Skills you'll gain: Linux Administration, User Accounts, Operating System Administration, Linux, File Systems, Systems Administration, Authorization (Computing), Security Controls, Identity and Access Management, File Management

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Linux Servers, Network Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, System Configuration, Command-Line Interface

Skills you'll gain: Hardening, Linux Administration, System Monitoring, Linux Commands, Performance Tuning, Linux, Systems Administration, File Management, Network Troubleshooting, Unix Commands, Debugging, Service Management, User Accounts, OS Process Management