chown: <file>: Not owner on Solaris 9

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# 1  
chown: <file>: Not owner on Solaris 9

on a Solaris 5.9 machine no user except for root is able to use chown.
for exmaple:

> touch iamgal
> ls -la iamgal
-rw-r--r--   1 galtest1 other          0 Dec 19 08:40 iamgal
> chown galu iamgal
chown: iamgal: Not owner

I have checked about /etc/system and rstchown - it is already configured to 0 so there is nothing to do here

could anyone suggest ?

Thanks. Gal

Last edited by radoulov; 12-20-2011 at 05:53 AM.. Reason: Code tags.
# 2  
What do you get from the following commands?
id -a
## cd ..  (up one level)  dir == the name of the dir the  iamgal file lives in
ls -ld dir

You have to have write access to the directory and own the file to chown it. Unless you are root. That seems to be true in this case, but something is going on.

Last edited by radoulov; 12-20-2011 at 05:54 AM.. Reason: Code tags fixed.
# 3  
What also says (as root):
echo rstchown/d | mdb -k
df -k .

# 4  
> id -a
uid=1000002(galtest1) gid=1(other) groups=1(other)
> ls -ld ../tmp
drwxrwxrwt  11 root     root        5355 Dec 20 08:35 ../tmp

>  echo rstchown/d |mdb -k
mdb: failed to open /dev/mem: Permission denied

> df -k .
Filesystem            kbytes    used   avail capacity  Mounted on
swap                 106454432     456 106453976     1%    /tmp

Let me know if anything else can help

Moderator's Comments:
Mod Comment Video tutorial on how to use code tags in The UNIX and Linux Forums.

Last edited by radoulov; 12-20-2011 at 05:54 AM..
# 5  
I asked for mdb to be run as root.
Some ideas anyway:
/tmp is on tmpfs and has the sticky bit set (last permission bits = t), this might be the reason why chown fails.
Do you observe the same issue on a regular directory (drwxrwxrwx) and on UFS / ZFS ?
# 6  
Has the system been rebooted since the change was made to /etc/system?

Last edited by garskoci; 12-20-2011 at 12:00 PM..

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