切换到root角色
sudo -i
修改SSH配置文件/etc/ssh/sshd_config
vi /etc/ssh/sshd_config
修改PermitRootLogin和PasswordAuthentication为yes
# Authentication: PermitRootLogin yes //默认为no,需要开启root用户访问改为yes # Change to no to disable tunnelled clear text passwords PasswordAuthentication yes //默认为no,改为yes开启密码登陆
给root用户设置密码
passwd root
重启SSH服务使修改生效
/etc/init.d/ssh restart service sshd restart