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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.

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Start and Configure Services

Start and Configure Services

In this challenge, you will learn how to start, stop, and configure services to start automatically at system boot.
Linux
Modify SELinux Boolean Settings

Modify SELinux Boolean Settings

In this challenge, you will learn how to use boolean settings to modify the system's SELinux configuration.
Linux
Preserve System Journals

Preserve System Journals

In this challenge, you will learn how to manage and maintain system journals on a running Linux system, a key skill required for the RHCSA exam.
Linux
Restore Default File Contexts

Restore Default File Contexts

In this challenge, you will learn how to restore the default file contexts on a Linux system.
Linux
Start, Stop, and Check the Status of Network Services

Start, Stop, and Check the Status of Network Services

In this challenge, you will learn how to start, stop, and check the status of network services on a Linux system.
Linux
Restrict Network Access Using firewall-cmd

Restrict Network Access Using firewall-cmd

In this challenge, you will learn how to manage basic networking and restrict network access using the `firewall-cmd` command in a Red Hat Enterprise Linux system.
Linux
Modify the System Bootloader

Modify the System Bootloader

In this challenge, you will learn how to modify the system bootloader on a Red Hat Enterprise Linux (RHEL) system.
Linux
Run a Service Inside a Container

Run a Service Inside a Container

In this challenge, you will learn how to run a service inside a container and manage containers on a Linux system.
DockerLinux
Mount and Unmount Network File Systems Using NFS

Mount and Unmount Network File Systems Using NFS

In this challenge, you will learn how to mount and unmount network file systems using NFS on a Linux system.
Linux
Process Arguments in Bash Scripts

Process Arguments in Bash Scripts

In this RHCSA 9 challenge, you will create a bash script that processes command-line arguments, demonstrating essential scripting skills required for the RHCSA exam. Practice file creation, permission management, and bash scripting techniques on Red Hat Enterprise Linux 9.
ShellLinux
Set SELinux Mode

Set SELinux Mode

In this challenge, you will learn how to set the enforcing and permissive modes for SELinux on a Red Hat Enterprise Linux (RHEL) system.
Linux
Schedule Tasks Using at and Cron

Schedule Tasks Using at and Cron

In this challenge, you will learn how to use the at and cron commands to schedule one-time and recurring tasks on a Linux system.
Linux
Manage Logs and Archives

Manage Logs and Archives

Analyze log files using grep and create compressed archives with tar and gzip on Red Hat Enterprise Linux 9. Practice essential RHCSA 9 exam skills for system administration and troubleshooting. This hands-on challenge prepares you for log management and file archiving tasks in the RHCSA 9 certification exam.
Linux
Manage File Permissions

Manage File Permissions

Learn essential Linux file permission management. Learn to create files and modify their access rights using chmod, a crucial skill for system security and user access control.
Linux
Manage Default File Permissions

Manage Default File Permissions

In this challenge, you will learn how to manage default file permissions in a Linux system.
Linux
Locate Setuid Files

Locate Setuid Files

Discover how to locate and list setuid files on Red Hat Enterprise Linux 9, a crucial skill for the RHCSA 9 exam. Practice using the find command to identify special executables that run with the permissions of the file owner. Master file permission management and enhance your system security knowledge through this hands-on challenge.
Linux
Manage Tuning Profiles

Manage Tuning Profiles

In this challenge, you will learn how to create, activate, and verify a custom tuning profile on a Red Hat Enterprise Linux (RHEL) system.
Linux
Locate and Interpret System Log Files

Locate and Interpret System Log Files

In this challenge, you will learn how to navigate the Linux file system, identify the locations of various log files, and extract relevant information from them.
Linux
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