# sudo免密码操作

有时候我们只需要执行一条root权限的命令也要su到root，多数时候我们可以用sudo代替，但是也可以让当前用户加入sudo用户组，赋予当前用户特殊的权限。默认新建的用户不在sudo组，需要编辑/etc/sudoers文件将用户加入。

```bash
sudo vim /etc/sudoers

#################末尾添加###########
zyadmin ALL=(ALL) NOPASSWD:ALL

##################################
wq! 强制保存后退出
```


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