cd /etc/ssh vi sshd.config
Lets see the ssh port that linux is running
service sshd status ------------------------------------------------------------------- Nov 29 15:19:09 centos-vps-1 sshd[840]: Server listening on :: port 22. Nov 29 15:19:09 centos-vps-1 systemd[1]: Started OpenSSH server daemon. Nov 29 15:19:12 centos-vps-1 sshd[884]: Did not receive identification string from 209.1...070 Nov 29 15:23:48 centos-vps-1 systemd[1]: Stopped OpenSSH server daemon. Nov 29 15:24:05 centos-vps-1 systemd[1]: Starting OpenSSH server daemon... Nov 29 15:24:05 centos-vps-1 sshd[390]: Server listening on 0.0.0.0 port 22.
Default port is 22 and assume you want to change to 2222 1. cd /etc/ssh 2. vi sshd.config 3. find #port 22 4. uncomment the #port 22 and update with port 2222 5. now quit the editor with :wq!
