Linux使用其他用户(非root用户)设置root权限及免密(Centos7为例)

[root@smiletian ~]# groupadd -g 1234 tian
[root@smiletian ~]# useradd -u 1234 -g tian test
[root@smiletian ~]# passwd test 
Changing password for user test.
New password: 
Retype new password: 
passwd: all authentication tokens updated successfully.

[root@smiletian test]# su - test
Last login: Sun Sep 18 23:35:57 PDT 2022 on pts/2
[test@smiletian ~]$ sudo mkdir abc
[sudo] password for test: 
test is not in the sudoers file.  This incident will be reported.

[test@smiletian ~]$ su
Password: 
[root@smiletian test]# vi /etc/sudoers

## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
test    ALL=(ALL)       ALL

## Same thing without a password
#%wheel ALL=(ALL)       NOPASSWD: ALL 

## Same thing without a password
%wheel ALL=(ALL)       NOPASSWD: ALL

[root@smiletian test]# su - test
Last login: Sun Sep 18 23:54:07 PDT 2022 on pts/2
[test@smiletian ~]$ su
Password: 
[root@smiletian test]# vi /etc/sudoers
[root@smiletian test]# su - test
Last login: Mon Sep 19 00:08:24 PDT 2022 on pts/2
[test@smiletian ~]$ sudo mkdir abc
[sudo] password for test: 
[test@smiletian ~]$ sudo mkdir abd
[test@smiletian ~]$ sudo mkdir abf
[test@smiletian ~]$ ll
total 0
drwxr-xr-x. 2 root root 6 Sep 19 00:20 abc
drwxr-xr-x. 2 root root 6 Sep 19 00:20 abd
drwxr-xr-x. 2 root root 6 Sep 19 00:21 abf

[root@master ~]# vim /etc/sudoers

## Allow root to run any commands anywhere
root    ALL=(ALL)     ALL

## Allows people in group wheel to run all commands
%wheel  ALL=(ALL)       ALL
用户名   ALL=(ALL)     NOPASSWD:ALL