root用户远程登录报错Permission denied, please try again.解决方法

确保密码正确的情况下，出现以下错误

➜  ~ ssh root@123.123.123.123 -p 2222
root@123.123.123.123's password:
Permission denied, please try again.

1.修改123.123.123.123的/etc/ssh/sshd_config配置文件，如下：

vim /etc/ssh/sshd_config
PermitRootLogin yes

2.重启

systemctl restart sshd