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Full Discussion: grant root privileges to ordinary user
Operating Systems Linux grant root privileges to ordinary user Post 302233999 by ankurjain on Tuesday 9th of September 2008 12:11:48 AM
Old 09-09-2008
From man mount :

Quote:
(iii) Normally, only the superuser can mount file systems. However, when fstab contains the user option on
a line, anybody can mount the corresponding system.

Thus, given a line
/dev/cdrom /cd iso9660 ro,user,noauto,unhide
any user can mount the iso9660 file system found on his CDROM using the command
mount /dev/cdrom
or
mount /cd
For more details, see fstab(5). Only the user that mounted a filesystem can unmount it again. If any user
should be able to unmount, then use users instead of user in the fstab line. The owner option is similar to
the user option, with the restriction that the user must be the owner of the special file. This may be use-
ful e.g. for /dev/fd if a login script makes the console user owner of this device. The group option is
similar, with the restriction that the user must be member of the group of the special file.
Regards
-AJ
 

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LEARN ABOUT DEBIAN

usermount

USERMOUNT(1)						      General Commands Manual						      USERMOUNT(1)

NAME

       usermount - A graphical tool to mount, unmount and format filesystems.

SYNOPSIS

       usermount [ options ]

       userformat [ device ] [ options ]

DESCRIPTION

       usermount is a graphical tool to allow users to easily manage removable media, such as floppy disks or zip disks.  When the tool starts up,
       it scans /etc/fstab for all filesystems that have been configured to allow users to mount and unmount them.  The filesystem can be  mounted
       or unmounted by pressing the toggle button labeled Mount.

       Also,  if  the user has the appropriate permissions for the device, the Format button will be active.  This allows the user to format disks
       using fdformat and create a new filesystem of the type listed (using mkfs with the  appropriate	option).   Naturally,  the  user  will	be
       prompted for confirmation before actually destroying data on the device.

       Note that if a device is already mounted, the format button is inactive for all entries that share the same device.

       When run as root, usermount displays all of the entries in /etc/fstab rather than just the ones with the user option.

       Invoking userformat device allows formatting device, as if by selecting device in the userformat window, and by clicking the Format button.

OPTIONS

       This program has no command line options of it's own, but it does take the standard X program options like -display and such.  See the X(1)
       man page for some of the common options.

FILES

       /etc/fstab		The system file describing the mountable filesystems.

SEE ALSO

       mount(8), fdformat(8), mkfs(8), fstab(5) X(1)

BUGS

       Mount entries with a filesystem type of iso9660 are outright considered CD-ROMs and the format button is always disabled.

       Mount entries for swap files or partitions are also ignored.  A nice feature might be to allow root to turn swap on and off for swap parti-
       tions.

AUTHOR

       Otto Hammersmith <otto@redhat.com>

Red Hat 							   March 13 2007						      USERMOUNT(1)
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