Hot answers tagged external-hdd
Run this for both sdb1 & sdb2. If external drive and you are sure everything is unmounted, you can run from inside your working Ubuntu. Others may need to use live installer. From liveDVD/Flash so everything is unmounted,swap off if necessary, change example shown with partition sdb1 to your partition(s) e2fsck is used to check the ext2/ext3/ext4 ...
To do that, you need to specify where every partition is mounted in fstab. Tutorial Get the UUID (Universally Unique Identifier) of every of your hard drives you like to mount in one and the same folder. Plug the HDD in and run sudo blkid and copy the UUID of the drive you want to mount. Write it down on a piece of paper or, for less typing, in a text ...
Overall just start the installation but when it gets to the page where it asks you to select install location and such select "something else" then set the bootloader install location to the external hdd and the / mount point on it as well.
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