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Old 11-13-2004, 12:19 PM   #1
exvor
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User mount ??


Is there a way to allow a normal user to mount and unmount a cd rom or a nfs share?? Im asking this from a slacware10 point of view . Main reason for this question is i can never mount a nfs share as root in something other then read only ??
 
Old 11-13-2004, 12:48 PM   #2
david_ross
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You will need to put the "user" option for that mount in /etc/fstab
 
Old 11-13-2004, 01:04 PM   #3
exvor
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mount

Ok testing what you said right now with the cd rom on the system.


Adding user to the fstab for the cd rom


this is what the entry looks like
------------------------------------------

/dev/cdrom /mnt/cdrom iso9660 noauto,owner,ro,user 0 0 \



saved the /etc/fstab and rebooted for good mesure.


upon reboot

user@compname# mount /dev/cdrom
mount: must be superuser to use mount


any ideas now ??
 
Old 11-13-2004, 01:28 PM   #4
david_ross
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You will need to make mount suid root:
chmod o+s /bin/mount
 
Old 11-13-2004, 02:00 PM   #5
exvor
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OK



here are the commands
--------------------------------------------------------

user@compname# su

root@compname# chmod o+s /bin/mount

root@compname# exit

user@compname# mount /dev/cdrom
mount: must be superuser to use mount

----------------------------------------------------------------

Damnit damnit damnit damnit damnit why the hell does slackware not allow a user to *#(#ing use mount?
 
Old 11-13-2004, 02:04 PM   #6
david_ross
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Sorry - it's my mistake, drop the "o" from the chmod command and use "u":
chmod u+s /bin/mount

You should get this from an "ls -l":
-rwsr-xr-x 1 root bin 68868 Aug 26 2003 /bin/mount*

Last edited by david_ross; 11-13-2004 at 02:06 PM.
 
Old 11-13-2004, 02:12 PM   #7
exvor
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AHHH HA


that worked. thanks

But on another note why is this not the default permission for the mount program. And as obious as this would seam A: because normally a system admin wouldent want users to be able to mount. my answer would be 2 things


1. theres an option you can remove or add to fstab "user"

2. You need to mount nfs exports as a user because root is auto blocked.



Again i rehash my other question

Why in gods name does slackware not make mount with this option. Why put somone though the tramma of figuring out the permission?
 
Old 11-13-2004, 02:50 PM   #8
david_ross
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Well I'm on slack 9.1 and that is the default. Perhaps Pat just made a mistake or decided to change it for some reason in 10.
 
Old 11-13-2004, 08:40 PM   #9
JCdude2525
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well, if you take the owner option out of /etc/fstab, then you would have saved
some time, but of course there is probably some kind of backgire to that.
 
  


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