Videos

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

Command history, tab completion, and keyboard shortcuts.

The everyday command-line utilities worth turning into muscle memory.

Reading man pages and navigating them efficiently.

SELinux on RHEL without the fear: enforcing vs permissive vs disabled, how contexts and booleans work, and how to read a denial and fix it the right way.

Zones, services, and ports in firewall-cmd.

The difference between su and sudo.

Managing connections and devices with nmcli and nmtui.

Managing services, storage, and networking from Cockpit.

Partitioning devices and creating filesystems.

Registering with subscription-manager.

Working through the Anaconda installer screens.