CompTIA Linux+ Certification Training Labs
October 23, 2025 · View on GitHub
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Learn Linux system administration through hands-on labs, covering command-line, file management, user administration, security, networking, and maintenance. Perfect for CompTIA Linux+ certification prep.
Exercises
| Index | Name | Difficulty | Practice |
|---|---|---|---|
| 01 | 🧩 🆓 Edit Text Files in Linux with Vim and Nano | Beginner | Start Lab |
| 02 | 🧩 🆓 Manage Shell Environment and Configuration in Linu... | Beginner | Start Lab |
| 03 | 🧩 🆓 Redirecting Input and Output in Linux | Beginner | Start Lab |
| 04 | 🧩 🆓 Manage Linux User Accounts with useradd, usermod, ... | Beginner | Start Lab |
| 05 | 🧩 🆓 Manage Linux Groups with groupadd, usermod, and gr... | Beginner | Start Lab |
| 06 | 🧩 🆓 Navigate the Filesystem in Linux | Beginner | Start Lab |
| 07 | 🧩 🆓 Manage Files and Directories in Linux | Beginner | Start Lab |
| 08 | 🧩 Find Files and Commands in Linux | Beginner | Start Lab |
| 09 | 🧩 Search Text with grep in Linux | Beginner | Start Lab |
| 10 | 🧩 Modify Directory Ownership with chown in Linux | Beginner | Start Lab |
| 11 | 🧩 Manage File and Directory Permissions in Linux | Beginner | Start Lab |
| 12 | 🧩 Manage Special Permissions and umask in Linux | Beginner | Start Lab |
| 13 | 🧩 Manage Linux Partitions and Filesystems | Beginner | Start Lab |
| 14 | 🧩 Create and Restore a Backup with tar in Linux | Beginner | Start Lab |
| 15 | 🧩 Configure RAID and LVM Storage in Linux | Beginner | Start Lab |
| 16 | 🧩 Manage and Monitor Linux Processes | Beginner | Start Lab |
| 17 | 🧩 Schedule Tasks with at and cron in Linux | Beginner | Start Lab |
| 18 | 🧩 Managing Packages with RPM in Linux | Beginner | Start Lab |
| 19 | 🧩 Query and Update Packages with YUM in Linux | Beginner | Start Lab |
| 20 | 🧩 Build Software from Source Code in Linux | Beginner | Start Lab |
| 21 | 🧩 Manage Shared Libraries in Linux | Beginner | Start Lab |
| 22 | 🧩 Customize the GRUB2 Boot Menu in Linux | Beginner | Start Lab |
| 23 | 🧩 Manage Kernel Modules in Linux | Beginner | Start Lab |
| 24 | 🧩 Explore Hardware Devices in Linux | Beginner | Start Lab |
| 25 | 🧩 Connect to a Remote Linux Server Using SSH | Beginner | Start Lab |
| 26 | 🧩 Configure SSH Public Key Authentication in Linux | Beginner | Start Lab |
| 27 | 🧩 Configure firewalld to Allow Web Traffic in Linux | Beginner | Start Lab |
| 28 | 🧩 Block ICMP Traffic in Linux using iptables | Beginner | Start Lab |
| 29 | 🧩 Encrypt and Decrypt Files with GPG in Linux | Beginner | Start Lab |
| 30 | 🧩 Configure User Accounts and Sudo Privileges in Lin... | Beginner | Start Lab |
| 31 | 🧩 Manage SELinux File Contexts for Apache in Linux | Beginner | Start Lab |
| 32 | 🧩 Manage a Local Git Repository in Linux | Beginner | Start Lab |
| 33 | 🧩 Create and Activate a Swap File in Linux | Beginner | Start Lab |
| 34 | 🧩 Install a CentOS 7 Linux VM in VirtualBox | Beginner | Start Lab |
About LabEx
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.