Liunx gives a common user root privilege common practice

Source: Internet
Author: User

CentOS gives a normal user root privileges

1, add the user, first with the AddUser command to add a normal user, the command is as follows:

#adduser Tommy//Add a user named Tommy

#passwd Tommy//Change Password


To modify the /etc/passwd file, locate the following line and change the user ID to 0 as follows:


Modified as follows


Save, with Tommy account login, directly get the root account permissions.

Supplemental Root:x:0:0:root:/root:/bin/bash

    • 3.User ID user identification Code, referred to as UID.

      The UID is used internally by the Linux system to identify the user, not the user name. The UID is an integer and the UID of the user is different. 0 is the system Administrator account number, 1-499 is the system reserved account, the engineer is General account

    • 4.Group ID User Group identification code, referred to as GID.

      Different users can belong to the same user group and have the permissions shared by that user group. Like the UID, the GID uniquely identifies a user group. Set with Usermod-g

Liunx gives a common user root privilege common practice

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