Linux Tutorials

Our Linux tutorials offer a systematic way to master the open - source operating system. They cover command - line operations, system administration, and shell scripting, suitable for both beginners and experienced users. With free labs and practical examples, you'll gain hands - on experience in Linux environments. Our interactive Linux playground allows you to practice commands and scripts in a simulated terminal.

Create and Activate a Swap File in Linux

Create and Activate a Swap File in Linux

In this lab, you will learn the essential administrative task of creating and activating a swap file in Linux. This process allows you to increase your system's virtual memory when physical RAM is insufficient, using command-line utilities like dd, mkswap, and swapon to manage system resources.

Install a CentOS 7 Linux VM in VirtualBox

Install a CentOS 7 Linux VM in VirtualBox

In this lab, you will learn how to install and configure a CentOS 7 Linux virtual machine using VirtualBox. You will create a new VM, perform the OS installation with custom partitions, and set up the GNOME desktop environment with a graphical login for a complete, functional system.

Remote Access and File Transfer with SSH

Remote Access and File Transfer with SSH

Learn SSH host verification, remote shells and commands, scp file and directory transfer, SSH key generation, and key-based authentication.

Scheduled Backup and Recovery

Scheduled Backup and Recovery

Create manifest-based tar backups, inspect archives, restore one file, and schedule timestamped backups safely with Cron.

Upload a Configuration with SCP

Upload a Configuration with SCP

Use the supplied SSH identity to copy one configuration file to a remote account.

Restore a Configuration from Backup

Restore a Configuration from Backup

Restore one missing configuration file from a prepared compressed archive.

Linux Networking and Firewall Basics

Linux Networking and Firewall Basics

Follow a beginner network diagnostic path from hostname and interfaces through routes, connectivity, DNS, listening ports, HTTP, and safe UFW activation.

Managing Services and System Logs

Managing Services and System Logs

Learn how systemd manages services, control and enable a safe practice service, inspect journal and text logs, and recover from a simple failure.

Correct a Service Bind Address

Correct a Service Bind Address

Change one local-only service to listen on all IPv4 interfaces while preserving its response.

Recover a Failed Service

Recover a Failed Service

Diagnose one invalid configuration value and return its systemd service to the active state.

Stop a Runaway Process

Stop a Runaway Process

Inspect and stop one prepared process by using its recorded PID.

System Information and Process Management

System Information and Process Management

Learn to identify a Linux system, interpret load, inspect processes, find PIDs, send signals, control terminal jobs, use exit status, and run detached work.

Basic Arithmetic Operations in C

Basic Arithmetic Operations in C

Learn fundamental arithmetic operations in C programming, including variable declaration, addition, subtraction, multiplication, division, and result printing.

Linux smbclient Command with Practical Examples

Linux smbclient Command with Practical Examples

Explore the smbclient command in Linux, learn how to connect to Windows shares, list files and directories, and perform practical operations.

Linux tftp Command with Practical Examples

Linux tftp Command with Practical Examples

Explore the tftp command in Linux, learn how to configure a tftp server, and practice transferring files using the tftp client. Gain practical networking skills through hands-on examples.

Create User Input Program in C

Create User Input Program in C

Learn how to read user input in C using scanf() function, working with strings and integers to create an interactive console application.

Create a Rectangle Area Calculator in C

Create a Rectangle Area Calculator in C

Learn how to create a C program that calculates rectangle area using a user-defined function, demonstrating basic programming skills and function implementation.

Create Even Numbers List in C

Create Even Numbers List in C

Learn how to use a while loop in C to find and display even numbers from an integer array, demonstrating basic array manipulation and conditional logic.

Prev
1
2
3
4
5
6
...
197
Next