explained

The mount command on Linux Temporary Mounting

The mkfs command on Linux

What is Linux

Linux File System Types Explained

Adding and removing hard disks in VMware Workstation

List, View, and Find Hard Disk Names in Linux

The output of the ls -l Command Explained

Listing Files and Directories on Linux

Internal and External commands in Linux

How to create, change, and delete aliases in Linux

The /etc/motd and /etc/issue files Explained

Linux Commands, Options, and Arguments Explained

Linux Graphical User Interface Explained

The dig command on Linux

Change or specify the DNS server to the nslookup command

nslookup command on Linux

How to configure reverse mapping on DNS name servers

How to configure a secondary or slave authoritative name server

How to configure a primary or master authoritative name server

How to configure DNS Forwarding and a forwarder name server

How to configure a caching only name server

DNS Server and Query Types Explained

DNS Basic Concepts, Fundamentals, and Terminology

The pointer (PTR) record and Reverse mapping Explained

The A, AAAA, and CNAME resource records

The MX record in a zone file explained

The NS Record, Glue Record, and Lame Delegation

The SOA Record Explained in the DNS zone file

Types of resources records in zone files

The TTL and ORIGIN directives in the zone file

DNS zone file Format, Configuration, and Directives

DNF Command on Linux Examples and Usages

Packages groups, Module Streams, and Module Profiles

The /etc/hosts, /etc/resolv.conf, and /etc/nsswitch.conf Files

How to set font and change font size on Linux Console

How to configure multiple IP addresses on Linux

How to change the hostname on Linux

The nm-connection-editor command on Linux

The nmtui Command and Utility on Linux

The nmcli command on Linux Examples and Usages

Understanding Linux Network Manager Fundamental

Linux ip address Command Usages and Examples

How to Find and Replace text Strings on Linux

Pipes in Linux Explained

Input Output Redirection in Linux

STDIN STDOUT STDERR in Linux

Different Types of Files in Linux

Linux file System and Naming Convention Explained

How to access or open a Shell in Linux

Linux Shells and Types Explained

Ubuntu Flavors: – Types of Ubuntu Explained

Difference between Linux distributions

What is Linux and how it works Explained

Tar command Compress and Extract Archives

Tar command Examples in Linux

Tar command options and syntax explained

How to use gzip and bzip2 Linux commands Explained

Vi and Vim Text Editors commands Explained

Vi and Vim Modes Explained through Examples

Features of Vi and Vim Explained with Differences

Changing Date and Time on Command line Terminal

Setting Date, Time, and Time Zone on Ubuntu Linux

How to use the info and pinfo commands in Linux

How to Use the man command in Linux

How to Use the help Command in Linux

Using the systemctl command to manage Systemd services

Shutdown, Reboot, Suspend and Hibernate a Linux System

Systemd Target Units Explained

Systemd Unit Configuration Files Explained

Systemd Units Explained with Types and States

Differences between SysVinit, Upstart and Systemd

Generate or Create a Large text file in Linux

How to Use the sort Command in Linux

How to install Ubuntu Linux from USB Pen Drive

How to install Ubuntu Linux Step by Step Explained

How to Install VLC Player in Ubuntu Linux

Enable Sound Service for root user in Ubuntu Linux

Set default Editor in Ubuntu and FileZilla

How to Install Komodo Edit on Ubuntu Linux

Install and Run Chrome as root in Ubuntu Linux

How to install and use 7zip in Ubuntu Linux

How to Enable and Disable Root Login in Ubuntu

ps aux command and ps command explained

Ubuntu show CPU and Memory usages in Top Bar

Permanently and Securely delete files in Linux

How to install FileZilla FTP client on Ubuntu

How to Update Firefox in Ubuntu Linux

XAMPP htdocs Permission issue and Fix in Ubuntu

Auto Start XAMPP at Startup in Ubuntu Linux

How to install XAMPP on Ubuntu Linux

Differences between Absolute path and Relative path in Linux

How to send messages or chat in Linux

Creating and Restoring Incremental backups

Use Extended Regular Expressions with grep command

grep regex Practical Examples of Regular Expressions

grep options, regex, parameters and regular expressions

Customize or change Shell command prompt in Linux

Linux Virtual Console and Terminal Explained

Password aging policy Explained with chage command

Linux Group Management Explained with Examples

Usermod Command in Linux Explained with Examples

Types of Users in Linux Explained with Accounts

The /etc/shadow file in Linux Explained with Examples

The /etc/passwd file in Linux Explained with Examples

How to Configure a Postfix Null Client Step-by-Step

File Management Commands in Linux Explained

Linux User Management Explained with Examples

How to Reset GRUB Password in Linux

Basic Linux Commands for Network Testing

Linux user Profile Management and Environment Variable

How to Configure and use Linux as a Router

Network Configuration Files in Linux Explained

How to Disable Local Login in Linux

How to configure SSH Server in Redhat Linux

How to Reset root Password in Linux

How to configure FTP Server in Redhat Linux

How to Configure LUKS File Encryption in Linux

How to Configure Syslog Server in Linux

Task Scheduling in Linux with cron and at command

How to Configure Samba Server in Redhat Linux

How to Configure NFS Server in Redhat Linux

Linux Environment Variables List, Set, Create & Remove

How to Configure DHCP Server in Linux

How to Configure Apache Web Server in Redhat Linux

Linux alias List, Set, Create & Remove with alias Command

How to Configure VNC Server in Linux

How to Configure Printer Server in Linux

How to configure DNS Server in Linux

How to Configure Squid Server in Linux

How to set Immutable Sticky bit with Chattr command

How to change Default Umask Permission in Linux

How to use Chmod command in Linux Explained with Examples

Linux File Permission Explained

RHEL Installation Step-by-Step Explained

Basic Linux Commands Explained with Examples

Linux System Administration Commands Explained with Examples

RHCE Practice Lab Setup in VMWare and VirtualBox

RHCE Practice Lab initial Configurations Explained

How to configure IP address in Linux

How to configure Telnet Sever and Client in Linux

The nftables in Linux Explained with Examples

Firewalld Basic concepts Explained with Examples

How to Configure Firewalld in Linux

Firewalld Rich Rules Explained with Examples

SELinux Explained with Examples in Easy Language

Troubleshooting SELinux explained with Booleans

How to Configure Local Repository in RHEL Linux

RPM Command in Linux Explained with Examples

Linux Disk Management Terminology

The fdisk command on Linux Explained

Manage Linux Disk Partition with gdisk Command

Linux Disk Management with parted command

How to create swap partition in Linux

Learn How to Configure LVM in Linux Step by Step

How to Configure RAID in Linux Step by Step Guide

How to Manage disk quota in Linux Step by Step

Grep Command in Linux Explained with Practical Examples

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