centos修改密钥登陆为密码登录

sudo passwd root

su – root

vi /etc/ssh/sshd_config

 (取消以下部分前的#，获取改yes /no)

Port 22

AddressFamily any

ListenAddress 0.0.0.0

ListenAddress :: 

PermitRootLogin yes

PasswordAuthentication yes

GSSAPIAuthentication no

然后重启服务

systemctl restart sshd