Linux User Management-user group account management

1. User group account configuration file

------/etc/group

Field 1: User group name

Field 2: User group password, General Linux User Group No password, default is null or X

Field 3:gid

Field 4: List of member users

------/etc/gshadow

Field 1: User group name

Field 2: User group password, General Linux User Group No password, default is null or X

Field 3: List of group Administrators

Field 4: List of member users

2, group account additions and deletions to check

1> Add group account------Groupadd

Format: Groupadd [-G GID] Group name

2> setting Group members------GPASSWD

Format: gpasswd [options] Group name

Common options

-A defines the group Administrator list

-a adds a group member and can only add one at a time

-D Deletes a member of a group, deleting only one at a time

-M defines the group members, the list of users, can be set multiple, with ', ' separated, each setting will overwrite the previous settings

Gpasswd-m "" User group name------> Empty a group

3> Delete Group account------Groupdel

Format: Groupdel Group name

* * Deleted target group cannot be user's base group

4> set group password, toggle Basic Group

Device Group password: GPASSWD Group name

Remove device group password: GPASSWD-R Group name

Toggle Base Group: NewGroup Group name

Note: If the target group is one of the current user public groups, no password is required, otherwise the password needs to be verified

Linux User Management-user group account management