[techtalk] Mounting CD's and Floppies/Using Control Panel
GJS
g_jay_s at yahoo.com
Tue Dec 21 21:45:25 EST 1999
--- Laurel Fan <lf25+ at andrew.cmu.edu> wrote:
> Excerpts from linuxchix: 20-Dec-99 [techtalk] Mounting CD's
> an.. by
> GJS at yahoo.com
> > 1) Mounting CD's and floppies in X from my user account.
> >
> > I can mount these with the mount tool but not copy from
> either
> > or write to the floppy, not even if I su - and try it again.
> I
> > can mount both from a wterm but only if I su - first.
> However, I
> > still can't write/copy.
I managed to find an answer to the mounting problem. I was
trying to mount the floppy with "mount /dev/fd0 /mnt/floppy" and
the CD with "mount /dev/cdrom /mnt/cdrom". Someone pointed out
that this doesn't work from a user account. The actual commands
that do work are "mount /dev/fd0" and "mount /dev/cdrom." For
some reason the system doesn't want the user to use the full
syntax. I don't know if this is a Mandrake thing or applicable
to all distros.
> Note that you can't write to a cd as if it was a regular
> filesystem, even if it's a cdrw or cdr.
I should have been clearer. I meant I can't read to or write
from a floppy or write from a CD. I still haven't been able to
find a way to let my user account do this.
> (What do you mean by X and wterm? Are you trying to mount it
> with something other than the 'mount' command?)
I meant when I was in the X Windowing System I tried to use the
mount command from a Wterm (it's a Window Maker substitute for
an Xterm).
>
> > The permissions on both the cd and floppy directories are
> > drwx rwx r-x owner: root group: root.
>
> > The permissions on the mount command are -rws r-x r-w
> > owner: root group: root.
>
> Sure its not
> -rwsr-xr-x 1 root root ?
Yes it is. I added the spaces to make it easier to read. (Well,
it seemed like a good idea at the time :-> )
> > The fstab file is
> > /dev/fd0 /mnt/floppy ext2 >
sync,nosuid,users,noauto,nodev 0 0
> > /dev/cdrom /mnt/floppy ext2 nosuid,
users,noauto,exec,nodev,ro 0 0
>
> For the cdrom line, the ext2 here should be iso9660. Might
> also be a
> good idea to mount it somewhere other than /mnt/floppy, in
> case you want
> a floppy and cd mounted at the same time.
The CD line in fstab is actually /dev/cdrom /mnt/cdrom
iso9660 etc. I can only blame my bad typing and aging eyes.
> Floppies are also not always the ext2 filesystem. I'm
> guessing that you
> might be trying to read a dos floppy. Personally, I use
> mtools for
> those (which you can use as a user if you have permissions on
> /dev/fd0),
> but you can also try changing the ext2 in the floppy line to
> msdos or
> vfat.
It was an ext2 diskette. I have them clearly marked so I don't
mix them up. For floppies, I've changed the fstab to read
/dev/fd0 /mnt/floppy ext2 sync,nosuid,users,noauto,nodev 0
0
/dev /fd0 /mnt/a vfat
sync,nosuid,users,noauto,nodev 0 0
and I added /a to the /mnt directory.
By using the abbreviated mount command as I mentioned above, I
can now mount floppies (ext2 or DOS) and CD's from my user
account with either the mount tool or from a command line in a
Wterm. Unfortunately, since I still can't figure out how to
give my user account write privileges, I can look but not touch.
And a solution to part two of my problem (why I can't use the
control panel tools even after I su from a command line in a
Wterm) still eludes me.
=====
Glen Strom
g_jay_s at yahoo.com
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