bug#22030: chown permission denied

[Assaf Gordon]

tag 22030 notabug
close 22030
stop

Hello,

On 11/27/2015 03:50 AM, Catalino Rivera wrote:
> I successfully mounted NFS to a ubuntu server and access the file, however, 
> linking this mounted thing to SVN and change the ownership giving a heck of 
> headache, been scrolling all the
> solution in the WWW, but no luck.
[...]
> # chown -R www-data: subversion myproject
>
> "permission denied"

To help us identify the issue, please post the exact error message from 'chown',
and the output from 'chown --version'.
A typical error message from GNU coreutils' chown looks like so:

    $ chown --version | head -n1
    chown (GNU coreutils) 8.23.170-02f67

    $ sudo touch 1
    $ chown gordon: 1
    chown: changing ownership of ‘1’: Operation not permitted

Without knowing full details,
My first guess would it that it might have something to do with root-squashing 
on the NFS-server-side
(meaning, the 'root' user on your Ubuntu server does not actually have 
super-user permissions on the NFS mount,
and thus ownership modifications are blocked).
more information here: https://en.wikipedia.org/wiki/Unix_security#Root_squash .

regards,
 - assaf