Modify Directory Ownership with chown in Linux

Manage Linux Partitions and Filesystems

Create and Restore a Backup with tar in Linux

Search Text with grep in Linux Cybersecurity isn't just about fancy tools; it's about understanding the foundation of the systems you protect. If you are starting your journey, Linux is your most powerful ally. This curated path takes you from a complete novice to a confident system administrator, providing the hands-on experience needed to secure, manage, and audit environments effectively. Difficulty: Beginner | Time: 20 minutes In this lab, you will learn the practical application of the chown command to modify directory ownership in Linux. This hands-on exercise guides you through creating a group, changing a directory's group ownership, and verifying the changes, a fundamental skill for Linux system administration. Practice on LabEx → | Tutorial → Difficulty: Beginner | Time: 25 minutes In this lab, you will learn to manage disk partitions and filesystems in Linux. You'll use fdisk to create a new partition, format it with ext4, mount it, configure persistent mounting in /etc/fstab, and create a swap partition, all on a safe secondary virtual disk. Practice on LabEx → | Tutorial → Difficulty: Beginner | Time: 30 minutes In this lab, you will learn to create and restore a file system backup in Linux using the tar command. You'll gain hands-on experience with system administration tasks by backing up the /home directory, verifying the archive, and restoring it to a temporary location to confirm its integrity. Practice on LabEx → | Tutorial → Difficulty: Beginner | Time: 25 minutes In this lab, you will learn to search for text in files on a Linux system using the grep command. You will perform basic searches, display line numbers, use anchors like ^ and $ to match line positions, and harness both basic and extended regular expressions for complex pattern matching. Practice on LabEx → | Tutorial → These four labs are more than just exercises; they are the building blocks of a professional cybersecurity career. By mastering these Linux fundamentals, you are not just learning commands—you are learning how to think like a system administrator and a security analyst. Ready to level up? Dive into these hands-on environments and start building your expertise today. Templates let you quickly answer FAQs or store snippets for re-use. Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink. Hide child comments as well For further actions, you may consider blocking this person and/or reporting abuse