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Navigate, organise, measure, mount and secure files on any Linux system.
Linux Enterprise Track, Command-Line Foundations
8 lessons, 44 exercises
0 of 44 exercises
Run commands with correct syntax, redirect and pipe their output, switch users and find answers in the documentation.
Linux Enterprise Track, Command-Line Foundations
4 lessons, 20 exercises
0 of 20 exercises
Read, search, transform and edit text files, the way administrators do all day.
Linux Enterprise Track, Command-Line Foundations
4 lessons, 20 exercises
0 of 20 exercises
Pack and compress files with tar, log in to other systems with SSH, and move files between them securely.
Linux Enterprise Track, Command-Line Foundations
3 lessons, 15 exercises
0 of 15 exercises
Create and manage local accounts and groups, enforce password policy, and grant privileged access the controlled way.
Linux Enterprise Track, Users and Automation
4 lessons, 20 exercises
0 of 20 exercises
Run tasks once or on a schedule with at, cron and systemd timers, and keep the clock right with chrony.
Linux Enterprise Track, Users and Automation
3 lessons, 15 exercises
0 of 15 exercises
Write short Bash scripts that take arguments, make decisions, repeat work and process command output.
Linux Enterprise Track, Users and Automation
4 lessons, 20 exercises
0 of 20 exercises
Query and install RPM packages, manage DNF repositories, and install Flatpak applications.
Linux Enterprise Track, Operating System
4 lessons, 21 exercises
0 of 21 exercises
Control services and boot targets, edit the boot loader, and regain access to a system you cannot log in to.
Linux Enterprise Track, Operating System
4 lessons, 19 exercises
0 of 19 exercises
Find and control processes, change their priority, apply tuning profiles, and read and keep the system's logs.
Linux Enterprise Track, Operating System
3 lessons, 15 exercises
0 of 15 exercises
Partition disks with GPT, build logical volumes with LVM, grow them online, and add swap, all without losing data.
Linux Enterprise Track, Storage
3 lessons, 15 exercises
0 of 15 exercises
Create and mount XFS, ext4 and VFAT, use NFS and autofs, and fix permission problems.
Linux Enterprise Track, Storage
4 lessons, 20 exercises
0 of 20 exercises
Inspect the network, set static IPv4 and IPv6 addresses with NetworkManager, and configure names and resolution.
Linux Enterprise Track, Network and Security
3 lessons, 16 exercises
0 of 16 exercises
Allow and block traffic with zones, services, ports, sources and rich rules, and keep the rules after a reboot.
Linux Enterprise Track, Network and Security
2 lessons, 10 exercises
0 of 10 exercises
Log in without a password using key pairs, and tighten the SSH server's rules without locking yourself out.
Linux Enterprise Track, Network and Security
2 lessons, 10 exercises
0 of 10 exercises
Set the SELinux mode, read and fix file contexts, label ports, toggle booleans, and find out what SELinux denied.
Linux Enterprise Track, Network and Security
3 lessons, 15 exercises
0 of 15 exercises
Build a practice lab that mirrors the exam, and learn how to work through a timed practical exam without losing marks.
Linux Enterprise Track, Exam Readiness
2 lessons, 9 exercises
0 of 9 exercises
A timed, three-part practical exam covering every EX200 objective, with checks, solutions and a marking sheet.
Linux Enterprise Track, Exam Readiness
4 lessons, 25 exercises
0 of 25 exercises
Troubleshooting Method and Monitoring
Work from evidence, find answers offline, watch a system's vital signs and use the web console.
Linux Enterprise Track, Method and Evidence
3 lessons, 9 exercises
0 of 9 exercises
Central Logging, AIDE and Ansible
Send logs to a central host, detect changed files with AIDE, and push configuration with Ansible.
Linux Enterprise Track, Method and Evidence
3 lessons, 9 exercises
0 of 9 exercises
Capture a kernel crash with kdump, read the first clues, and collect a clean support archive with sos.
Linux Enterprise Track, Method and Evidence
2 lessons, 6 exercises
0 of 6 exercises
Find which boot stage failed, repair GRUB and kernel arguments, rebuild the initramfs and clear systemd start-up hangs.
Linux Enterprise Track, Boot and Storage Recovery
4 lessons, 12 exercises
0 of 12 exercises
Recovering File Systems and LVM
Repair damaged XFS and ext4, restore LVM metadata, recover LUKS headers and find hidden space exhaustion.
Linux Enterprise Track, Boot and Storage Recovery
3 lessons, 9 exercises
0 of 9 exercises
Package and RPM Database Repair
Detect and repair damaged packages, an unreadable RPM database, and broken repository or update transactions.
Linux Enterprise Track, Software and Applications
3 lessons, 9 exercises
0 of 9 exercises
Trace system and library calls, find open files, ports and limits, read core dumps, and debug services under systemd.
Linux Enterprise Track, Software and Applications
4 lessons, 12 exercises
0 of 12 exercises
Find a network fault layer by layer, repair addresses, routes and DNS, and prove firewall behaviour with captures.
Linux Enterprise Track, Network and Access
3 lessons, 9 exercises
0 of 9 exercises
Change PAM safely with authselect, enforce lockout, password quality and aging, and diagnose login failures.
Linux Enterprise Track, Network and Access
3 lessons, 9 exercises
0 of 9 exercises
A timed, three-part troubleshooting exam on two machines, covering all EX342 objective areas, with a marking sheet.
Linux Enterprise Track, EX342 Practice Exam
4 lessons, 25 exercises
0 of 25 exercises
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