As long as you don't touch or make any changes to the old drive you should be fine. Just image backup the old drive, replace drives and restore to the new drive. This way if there is any problem, just put back the old drive in the laptop and restart - you should be back to the current status.
As for mounting a hard drive, you can do that using the 'mount' command (this would last only until the next log off):
Code:
mount <device name> <mount point>
In the following example the drive partition /dev/sda2 was mounted to the folder /home/david/newdrive. You have to make sure that the destination folder exists:
Code:
mkdir /home/david/newdrive
mount /dev/sda2 /home/david/newdrive
so now the folder /home/david/newdrive IS the entire drive partition /dev/sda2
To make the mounting in this example persistent between reboots, edit (CAREFULY) the file /etc/fstab to add the line:
Code:
/dev/sda2 /home/david/newdive ntfs 0 0
Of course, change the 'ntfs' in the line to the correct method.
You can find more info about how to edit the content of /etc/fstab at: https://help.ubuntu.com/community/Fstab
Hope that helps.
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