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A beginner-friendly Linux Foundation Certified System Administrator (LFCS) preparation course with 49 guided Linux administration labs arranged from essential command workflows to users, services, networking, and storage.
| Index | Name | Difficulty | Practice |
|---|---|---|---|
| 01 | 🧩 Monitor System Performance | Beginner | Start Lab |
| 02 | 🧩 Find and Fix Disk Space Issues | Beginner | Start Lab |
| 03 | 🧩 Inspect Services with systemctl and journalctl | Beginner | Start Lab |
| 04 | 🧩 Inspect SSL Certificates | Beginner | Start Lab |
| 05 | 🧩 Track Configuration with Git | Beginner | Start Lab |
| 06 | 🧩 Manage Local Users | Beginner | Start Lab |
| 07 | 🧩 Manage Local Groups and Membership | Beginner | Start Lab |
| 08 | 🧩 Configure Limited sudo Access | Beginner | Start Lab |
| 09 | 🧩 Manage Shell Environment Profiles | Beginner | Start Lab |
| 10 | 🧩 Configure User Resource Limits | Beginner | Start Lab |
| 11 | 🧩 Configure File ACLs | Beginner | Start Lab |
| 12 | 🧩 Configure LDAP User Lookup | Beginner | Start Lab |
| 13 | 🧩 Inspect and Manage Processes | Beginner | Start Lab |
| 14 | 🧩 Manage systemd Service Lifecycle | Beginner | Start Lab |
| 15 | 🧩 Create a Simple systemd Service | Beginner | Start Lab |
| 16 | 🧩 Troubleshoot a Failed systemd Service | Beginner | Start Lab |
| 17 | 🧩 Identify Service Resource Constraints | Beginner | Start Lab |
| 18 | 🧩 Schedule Jobs with cron | Beginner | Start Lab |
| 19 | 🧩 Schedule Jobs with systemd Timers | Beginner | Start Lab |
| 20 | 🧩 Manage Software Packages | Beginner | Start Lab |
| 21 | 🧩 Configure Software Repositories | Beginner | Start Lab |
| 22 | 🧩 Configure Kernel Parameters | Beginner | Start Lab |
| 23 | 🧩 Recover from Safe OS Failure States | Beginner | Start Lab |
| 24 | 🧩 Run and Manage Containers | Beginner | Start Lab |
| 25 | 🧩 Manage SELinux Mode and Contexts | Beginner | Start Lab |
| 26 | 🧩 Explore Virtual Machine Management with libvirt | Beginner | Start Lab |
| 27 | 🧩 Configure IPv4 Networking and Hostname Resolution | Beginner | Start Lab |
| 28 | 🧩 Configure IPv6 Addressing | Beginner | Start Lab |
| 29 | 🧩 Synchronize System Time | Beginner | Start Lab |
| 30 | 🧩 Troubleshoot Network Connectivity | Beginner | Start Lab |
| 31 | 🧩 Configure OpenSSH Client Access | Beginner | Start Lab |
| 32 | 🧩 Configure OpenSSH Server Access | Beginner | Start Lab |
| 33 | 🧩 Configure Firewall Packet Filtering | Beginner | Start Lab |
| 34 | 🧩 Configure Static Routing | Beginner | Start Lab |
| 35 | 🧩 Configure Port Redirection and NAT | Beginner | Start Lab |
| 36 | 🧩 Configure a Reverse Proxy Endpoint | Beginner | Start Lab |
| 37 | 🧩 Configure Bridge and Bond Devices | Beginner | Start Lab |
| 38 | 🧩 Inspect Block Devices and Mounts | Beginner | Start Lab |
| 39 | 🧩 Create and Mount Filesystems | Beginner | Start Lab |
| 40 | 🧩 Configure Persistent Mounts | Beginner | Start Lab |
| 41 | 🧩 Troubleshoot fstab and Mount Failures | Beginner | Start Lab |
| 42 | 🧩 Create LVM Storage | Beginner | Start Lab |
| 43 | 🧩 Extend LVM Storage | Beginner | Start Lab |
| 44 | 🧩 Configure Swap Space | Beginner | Start Lab |
| 45 | 🧩 Configure tmpfs and Virtual Filesystems | Beginner | Start Lab |
| 46 | 🧩 Configure Filesystem Automounts | Beginner | Start Lab |
| 47 | 🧩 Mount Remote Filesystems | Beginner | Start Lab |
| 48 | 🧩 Use Network Block Devices | Beginner | Start Lab |
| 49 | 🧩 Monitor Storage Performance | Beginner | Start Lab |
LabEx is an interactive, hands-on learning platform dedicated to coding and technology. It combines labs, AI assistance, and virtual machines to provide a no-video, practical learning experience. With a strict 'Learn by Doing' approach, interactive online environments in the browser with automated step-by-step checks, structured content organization through the Skill Tree learning system, and a growing resource of 30 Skill Trees and over 6,000 Labs, LabEx offers comprehensive practical education. The platform includes Labby, an AI learning assistant built on latest AI models, providing a conversational learning experience.