Re: only root can unmount
>> I get the following error when unmounting dvd:
>> $ umount /mnt/dvd
>> umount: only root can unmount /dev/dvd from /mnt/dvd
>> Strange is that, I have "user" in my fstab:
>> $ grep dvd /etc/fstab
>> /dev/dvd /mnt/dvd auto user,noauto,exec,ro 0 0
>> and moreover, I mounted /mnt/dvd as myself, not root.
Maybe you need to setuid root for /bin/umount (as this is usually):
-rwsr-xr-x 1 root root 44088 2008-04-29 03:57 /bin/umount
Hope this helps you.