The journey to becoming a DevOps Engineer starts long before you touch Kubernetes or CI/CD pipelines. It begins at the terminal. LabEx's DevOps Engineer Skill Tree is meticulously designed to bridge the gap between theoretical knowledge and production-ready skills. By focusing on the Linux ecosystem—the backbone of modern cloud infrastructure—this path ensures you develop the muscle memory required to manage servers, secure data, and orchestrate complex environments with confidence.
Manage Files and Directories in Linux
Difficulty: Beginner | Time: 25 minutes
In this lab, you will learn to manage files and directories in a Linux command-line environment. You will use commands like mkdir, rm, cp, and mv to create, remove, copy, and move files. The lab also explores creating symbolic and hard links with ln, analyzing inodes, and observing link behavior.
Practice on LabEx → | Tutorial →
Manage Linux Groups with groupadd, usermod, and groupdel
Difficulty: Beginner | Time: 20 minutes
In this lab, you will learn the essential skills for managing user groups in a Linux environment. You will gain hands-on experience with the core command-line utilities for group administration, including groupadd to create new groups, usermod to modify user memberships, and groupdel to remove groups.
Practice on LabEx → | Tutorial →
Hide Data in Steghide
Difficulty: Beginner | Time: 25 minutes
In this lab, you will learn how to use Steghide to hide data within an image, covering installation, embedding files, extracting hidden data, and verifying the process.
Practice on LabEx → | Tutorial →
Manage Linux User Accounts with useradd, usermod, and userdel
Difficulty: Beginner | Time: 25 minutes
In this lab, you will learn the essential skills for managing user accounts on a Linux system. You will practice the complete lifecycle of user administration, from creating and securing new accounts with useradd and passwd to modifying and deleting them with usermod and userdel.
Practice on LabEx → | Tutorial →
The transition from a beginner to a Junior DevOps Engineer is paved with consistent, hands-on practice. These four labs represent the essential first steps in mastering the Linux environment, providing you with the technical grit needed for more advanced cloud-native workflows. Dive into the LabEx DevOps Engineer Skill Tree today and start building the infrastructure of tomorrow.
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