Course Catalog

GL120 Linux System Administration

Linux Fundamentals

Master the Linux command line from your first login to confident daily use: Bash essentials, filesystem navigation, text processing with grep and sed, shell scripting, process management, and task scheduling. Hands-on labs on your choice of RHEL, SLES, or Ubuntu.

5 days 11+ hrs hands-on

GL124 Linux System Administration

Red Hat Enterprise Linux System Admin I

Build essential RHEL 9 administration skills from the command line up — Bash, Vim, text processing, user management, systemd, SSH, networking, and package management across 37 hands-on labs aligned with RHCSA objectives.

5 days 8+ hrs hands-on

GL134 Linux System Administration

Red Hat Enterprise Linux System Admin II

Advance your RHEL 9 administration skills: Bash scripting, regular expressions, SELinux, LVM storage, NFS, boot troubleshooting, nftables firewalls, and Podman containers. Hands-on RHCSA preparation across 28 labs.

4 days 7+ hrs hands-on

GL250 Linux System Administration

Enterprise Linux Systems Administration

Build production-ready Linux administration skills on your choice of RHEL 9 or SLES 15, from kernel internals and systemd to LVM, RAID, SELinux, and advanced networking. Lab-intensive with 60+ hands-on exercises.

5 days 15+ hrs hands-on

GL254 Linux System Administration

System Administration III for Red Hat Enterprise Linux

Deploy and secure RHEL network services: BIND DNS, Postfix email, Apache HTTPD with TLS, iSCSI and NFS/Samba storage, MariaDB, plus kernel management, SELinux hardening, and Bash scripting.

5 days 8+ hrs hands-on

GL281 Linux System Administration

Red Hat Enterprise Linux v8 Differences

Bridge the gap from RHEL 7 to RHEL 8: master DNF, nftables, Stratis, LUKS2 with NBDE, rootless Podman containers, OpenSCAP compliance, and Cockpit web administration. Hands-on labs across every major subsystem.

4 days 7+ hrs hands-on

GL314 Linux System Administration

Linux Troubleshooting

Diagnose and fix real Linux failures: boot recovery, networking, storage, security, and services. Over 120 self-paced lab scenarios on your choice of RHEL or SLES build hands-on troubleshooting instincts.

5 days 17+ hrs hands-on

GL325 Linux System Administration

Linux Performance Tuning & Analysis

Diagnose and resolve Linux performance bottlenecks using the USE Method, deep kernel internals knowledge, and hands-on mastery of SystemTap, Performance Co-Pilot, perf, sar, and SNMP on your choice of RHEL or SLES.

5 days 8+ hrs hands-on

GL615 Linux System Administration

Linux For Unix Administrators

Transition from commercial Unix to enterprise Linux: master systems administration, deploy production network services, and build hands-on skills on your choice of RHEL or SLES in one accelerated, lab-intensive course.

5 days 23+ hrs hands-on