Into the Terminal

Registering systems and reading advisor recommendations.

Enabling EPEL and other trusted repositories.

Navigating the Customer Portal and knowledge base.

Capturing terminal sessions with tlog and SSSD.

Tracking what you have purchased versus what you use.

How SELinux handles ports and network access.

Conditionals with if/test and comparison operators.

Applying updates with dnf and understanding what changed.

Structure of a script: shebang, variables, and arguments.

Command history, tab completion, and keyboard shortcuts.

Reading man pages and navigating them efficiently.

Zones, services, and ports in firewall-cmd.