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Date:      Wed, 20 May 1998 00:22:47 -0500
From:      Dan Nelson <dnelson@emsphone.com>
To:        wroberts <wroberts@med.wayne.edu>, freebsd-questions@FreeBSD.ORG
Subject:   Re: groups: login complains uuuu is in too many groups using 1st 16
Message-ID:  <19980520002247.A16829@emsphone.com>
In-Reply-To: <35625CA9.DD0EBA61@med.wayne.edu>; from "wroberts" on Wed May 20 00:31:38 GMT 1998
References:  <35625CA9.DD0EBA61@med.wayne.edu>

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In the last episode (May 20), wroberts said:
> login: usrxyzx  is in too many groups, using first 16
> 
> The above message happens when usrxyzx logs in.  Each user is give
> their own group and other users needing access to the group are added
> to the individual groups.  This seemed like a very good idea,
> particularly after dealing with VMS's scheme.  Our planned expansion
> configuration will require that serveral supervisors will have access
> to many (more much than 16) user's data.
> 
> On examination of the /etc/group file, usrxyzx is listed in 15 groups
> (including wheel).  Is this a real problem, I can't seem to find this
> problem anywhere else, and the other users who are in the same number
> of groups do not get this message.

Try running "id usrxyzx" to see which groups they have been assigned
to.

You can raise the number of groups a userid can be in by adjusting
NGROUPS_MAX in /usr/src/sys/syslimits.h, then doing a make world.  Even
though the sysctl kern.ngroups holds the max # of groups, quite a few
binaries use the NGROUPS #define instead of lookin up the current
value.

According to an earlier post by Terry, you may still have problems if
you are NFS mounting filesystems; apparently they are limited to 16
groups/user.

	-Dan Nelson
	dnelson@emsphone.com

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