[cs615asa] Assignment #4 Questions

[Lisa Joseph]

Hi,

I just got confused with this mail chain..mebbe my understanding is 
wrong..but just wanted to clarify it.

Adding user/group in remote system:
1) UID exists
error: UID is not unique
2)Username exists
error: user already exists
3)GID exists
error: GID is not unique
4)groupname exists
error: group already exists

These were the errors thrown by the remote system when i tried all 
those 4 scenarios and permutations and combinations of those...
So my understanding is (uid,username) and (gid,groupname) should be 
unique. You are not allowed to do mix and match...

>> > What happens if the group name already exists and the GIDs (local and
>> > remote) do not match?
>>
>> Hmmm.  Name exists, but gid mismatch.  Let's say: use given name, ie
>> accept different gid.

When i gave same groupname and different gid , groupadd command didnt 
allow me to add new group since name is already existing. Also in 
useradd command only groupid matters. So am i missing something here? 
Or the command i use "groupadd" doesnt allow it but there are some 
other commands which allow it ?? I am sorry if am confusing others..but 
i just got stuck...

Thanks in Advance,
Regards,
Lisa.



Teddy Reed wrote:


>Sayer,
>
>Thanks for the input, that's what I was thinking as well.
>
>Jan,
>
>Makes sense, thanks.
>
>On Tue, Apr 20, 2010 at 10:04 PM, Jan Schaumann 
<jschauma at cs.stevens.edu>wrote:
>
>> Teddy Reed <treed at stevens.edu> wrote:
>>
>> > What to do if the UID is already assigned?
>>
>> I'll say... skip this user, but print a reasonable diagnostic/error
>> message.
>>
>> > What happens if the group name already exists and the GIDs (local and
>> > remote) do not match?
>>
>> Hmmm.  Name exists, but gid mismatch.  Let's say: use given name, ie
>> accept different gid.
>>
>> -Jan
>>
>> -----BEGIN PGP SIGNATURE-----
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>> iD8DBQFLzl0aH321zrgOg6URAqeBAJ9hF9doA/J70Ik/8QGexeh2WRA2owCfWSjf
>> A7sUmHwz4T3izawM43p4bbc=
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>>
>
>
>-- 
>Theodore M. Reed V
>


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