RHCE

Objectives from RedHat ¹

1. 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

2. 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

3. 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

4. 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

5. Script administration tasks

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

6. 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

7. 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

8. Work with roles

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

9. Use advanced Ansible features

   • Create and use templates to create customized configuration files
   • Use Ansible Vault in playbooks to protect sensitive data

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EXTRA

1. Use Plugins
2. Use ACL
3. Use NFS/Samba
4. Use Loops
5. Use Collections
6. Use VDO
7. Use Stratis

Footnotes

1. As with all Red Hat performance-based exams, configurations must persist after reboot without intervention. ↩