ssh [username]@[host_ip_address]sudo apt-get install openssh-server -y sudo nano /etc/ssh/sshd_config # edit # Port 22 -> Port 22 # example forward port more # sudo ufw allow 1337 sudo service ssh restartsudo apt-get remove --purge openssh-server sudo apt-get install openssh-serversudo systemctl enable --now sshsudo apt-get install openssh-server -y sudo service ssh restart sudo service ssh statusssh linuxize@192.168.121.111Syntax: ssh remote_username@remote_host Example: ssh root@134.111.111.111