After completing the course, students will have learned how to:

• Understand and use essential tools for handling files, directories, command-line environments, and documentation
• Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
• Configure local storage using partitions and logical volumes
• Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
• Deploy, configure, and maintain systems, including software installation, update, and core services
• Manage users and groups, including use of a centralized directory for authentication
• Manage security, including basic firewall and SELinux configuration

This course is appropriate for Red Hat^® Enterprise Linux system administrators seeking validation of their skills. This course will provide preparation for experienced Linux system administrators who require certification as a Linux Certified Engineer in their job role or based on a mandate, such as DoD 8570 directive. It is also appropriate for IT professionals who are on the path to earn a Red Hat^® Certified Engineer.

None required. Enterprise Linux 8 System Administration and Linux OS experience is highly recommended.

Be able to perform all tasks expected of a Red Hat Certified System Administrator

• Understand and use essential tools
• Operate running systems
• Configure local storage
• Create and configure file systems
• Deploy, configure, and maintain systems
• Manage users and groups
• Manage security

Understand core components of Ansible

• Inventories
• Modules
• Variables
• Facts
• Plays
• Playbooks
• Configuration files
• Use provided documentation to look up specific information about Ansible modules and commands

Install and configure an Ansible control node

• Install required packages
• Create a static host inventory file
• Create a configuration file
• Create and use static inventories to define groups of hosts
• Manage parallelism

Configure Ansible managed nodes

• Create and distribute SSH keys to managed nodes
• Configure privilege escalation on managed nodes
• Validate a working configuration using ad hoc Ansible commands

Script administration tasks

• Create simple shell scripts
• Create simple shell scripts that run ad hoc Ansible commands

Create Ansible plays and playbooks

• Know how to work with commonly used Ansible modules
• Use variables to retrieve the results of running a command
• Use conditionals to control play execution
• Configure error handling
• Create playbooks to configure systems to a specified state

Use Ansible modules for system administration tasks that work with:

• Software packages and repositories
• Services
• Firewall rules
• File systems
• Storage devices
• File content
• Archiving
• Scheduled tasks
• Security
• Users and groups

Work with roles

• Create roles
• Download roles from an Ansible Galaxy and use them

Use advanced Ansible features

• Create and use templates to create customized configuration files
• Use Ansible Vault in playbooks to protect sensitive data
• Create and use templates to create customized configuration files
• Work with Ansible variables and facts
• Create and work with roles
• Download roles from an Ansible Galaxy and use them
• Manage parallelism
• Use Ansible Vault in playbooks to protect sensitive data
• Use provided documentation to look up specific information about Ansible modules and commands