* Start a "terminal" session login as the "root" user ID.
* Issue the following command to unmount the external drive:
<blockquote> umount /media/usbdrive</blockquote>
* Should an error occur indicating that the drive is busy and cannot be unmounted enter the command below. Then try the unmount command again.
<blockquote> fuser -km /media</blockquote>
===Installing rsnapshot===