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

GL180 Containers & Kubernetes

OpenShift Fundamentals

Build and deploy containerized applications on OpenShift, from Linux kernel isolation and OCI image management with Podman and Buildah to Kubernetes orchestration, persistent storage, networking, and Source-to-Image workflows.

4 days 7+ hrs hands-on

GL199 Certification Prep

RHCSA Accelerated Course

Accelerate your RHCSA EX200 exam preparation on live RHEL 9 systems. Lab-intensive coverage of every exam domain, from command-line proficiency and LVM storage to SELinux, systemd, networking, firewalld, and Podman containers.

5 days 12+ 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

GL275 Enterprise Infrastructure

Enterprise Linux Network Services

Deploy and secure the network services that power enterprise Linux infrastructure: DNS, Apache, Postfix, LDAP, Samba, Squid, and MariaDB. Lab-intensive, hands-on configuration on your choice of RHEL, SLES, or Ubuntu.

5 days 16+ hrs hands-on

GL280 Containers & Kubernetes

Openshift Administration

Deploy, secure, and operate Red Hat OpenShift clusters in production: identity providers, RBAC, Security Context Constraints, advanced scheduling, autoscaling, EFK logging, and Prometheus monitoring. Lab-intensive with 17 hands-on exercises.

4 days 7+ 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

GL294 Linux Automation

Red Hat Enterprise Linux Automation with Ansible

Automate RHEL infrastructure with Ansible, from inventory and ad-hoc commands to Jinja2 templates, roles, and Vault encryption. Hands-on playbook development on live systems.

4 days 7+ hrs hands-on

GL299 Certification Prep

RHCE Rapid Track Course

Accelerate RHCE certification prep on RHEL 7: system administration, network services, SELinux, and security across 51 hands-on labs covering Apache, DNS, Postfix, NFS, Samba, and SSH.

5 days 13+ 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

GL340 Containers & Kubernetes

Docker

Deploy, secure, and orchestrate Docker containers hands-on: engine installation with TLS, Dockerfile image builds, persistent volumes, Compose and Swarm multi-container orchestration, networking, and centralized logging on RHEL 9.

3 days 9+ hrs hands-on

GL360 Containers & Kubernetes

Kubernetes Administration

Deploy and manage production Kubernetes clusters from architecture to CKA exam readiness: kubeadm HA installation, workload orchestration, networking, storage, RBAC, and advanced scheduling across 29 hands-on labs.

5 days 10+ hrs hands-on

GL375 Linux Automation

Shell Scripting Workshop

Automate Linux tasks with Bash shell scripting: variables, I/O redirection, regular expressions, sed, awk, flow control, and defensive coding. Lab-intensive workshop with 24 hands-on exercises.

3 days 6+ hrs hands-on

GL380 Linux Automation

Ansible

Automate Linux infrastructure with Ansible: inventory management, playbook development, Jinja2 templating, roles, and Vault. Hands-on labs from ad-hoc commands to production-ready automation patterns.

3 days 7+ hrs hands-on

GL390 Containers & Kubernetes

Openshift Administration

Deploy and manage production Red Hat OpenShift Container Platform clusters: installation, RBAC, application lifecycle, networking, persistent storage, scheduling, and Prometheus-based monitoring. Lab-intensive training on live OpenShift environments.

4 days 10+ hrs hands-on

GL413 Linux Security

Enterprise Linux Server Hardening

Harden enterprise Linux servers with a defense-in-depth approach: vulnerability scanning, filesystem encryption, PAM password policies, kernel auditing with auditd, and SELinux mandatory access controls. Lab-intensive with 50 hands-on exercises.

5 days 11+ hrs hands-on

GL429 Linux Security

RHEL SELinux Policy Administration

Master SELinux policy administration on RHEL 9, from security contexts and type enforcement through role-based access control, policy customization, AVC denial troubleshooting, and writing custom policy modules from scratch.

4 days 6+ hrs hands-on

GL468 Application Development

PHP Fundamentals

Build dynamic, database-driven web applications with PHP: variables, functions, arrays, HTML forms, SQL databases with PDO, session management, and security fundamentals. Lab-intensive with 43 hands-on exercises.

4 days 16+ hrs hands-on

GL550 Linux Security

Enterprise Linux Security Administration

Harden enterprise Linux systems with layered defenses: vulnerability scanning, Kerberos authentication, SELinux mandatory access controls, kernel auditing, and service security. Lab-intensive, defense-in-depth training on your choice of RHEL or SLES.

5 days 13+ 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

GL636 Enterprise Infrastructure

GlusterFS Storage Administration

Deploy and manage GlusterFS distributed storage clusters at petabyte scale: brick configuration, nine volume types, geo-replication, IP failover with CTDB, OpenStack Swift integration, and production troubleshooting.

4 days 4+ hrs hands-on

GL645 Enterprise Infrastructure

Enterprise Linux High Availability Clustering

Architect production high availability clusters on RHEL: Corosync quorum management, STONITH fencing, Pacemaker resource orchestration, iSCSI shared storage, multipathing, clustered LVM, and GFS2. Lab-intensive with 25+ multi-node exercises.

5 days 9+ hrs hands-on

GL650 Enterprise Infrastructure

Red Hat Satellite v6 Administration (Foreman/Katello)

Build and manage a complete Red Hat Satellite 6 (Foreman/Katello) infrastructure: repository synchronization, content views, lifecycle environments, Puppet configuration management, FreeIPA integration, and bare-metal provisioning. Lab-intensive with 29 hands-on exercises.

5 days 11+ hrs hands-on

GL651 Enterprise Infrastructure

Red Hat Virtualization v4 Administration (oVirt)

Build a production-ready oVirt (Red Hat Virtualization) environment from engine installation through VM lifecycle, templates, and IdM-integrated access control. Entirely lab-driven on a multi-node RHEL 7 cluster.

4 days 5+ hrs hands-on