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Old 07-21-2005, 06:01 AM   #1
Menestrel
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Allow only a user to mount and unmout drives


How can I allow only a certain user to mount and unmount a drive ?
 
Old 07-21-2005, 06:16 AM   #2
Andrew Benton
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read man mount
 
Old 07-21-2005, 11:28 AM   #3
Menestrel
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Unhappy I've read it, maybe I'm missing something

If mount a device as root, can I unmount it as a normal user ?
 
Old 07-23-2005, 07:17 AM   #4
bp12345
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No. A normal user cannot unmount a drive that root mounted. If it is a linux partition, you can make all directories and files on the drive only accessable by a certain user or group, but not if it is a FAT32 or NTFS one. Perhaps you can make another sub-directory under /mnt or /media (wherever you want to mount it) and set that directory's permissions. Like:

/mnt/user/partition

mount the drive in 'partition' (or whatever you want to call it)
give 'user' permissions so only a specific user or group can access the drive.

I don't know if this will work, but it is worth a try.
 
Old 07-24-2005, 12:54 PM   #5
Menestrel
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when the computer boots up, it mounts the drives using /etc/fstab, these drives will be root mounted, can I set an option to mount the drives by another user at startup ?
 
Old 07-24-2005, 04:08 PM   #6
bp12345
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I don't know of any way to do it. But why would you need to? If you want a drive to be mounted at startup, why would you need to unmount it later?
If you want only a specific user/group to access/write to some files, make subfolder(s) and set the permissions appropritely. This also has the advantage of each user having their own files on one single partition.
 
Old 07-24-2005, 05:01 PM   #7
borromini
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You can put 'user' between the parameters in the specific fstab line. Like this:
Code:
/dev/hda1    /        reiser4        auto,user,ro        1        1
That way a normal user can mount/umount partitions (or cd's and stuff). Also, when mounted at boot, a user should be able to umount it anyway. So I don't think mounting it as root will prohibit any user from unmounting it with the above option in the fstab - but I'm not 100% sure about that.
 
  


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