🐧Linux Administration

Linux Pro

1. Linux Basic Fundamentals

 Introduction to Linux, distributions and architecture
 Command line basics and terminal usage
 Basic commands: ls, cd, pwd, cp, mv, rm, cat, echo
 Understanding help systems and manual pages

2. File System Hierarchy

 Linux directory structure
 Important directories (/etc, /var, /home, /usr)
 Mounting and unmounting basics

3. Redirection Operation – stderr, stdout

 Input/output streams
 Redirection operators (>, >>, <, 2>)
 Pipes and command chaining

4. User Management

 Creating, modifying and deleting users
 Groups and permissions
 Password policies

5. File System Permission

 Read, write, execute permissions
 chmod, chown, chgrp
 ACL basics

6. Process Management

 Process lifecycle
 ps, top, htop, kill, nice
 Background and foreground jobs

7. Service Management

 systemd concepts
 Starting, stopping, enabling services
 Service troubleshooting

8. Secure Shell Concept and Connectivity

 SSH basics
 Key‑based authentication
 Remote command execution

9. Log Management

 System logs
 journalctl usage
 Log rotation

10. Network Management

 IP configuration
 Network troubleshooting tools
 DNS basics

11. Compression

 tar, gzip, bzip2, zip
 Archiving strategies

12. Secure File Sharing

 SCP, SFTP
 Basic sharing concepts

13. Package Management

 APT/YUM/DNF
 Installing, updating, removing packages
 Repositories

14. Security Implementation (Firewall OS Level)

 Firewall basics
 firewalld/ufw usage
 Port management

15. Partition

 Disk concepts
 fdisk/parted
 File system creation

16. Script Creation

 Bash scripting basics
 Variables, loops, conditions
 Automation scripts

17. Task Schedule / Performance Improvement

 cron and at
 Monitoring performance
 Basic tuning

18. Boot Process

 Linux boot sequence
 GRUB basics
 Recovery modes

19. Centralized Server Management (NFS)

 NFS concepts
 Server and client setup
 Permissions

20. Container Basic Idea (Podman/Docker)

 Containers vs virtual machines
 Basic container commands
 Images and volumes