I do this all of the time, but my computer is newer and has a boot manager
built in. I press ESC when it boots and can choose the drive to boot. You
can get boot managers that will work from a CD or even a floppy if you have
no boot manager in the BIOS.
I always put GRUB on the external drive. In Ubuntu you choose a manual
installation. Put it on the external drive and for GRUB it will default to
sda so you need to watch for that step and change to the other device where
you put the OS. Other distros are less flexible and some do not even allow
you the option to choose a different location. Some will give you the
option but still install to sda. This is not rocket science. You have to
work with what you have and do the best you can.
Roy
Using Kubuntu 12.04, 64-bit
Location: Canada
On 27 May 2012 16:16, Joan Leach <jleach728@sbcglobal.net> wrote:
> **
>
>
> I'm trying to help a friend with a P3 mobile 800 MHz with maximum RAM of
> 384 MB, it's a Compaq Presario 18XL4. When they gave it to me it only had
> 128 MB, I finally found an 8 chip 256 MB PC100 So-Dimm out of a Dell P4
> laptop that would work in it.
>
> So I found a few Linux Live CDs that would work, but some gave a vertical
> line down the screen including Lubuntu and Puppy based off Ubuntu files, my
> guess is the ATI card, but the latest LinuxMint LXDE 13 RC didn't have that
> problem. At least, Mint with it's hard disk tool let me know the hard drive
> may eventually fail, now it has WinXP Pro Sp3 and the M$ Security
> Essentials, which take up about half the 10 GB hard disk, so I put on
> Firefox, and the smallest word processor and spreadsheet from the Linux
> world to get them ready for Linux.
>
> However, it would be nice if I could install Linux on an external hard
> drive without Grub putting on a boot manager on the internal hard drive...I
> use PLop from Hiren's Boot CD on mine, but is there another way? Most Linux
> Live CDs take so long to load on a computer this old, but if you're short
> on cash you learn to make do.
>
> Thanks,
> Joan in Reno
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
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