Groups is not visible

02-13-2016

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Groups is not visible

OS : SunOS 5.8

I am trying to add a user ad3059 to the following groups,

Code:

A   B   C   D ( four groups A,B,C,D)

When i use usermod command and add the user to the above groups,

and go to

Code:

> groups ad3059
other C D

It doesnt show A and B groups and shows it as other.Please advice on how can we fix the issue

Last edited by Don Cragun; 02-13-2016 at 04:01 AM.. Reason: Add CODE and ICODE tags.

Revathi2089

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02-13-2016

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Exactly what usermod command or commands did you use to add that user to those four groups?

How many other users are in groups A and B?

How many groups include user ad3059?

What output do you get from the command:

Code:

grep 'ad3059' /etc/group

and from the command:

Code:

grep '^A:' /etc/group

(where A is the name of one of the groups that you have added user ad3059 to that is not showing up after you have added that user to the group, that user has logged out, that user has logged back in, and that user runs the command:

Code:

groups

)?

Don Cragun

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Hello Don,

Thank you for the quick reply,

I created the user using the below command,

Code:

useradd -G A,B,C,D -d /msdhome/ad3059 -m ad3059

its only these four groups that is with this particular user.

Output:

Code:

grep 'ad3059' /etc/group
D::2098:ad3059
C:*:2015:ad3059

Kindle help me the procedure to add user ad3059 to group A and B as well,

---------- Post updated at 03:25 AM ---------- Previous update was at 03:20 AM ----------

Code:

# grep '^A:' /etc/group

Is not showing any result

Code:

root@bnesrv #  grep '^A:' /etc/group
root@bnesrv #  grep '^A:' /etc/group

Last edited by Scrutinizer; 02-13-2016 at 04:42 AM.. Reason: code tags

Revathi2089

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02-13-2016

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If grep '^A:' /etc/group is showing no output, group A must not exist. I see nothing in the usermod man page saying that it will create new groups.

Try using /usr/sbin/groupadd to add the new groups to /etc/group and then rerun the usermod command to add that user to the newly created groups.

Last edited by Don Cragun; 02-13-2016 at 06:35 AM.. Reason: Fix typos: s/useradd/usermod/

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Hello Don,

Group A exists ,meaning if i do the following command,

Code:

root@bnesrv50 # getent group | grep -i A
A:*:2560:a9ad3059,a9an2462,a9ap2447,a9cb2519,a9dm3678,a9es5342,a9jc2364,a9jd3062,a9jl1987,a9lz6481,a9nh4814,a9nm2713,a9rs2507,a9wa2556,ah1901,alastair,at2tha,bryans,c9dg2497,c9fl6347,c9pm2994,c9rc2865,cw2659,dennism,dr2551,eliza,fg2287,ge1700,gkelly,ja2406,jdowling,jkennedy,mf3525,mw2955,petewil,philob,pv2571,rakesh,rg4365,rj2619,rv3526,sl3353,sorcha,t9ar4510,t9ds4473,t9ga4650,t9jg2677,t9kk4511,t9km3147,t9lp4607,t9mt4512,t9ng4556,t9ns4681,t9ra4517,t9rb4551,t9rk4550,t9rs4518,t9rs4519,t9rs4687,t9rv4688,t9sk4509,t9sn4558,t9tk5064,t9tl2850
root@bnesrv50 # getent group | grep -i B
B:*:2560:a9ad3059,a9an2462,a9ap2447,a9cb2519,a9dm3678,a9es5342,a9jc2364,a9jd3062,a9jl1987,a9lz6481,a9nh4814,a9nm2713,a9rs2507,a9wa2556,ah1901,alastair,at2tha,bryans,c9dg2497,c9fl6347,c9pm2994,c9rc2865,cw2659,dennism,dr2551,eliza,fg2287,ge1700,gkelly,ja2406,jdowling,jkennedy,mf3525,mw2955,petewil,philob,pv2571,rakesh,rg4365,rj2619,rv3526,sl3353,sorcha,t9ar4510,t9ds4473,t9ga4650,t9jg2677,t9kk4511,t9km3147,t9lp4607,t9mt4512,t9ng4556,t9ns4681,t9ra4517,t9rb4551,t9rk4550,t9rs4518,t9rs4519,t9rs4687,t9rv4688,t9sk4509,t9sn4558,t9tk5064,t9tl2850

The output shows that the group A and B exists,
Also when i check for other user,

Code:

#groups inf7
A B mincom

Looks like the above user inf7 has been added to the A,B group.

So the groups actually exists.Please guide me on what can be done.Thanks in advance.

Last edited by Scrutinizer; 02-13-2016 at 06:45 AM.. Reason: code tags

Revathi2089

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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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Thanks Don,

I am not sure why i am able to add the user to group CD but not AB.
when i give

Code:

#grep 'ad3059' /etc/group D::2098:ad3059 C:*:2015:ad3059

But not A and B not sure

Last edited by Scrutinizer; 02-13-2016 at 07:11 AM.. Reason: code tags

Revathi2089

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