Linux adds super administrator instance code

小云云
Release: 2023-03-20 16:32:01
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How to add super administrator, view all users, and reset user files in Linux? This article will briefly introduce it to you.

useradd test #添加用户passwd test    
’ #设置密码usermod -g root test #设置用户权限su test #切换用户cat /etc/passwd  
#查看所有用户信息cp /etc/passwd- /etc/passwd  
#重置配置文件,需要root权限才能覆盖,所以丢失该文件之后要第一时间保证root的登录状态,重启就麻烦了(要么重装系统,要么在机箱上装系统盘进行恢复)
Copy after login
vi /etc/passwd   #设置账户配置信息
Copy after login
test:x:0:0::/home/test:/bin/bash
Copy after login

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