[Xymon] Hobbit Permission Problem

[Adam Goryachev]

On 29/03/2011 3:40 PM, David Baldwin wrote:
> On 29/03/11 3:34 PM, Adam Goryachev wrote:
>> On 29/03/2011 3:09 PM, David Baldwin wrote:
>>>> Finally, here is all the info I can see on the file:
>>>> hobbit at host:/var/log$ stat /var/log/messages
>>>>   File: `/var/log/messages'
>>>>   Size: 21353           Blocks: 48         IO Block: 1048576 regular file
>>>> Device: eh/14d  Inode: 4202796     Links: 1
>>>> Access: (0640/-rw-r-----)  Uid: (    0/    root)   Gid: (    4/     adm)
>>>> Access: 2011-03-28 20:21:00.000000000 +1100
>>>> Modify: 2011-03-29 13:27:00.000000000 +1100
>>>> Change: 2011-03-29 13:27:00.000000000 +1100
>>>>
>>>> I'm running a fairly standard Debian lenny
>>>>
>>>> The root user has no problem reading/writing the file/etc....
>>>>
>>>> Any pointers would be appreciated....
>>> My solution to this one is to modify /etc/logrotate.d/syslog and change
>>> group permissions on the file in question. A better solution might be to
>>> use ACLs, but I tried that once and ran into an issue where '-r' test
>>> didn't respect ACLs when checking it could read the log file! That may
>>> have been back in the days of BB even... Group permissions haven't
>>> caused any issues anyway :)
>> Thanks for your suggestion, but I have other processes that rely on the
>> adm group having access to the log files, and I don't want to make them
>> world readable.
>>
> Sorry, didn't read all your message closely enough.
>> The very short problem is:
>> 1) I am a user with a supplemental group (adm)
>> 2) I have a file with my supplemental group (adm) which is group readable
>> 3) I can't read the file
>>
>> I understand permissions, groups, etc very well, I understand logrotate
>> and it's config files, but I am stumped as to why this isn't working....
> Did you restart the hobbit client process after you changed the group
> membership of the hobbit user?
Yes, this problem has been around for a while, I've rebooted the system
a number of times as well....

Regards,
Adam