Ubantu configure root remote login

Ubantu configure root remote login

Ordinary user set root password

zjy@zjy:/root$ sudo passwd root

Switch to root user

zjy@zjy:/root$ su  root
Password: 

Change sshd configuration

root@zjy:~# vim /etc/ssh/sshd_config 
#PermitRootLogin prohibit-password
PermitRootLogin yes
UsePAM no

Restart the sshd service

systemctl restart sshd