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
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