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Old 01-01-2004, 11:01 PM   #1
Registered: Aug 2003
Location: London, Canada
Distribution: Arch Linux
Posts: 60

Rep: Reputation: 15
Changing to root from within a script


I am trying to write a script that will allow me to mount my Sony Clie memory stick by clicking on a desktop icon. I am using Mandrake 9.2 and KDE. When I enter the following in a command line it works but in a shell script it doesn't. Here are the commands:

su <enter>
myrootpassword <enter>
mount -t vfat /dev/sda1 /mnt/ClieMS <enter>
cd /mnt/ClieMS <enter>

When I go through the above sequence I can then work with the files on my memory stick fine on the command line. Although when I click on the /mnt/ClieMS directory the Konqueror file browser gives me an "Acces denied" error message. I chmod 777 /mnt/ClieMS but it doesn't help.

Second problem:

How do I change to root from within a script without having the script stop execution for me to enter the root password. That is, is there a way of writing my password into the script so that it processes my root password automatically. Here is what I tried but it stops execution for me to enter my password and then seems to exit. That is it doesn't change directories.

mount -t vfat /dev/sda1 /mnt/ClieMS
cd /mnt/ClieMS

P.S. It won't let me mount the memory stick without being root.

Any help on either of these problems would be greatly appreciated.

Bill Dika
Old 01-01-2004, 11:07 PM   #2
Senior Member
Registered: May 2003
Location: Sydney, Nova Scotia, Canada
Distribution: slackware
Posts: 4,185

Rep: Reputation: 59
well i see what your getting at, but your getting ahead of yourself, and you don't need to do what you are trying to do...
just make an entry in your fstab, to allow regular users to use this mount,
i'll show an example of an entry in my fstab for one of my drives, that allows all users to have access
/dev/hdf1               /mnt/R2                 ext3    user,rw,exec,uid=500            0 0
the part in bold is the point i am trying to get across...
so find your sda1 device in your fstab and change the options accordingly...
i personally use the uid=500 because that is the userID of my regular user, and i don't use any other users so thats how i defined it...
alot of people use the option umask=000 instead, so its up to you..
Old 01-01-2004, 11:23 PM   #3
Registered: Aug 2003
Location: London, Canada
Distribution: Arch Linux
Posts: 60

Original Poster
Rep: Reputation: 15
Thanks Dr Ozz but unless I'm mistaken I don't think that I can put it into fstab file because the Sony Clie has to be in the connection cradle and activated before the mount command is issued or the mount command will fail. Its a usb connection.

Is my thinking correct here or should I be trying that anyway.

Many thanks.

Bill Dika


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