不要简单参考鸟哥的;
在ubuntu 上应该如下:
root@worker:/home# userdel spark
root@worker:/home# useradd -r -m -s /bin/bash spark
root@worker:/home# passwd spark
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
root@worker:/home# ls
kuku spark
root@worker:/home#
若想给新用户添加root权限,则
root@worker:/home#chmod +w /etc/sudoers
root@worker:/home# vim /etc/sudoers
添加