Change port 22 to another port

To Change the SSH Port for Your Linux Server

1. Connect to your server via SSH (more info).
2. Switch to the root user (more info).
3. Run the following command:
   vi /etc/ssh/sshd_config
4. Locate the following line:
   # Port 22
5. Remove # and change 22 to your desired port number.
6. Restart the sshd service by running the following command:
   service sshd restart