1. 新建用戶ubuntu
root@ubuntu:~# adduser hadoop root@ubuntu:~# passwd hadoop #爲hadoop用戶設置密碼
2. 爲hadoop用戶添加sudo權限oop
root@ubuntu:~# sudo gedit /etc/sudoers
把root那行復制後改爲hadoop,hadoop就有了sudo權限,須要sudo密碼則爲ALL,不須要則NOPASSWD:ALL。code
root ALL=(ALL) NOPASSWD:ALL hadoop ALL=(ALL:ALL) ALL