Linux Master Handbook

1. Getting Started with Linux

• 1.1 Introduction
• 1.2 Linux History
• 1.3 Linux vs Windows vs macOS
• 1.4 Major Linux Distributions (Distros)
• 1.5 Installing Linux

2. Linux Essentials

• 2.1 Linux Command Line Basics
• Navigation & File Operations
• File Permissions & Ownership
• Redirection & Pipes
• Process Management
• 2.2 Filesystem Hierarchy

3. Storage & Filesystems

• 3.1 Disk Management in Linux
• Partitioning, Formatting, Mounting
• 3.2 Common Filesystem Types in Linux
• ext4, XFS, Btrfs, ZFS, tmpfs, F2FS

4. User & Access Management

• 4.1 User and Group Management
• Creating Users, Sudoers, ACLs, Password Policies
• 4.2 Security and Hardening in Linux
• SELinux, AppArmor

5. Software & Package Management

• 5.1 Package Management in Linux
• apt/dpkg (Debian/Ubuntu)
• dnf/yum/rpm (RHEL/Fedora)
• pacman/AUR (Arch)
• Snap, Flatpak, AppImage

6. Scripting & Automation

• 6.1 Shell Scripting in Linux
• Variables, Loops, Conditionals, Arguments
• Cron Jobs
• systemd Timers

7. System Administration

• 7.1 Kernel Management
• Kernel Modules, Compilation
• 7.2 Log Management
• journalctl, rsyslog
• 7.3 Backup Strategies
• rsync, tar, dd

8. Networking & Connectivity

• 8.1 Network Configuration
• netplan, NetworkManager, systemd-networkd
• 8.2 SSH: Secure Shell
• Key Auth, scp, ssh-agent
• 8.3 Firewalls in Linux
• iptables, ufw, firewalld
• 8.4 DNS Configuration
• 8.5 Network Troubleshooting
• ping, traceroute, curl, ss

9. System Recovery & Maintenance

• 9.1 Troubleshooting and Recovery in Linux
• fsck, GRUB Repair, Rescue Mode
• TestDisk, systemd debugging, Kernel Panics
• 9.2 Encrypting Disks (LUKS)
• LVM, dm-crypt

10. Linux in the Cloud

• 10.1 Cloud-Init: First-Boot Automation for Cloud VMs
• 10.2 Serverless on Linux with OpenFaaS

11. Final Thoughts

• 11.1 GET SET GO — Next Steps & Resources