[Ilugc] how to boot from external usb hdd
- From: d_rosh2001@xxxxxxxxxxx (Roshan)
- Date: Tue Aug 5 10:03:01 2008
--- On Mon, 4/8/08, Deepak Dikshit wrote:
How is it possible to boot a machine (Linux/Windows) from
external USB harddisk?
I have installed Kubuntu on a external USB harddisk and the installation
procedure is almost same as installing it on any internal IDE / SATA disk.
(Recommended 7.10 / 8.04; Kubuntu preferably ;))
a. Boot from K/Ubuntu LIVE CD with the USB disk connected to the computer.
b. Start the installation procedure; Select Manual Partitioning, and choose to
partition your USB hard disk with a partitioning scheme suitable to your needs.
(For an ideal scheme see:
https://help.ubuntu.com/community/DiskSpace)
c. Make sure, you are partitioning the USB hard disk (ideally, would be sdb)
while performing a manual partitioning.
d. Advanced upto the last step, where you can confirm all the installation
parameters. Before you hit the 'next'/ 'finish' button, click on "Advanced
Options"
e. In that you'll see (hd0), within a textbox, which specifies the installation
disk of GRUB. Note, your first hard disk (internal IDE / SATA) is hd0, and
therefore, change the entry to 'hd1' in that textbox and click OK. If you
forget this, you'll end up having the USB disk connected to the computer,
whenever you want to boot.
I assume, you'll try this out.
Not surprisingly, when you try to boot off this disk, the OS doesn't boot. You
need to make a small change in the file
/boot/grub/menu.lst
on the line of root (hd1,x) to (hd0,x).
Why? I have noticed, when you are trying to boot from the USB disk, it happens
to be the "first" hard disk (hd0).
I would also request you to read:
https://wiki.ubuntu.com/LiveUsbPendrivePersistent
(Method 1) at-least once, carefully, before you begin installation.
If you have laptop pre-installed with Windows Vista / XP, and have purchased an
external USB disk, such a setup might be ideal for you to use both OSes (if
required; or just Kubuntu).
However, I'm not really sure, if the USB hard disk is capable to bear the same
wear and tear the internal hard disk does.
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