ssh root@43.251.183.146
The authenticity of host '43.251.183.146 (43.251.183.146)' can't be established.
ECDSA key fingerprint is SHA256:bKkqoQ8StkxC7qN8YtuR2nimFz3CppCYWuDNhl8d6yM.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '43.251.183.146' (ECDSA) to the list of known hosts.
root@43.251.183.146's password:
Welcome to Ubuntu 18.04 LTS (GNU/Linux 4.15.0-20-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

root@tky:~#