Manage, Maintain and Secure Linux Systems
Linux Administration என்பது Linux Server மற்றும் Operating System-ஐ நிர்வகிக்கும் செயல்முறை ஆகும்.
useradd raj passwd raj usermod raj userdel raj
✔ Create Users
✔ Modify Users
✔ Delete Users
groupadd network groupdel network usermod -aG network raj
chmod 755 file.sh chmod 777 file.sh chown user file.txt chgrp network file.txt
systemctl status ssh systemctl start ssh systemctl stop ssh systemctl restart ssh
df -h du -sh lsblk fdisk -l
✔ Monitor Storage
✔ Manage Partitions
ps -ef top htop kill PID kill -9 PID
/var/log tail -f /var/log/messages journalctl
✔ Password Policies
✔ User Access Control
✔ Firewall Management
✔ SSH Security
✔ Audit Logs
tar -cvf backup.tar /home tar -xvf backup.tar
✔ Backup Files
✔ Restore Data
✔ Data Centers
✔ Telecom Networks
✔ ISP Infrastructure
✔ Cloud Platforms
✔ Banking Systems
✔ Government Networks
What is Linux Administration?
How to create a user?
What is chmod?
What is chown?
How to restart a service?
What is systemctl?
How to monitor processes?
How to check disk usage?
What is journalctl?
Explain Linux Security Basics.
Linux Administration என்பது Linux Server Management-ன் முக்கியமான பகுதி ஆகும்.
Users, Services, Security, Storage மற்றும் System Resources ஆகியவற்றை நிர்வகிப்பது Linux Administrator-ன் முக்கிய பொறுப்பாகும்.