# vi /etc/ssh/sshd_config
You have to change port 22 to whatever you want
#Port 22 #ta delete kore ja den The max is 65535.
you have to restart sshd file:
# service sshd restart
or
#root-e dhukbo > file transfer > etc > ssh > sshd_config.txt > #Port 22 #ta delet kore ja den
Or
[root@LDS-1 ~]# vi /etc/ssh/sshd_config.txt
# service sshd reload
/etc/init.d/ssh restart
# server sshd restart
Next time remove # from beginning of the line.
After that proceed to restart the service, /etc/init.d/sshd restart.