how to get at the files "under" a mount point?

[Marius Gedminas]

On Tue, Jun 02, 2009 at 02:24:06PM -0000, Bob F Nord wrote:
> Is there any way to see what's in the /tmp directory (for
> example) on the / filesystem while another filesystem (tmpfs in
> this case) is mounted on /tmp?

Yes.  Use bind mounts, e.g.

  mkdir /mnt/root
  mount -o bind / /mnt/root
  ls /mnt/root/tmp

When you're done,

  umount /mnt/root

> Or do I have to change fstab, reboot, poke around in there,
> change fstab back, and reboot, in order to do this?

No.

Marius Gedminas
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