CentOS system temporarily prohibits a user's method _linux

Objective

In the process of using the CentOS system, if you do not want to delete users, only temporarily or in the short term to prohibit a user login system, you can use the following two ways to achieve:

1, only the user's records removed from the /etc/passwd file, leaving only its home directory and other documents unchanged;

2. In the /etc/passwd file (or /etc/shadow ), the first character in the passwd field of the user is preceded by a "*" number.

Note: This only prohibits a user. If you want to remove a user, the items that need to be deleted include:

1. /etc/passwd relevant user record in the document;

2, the /etc/group file of the user's information;

3, the user's home directory, generally in the/home directory;

4, the user created, or belong to the user's file.

userdel command is used to delete users and their home directories.

The command format is:

$ userdel [-R] Username

-rOption: Indicates that the file with the home owner directory and its internals will be deleted.

Summarize

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