What should I do if the ROOT permissions are insufficient when creating a new user under CentOS 7?

The solution to the problem of insufficient ROOT permissions when creating a new user under CentOS 7: first modify the [/etc/sudoers] file and use tom to log in; then use the s[udo su -] or [sudo] command and enter tom Password; finally use exit to exit the root user mode.

Solution to the problem of insufficient ROOT permissions when creating a new user under CentOS 7:

Step 1: Add user

Command:

#adduser tom    <!--此处以用户tom为例-->

Step 2: Change password

Command:

#passwd tom

Enter according to the prompts Enter the password twice to complete the password setting.

Step 3: Set user permissions

Method 1: Modify the /etc/sudoers file (recommended method)

Command:

    #visudo    <!--找到下面一行，并在其后新增一行，如下所示：-->
    ## Allow root to run any commands anywhere
    root    ALL=(ALL)     ALL
    tom    ALL=(ALL)     ALL    <!--新增行-->

Save and exit, use tom to log in, then use sudo su - or sudo command, enter tom's password, you can obtain root permissions to execute the command; use exit to exit the root user mode.

Method 2: Add the user to the root group

Command:

    #usermod -g root tom

Use su - to obtain root permissions; use exit to exit root user mode.

Method 3: Modify the /etc/passwd file, find the following line, change the user ID to 0

    tom:x:1000:1000::/home/tom:/bin/bash

Change to:

    tom:x:0:0::/home/tom:/bin/bash

Related tutorial recommendations: centos tutorial

The above is the detailed content of What should I do if the ROOT permissions are insufficient when creating a new user under CentOS 7?. For more information, please follow other related articles on the PHP Chinese website!