Groups is not visible Post: 302966535

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Operating Systems Solaris Groups is not visible Post 302966535 by Don Cragun on Saturday 13th of February 2016 05:38:42 AM

02-13-2016

Registered User

So what other database is holding the groups information for your system. Note that user inf7 is not in group A or B (which do not exist in /etc/group) and is not in group A or B in the getent group group A or B shown in the list you provided in post #3 in this thread. It is also interesting to note that there is no need to add someone to both groups; both groups have the same group ID (2560).

Note also that you have also shown us that user ad3059 does not exist in the getent group output for groups C or D either, so it appears that user ad3059 only appears in the local /etc/group file; not in the network's group database. (I say this because the grep -i a would show all occurrences of ad3059 in the network's group database.)

So, it appears that user ad3059 is not in the network's group database and only appears in the system's local files (/etc/passwd and /etc/group) where there is no group A and there is no group B.

It has been a couple of decades since I worked on a Solaris 8 system, and I don't remember how it determined who would be found in local user and group databases and who would be found in network user and group databases. I also seem to remember limits on the length's of lines in the user and group databases (both local and networked) which is probably why you have group A and B in the remote group database with the same group ID. Maybe you can't add any more users to those groups because you have reached that limit. But, I am surprised that you didn't get any error messages from usermod if that was the reason for failing to add ad3059 to those remote groups.

Don Cragun

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LEARN ABOUT NETBSD

newgrp

NEWGRP(1)						    BSD General Commands Manual 						 NEWGRP(1)

NAME

     newgrp -- change to a new primary group

SYNOPSIS

     newgrp [-l] [group]

DESCRIPTION

     The newgrp command changes a user to a new primary group (real and effective group ID) by starting a new shell.  The user remains logged in
     and the current directory and file creation mask remain unchanged.  The user is always given a new shell even if the primary group change
     fails.

     The newgrp command accepts the following options:

     -l      The environment is changed to what would be expected if the user actually logged in again.  This simulates a full login.

     The group is a group name or non-negative numeric group ID from the group database.  The real and effective group IDs are set to group or the
     group ID associated with the group name.

     If group is not specified, newgrp restores the user's real and effective group IDs to the user's primary group specified in the password
     database.	The user's supplementary group IDs are restored to the set specified for the user in the group database.

     If the user is not a member of the specified group, and the group requires a password, the user will be prompted for the group password.

FILES

     /etc/group 	 The group database
     /etc/master.passwd  The user database
     /etc/passwd	 A Version 7 format password file

EXIT STATUS

     If a new shell is started the exit status is the exit status of the shell.  Otherwise the exit status will be >0.

SEE ALSO

     csh(1), groups(1), login(1), sh(1), su(1), umask(2), group(5), passwd(5), environ(7)

STANDARDS

     The newgrp command conforms to IEEE Std 1003.1-2001 (``POSIX.1'').

HISTORY

     A newgrp command appeared in Version 6 AT&T UNIX.	A newgrp command appeared in NetBSD 5.0.

BUGS

     There is no convenient way to enter a password into /etc/group.  The use of group passwords is strongly discouraged since they are inherently
     insecure.	It is not possible to stop users from obtaining the encrypted password from the group database.

BSD
								   June 6, 2007 							       BSD