甲骨文VPS使用一鍵開啟ROOT密碼登錄

此方式同樣適用於其他VPS

sudo -i
echo root:你的新密碼 |sudo 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