根据视频 SSH 登录 VPS，然后输入脚本，脚本如下！
sudo -i
echo root:V2rayssr |chpasswd root
sed -i 's/^#\?PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config;
sed -i 's/^#\?PasswordAuthentication.*/PasswordAuthentication yes/g' /etc/ssh/sshd_config;
service sshd restart