~ create user and allow sudo on centos ~

Create User

useradd connie

Change the password

passwd connie

Allow user to sudo -i

nano /etc/sudoers

找出這行

root    ALL=(ALL)       ALL

加入這行

connie   ALL=(ALL)       ALL

完成

順手關掉root 的ssh right

nano /etc/ssh/sshd_config

可以change port number

Port 2222

disable root access

PermitRootLogin no