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Full Discussion: How to setup sudoers file ?
Top Forums UNIX for Beginners Questions & Answers How to setup sudoers file ? Post 303002213 by hergp on Saturday 19th of August 2017 04:22:16 PM
Old 08-19-2017
sudo switches users, not groups. But you can assign the apache group to those users as secondary group
Code:
usermod -a -G apache fred

After this, fred is a member of both groups simultaneously. Both groups are used to check access rights to files, etc. If fred wants to change his primary group to apache, he can use
Code:
newgrp apache

which swaps his primary and secondary group. For access checks, nothing has changed, but new filesystem objects will have apache has their group.

If you need to replace these users' primary group with apache permanently, just use
Code:
usermod -g apache fred

This User Gave Thanks to hergp For This Post:
 

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groupdel(1M)															      groupdel(1M)

NAME
groupdel - delete a group from the system SYNOPSIS
group DESCRIPTION
The command deletes a group from the system by removing the appropriate entry from the file. The command must be used with the group argument which is the name of the group to be deleted. The name consists of a string of printable characters that may not include a colon or newline Refer to usergroupname(5) to understand the functionality changes with the Numeric User Group Name feature. Options The command uses the following option: Exercise the safe delete feature. That is, if the gid of the primary group of any system user matches the gid of group, then group is not deleted. NIS The command is aware of NIS user entries. Only local groups may be deleted with Attempts to delete an NIS group will result in an error. NIS groups must be administered from the NIS server. If is used on a system where NIS is installed, it may fail with the error (return value 6), if the group specified is an NIS group (see group(4)). RETURN VALUE
exits with one of the following values: No error. Invalid command syntax. Invalid argument supplied to an option. group does not exist. Cannot modify the file. file or file busy. Another command may be modifying the file. Unable to open or file is non-existent. group is busy or cannot delete the primary group. EXAMPLES
Delete the group from the file if it exists: WARNINGS
Because many users may try to write the file simultaneously, a password locking mechanism was devised. If this locking fails after subse- quent retrying, terminates. FILES
SEE ALSO
users(1), groupadd(1M), groupmod(1M), logins(1M), useradd(1M), userdel(1M), usermod(1M), group(4), usergroupname(5). STANDARDS CONFORMANCE
groupdel(1M)
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