Prepare for EX200 exam covering Red Hat Enterprise Linux system administration, prerequisite for RHCE certification, designed for experienced administrators.

Syllabus

Understand and use essential tools

This track covers the Linux ecosystem, history, and enterprise support, alongside practical skills like choosing distributions, logging in, using shell types, and executing essential commands. You will develop expertise in workflow automation, file system navigation, pattern matching, and data manipulation, as well as mastering help tools, file operations, and text editors.

Manage Software

In this track, you will learn about essential package management tasks and tools, explore how to install, update, verify, and remove packages, discover how to download RPMs without installation, and troubleshoot common issues.

Create simple shell scripts

Explore how to create basic scripts, manage permissions, and control execution flow. Next, learn how to use variables, user input, and conditional statements to build dynamic automation. Finally, discover how to debug scripts, handle exit statuses, and log output for reliable multi-step operations.

Operate running systems

This track covers Linux log management, performance monitoring, and troubleshooting. Learn to use tools like rsyslog, journalctl, and logrotate, assess system resources, manage services, detect issues, and enforce auditing for effective system administration and support.

Configure local storage

In this track, explore LVM fundamentals, including volume management and troubleshooting, and Podman essentials such as container lifecycle, image creation, and pod organization.

Create and configure file systems

This track covers Linux storage management, including partitioning, mounting, NFS integration, and autofs setup. It also addresses user quotas, persistent and automatic mounting, NFS security, SELinux, firewall settings, and troubleshooting techniques for reliable network access and shared storage management.

Deploy, configure, and maintain systems

In this track, explore Linux process management, systemd essentials, and task automation. Next, learn how to create, monitor, and control processes, manage services with systemctl and journalctl, understand unit files and service dependencies, and handle advanced service controls. Additionally, discover how to automate tasks with scheduling tools, manage cron jobs, configure environments, troubleshoot errors, and ensure secure permissions for scheduled tasks.

Manage users and groups

This track covers key configuration files like /etc/passwd, /etc/group, and /etc/shadow, and how they define user identities. Next, explore user and group management commands such as useradd, groupmod, and passwd, along with secure privilege setup using visudo. Finally, discover how to use monitoring tools and commands like whoami, id, and last to track user activity and enhance system oversight.

Manage basic networking

In this track, you will learn foundational networking topics such as IP addressing, subnetting, routing, DNS management, and connectivity diagnostics, alongside advanced skills in configuring and securing network interfaces using firewalld. Then, you will learn how to manage firewall rules, zones, services, ports, and troubleshooting, including creating custom zones and rich rules for precise traffic control and backing up firewall configurations.

Manage security

This track covers Unix/Linux permissions fundamentals, advanced access control with ACLs, SSH service management and security, and SELinux modes and configuration. You will gain practical skills in interpreting and modifying permissions, managing access control, securing remote administration, and handling SELinux for robust system security and troubleshooting.