CentOS筆記－start ssh server及root不可登入設定

/etc/init.d/sshd start or /etc/init.d/sshd restart

看是否有start起來

netstat -tlnp | grep ssh

//刪除所有確認的金鑰

rm /etc/ssh/ssh_host*

//列出剛建立確認的金鑰

date; ll /etc/ssh/ssh_host*

//取消root用ssh遠端登入的權限

vim /etc/ssh/sshd_config

PermitRootLogin yes --> no