Red Hat Enterprise Linux Tutorials

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.

In this lab, you will learn how to automate essential Red Hat Enterprise Linux (RHEL) administration tasks using Ansible. You will gain hands-on experience with managing software packages, user accounts, services, storage, and network configurations through Infrastructure as Code (IaC) practices.

In this lab, you will gain essential skills for managing text files and customizing your shell environment in Linux. You will learn how to redirect standard output and error streams, combine streams, construct command pipelines, edit text files with Vim, and configure shell variables and aliases.

In this lab, you will gain hands-on experience managing system services on RHEL using the `systemctl` command. You will learn to view all loaded and active services, check the status of specific services, and control their runtime behavior by starting, stopping, and restarting them. Furthermore, you will explore how to reload service configurations, enable or disable services for automatic startup at boot, and understand the advanced concepts of masking and unmasking services to prevent their activation. This practical guide will equip you with essential skills for system administration, enabling you to effectively monitor and manage the lifecycle of services crucial for the operation of your RHEL system, even in containerized environments where `systemctl` interacts with `systemd`-managed services.

In this lab, you will gain a comprehensive understanding of managing Linux file system permissions, a critical skill for any RHEL administrator. You will learn to interpret, modify, and control file access using various commands and special permissions, securing your Linux environment effectively.

In this lab, you will gain hands-on experience configuring network interfaces and hostname settings on a Red Hat Enterprise Linux system. You will learn essential command-line tools and techniques to manage your system's network connectivity and identification, including validating, adding, activating, deactivating, and modifying network connections, configuring hostname and name resolution, and testing connectivity.

In this lab, you will gain hands-on experience with analyzing and storing system logs on Red Hat Enterprise Linux 9 using `journalctl` and `rsyslog`. You will begin by understanding the core architecture of system logging, including the roles of `systemd-journald` and `rsyslog`, and identifying key log files. Subsequently, you will learn to review and filter syslog files using common commands, manually send custom syslog messages, and explore and filter system journal entries with `journalctl`. The lab also covers configuring persistent system journal storage and maintaining accurate system time using `timedatectl` and `chronyd`, equipping you with essential skills for system analysis and troubleshooting.

In this lab, you will gain hands-on experience managing Linux file systems on a Red Hat Enterprise Linux (RHEL) system. You will learn to identify file systems and block devices, examine disk usage, and practice manually mounting and unmounting file systems. Furthermore, this lab will guide you through locating files efficiently using commands like `locate` and `find` based on various criteria.

In this lab, you will embark on a foundational journey into the world of Linux command-line operations, specifically within a Red Hat Enterprise Linux (RHEL) environment. You will gain hands-on experience with essential commands to identify user and system information, manage user passwords, inspect file types, view file content, count file statistics, and efficiently navigate command history. You will also master crucial command-line editing shortcuts.

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.

Practice creating and extracting compressed tar archives using gzip and bzip2 compression methods on Red Hat Enterprise Linux 9. Master essential RHCSA 9 exam skills by working with tar, gzip, and bzip2 commands. Learn to efficiently compress, archive, and extract files, preparing you for the RHCSA 9 certification exam and real-world system administration tasks.

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.

Practice essential user management tasks for the RHCSA exam. Learn to switch between users and create new accounts, crucial skills for Red Hat Certified System Administrators.

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.

Create and manipulate hard links in a Linux file system, understanding their properties and behavior. Explore how hard links share the same inode and content across multiple file names.

In this challenge, you will learn how to create a simple shell script that uses looping constructs to process file or command-line input.

In this challenge, you will learn how to create a simple shell script that processes the output of shell commands.

In this challenge, you will learn how to create a simple shell script that can accept and process input parameters.