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kittygirl
Asked: 2019-01-25 18:54:16 +0800 CST

How to create a user really without group in centos 7?

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Per this question,I decide to create dummy user to be the owner of website files.

Centos 7 offer default group ID 100 when I run useradd -u 508 -M -N -s /sbin/nologin dummyuser1.
I want to provide as little as possible privilege to the dummyuser1,then I don't want dummyuser1 has group.

How to do it?

centos

1 Answers

  1. Best Answer

    Remove the -N option. You need to create a private user group exclusively for this user.

    All users must have a group. If you don't want the user to be in any other groups, then the user should be in its own group. By default a group with the same name as the user is created, and that group has the same name as the user.

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