Klistvud wrote:
Dne, 07. 12. 2010 12:46:54 je Bernard napisal(a):
Hi to Everyone,
I wish to install Linux on a computer where MSWIN XP is already
running. I thought I would first resize (shrink) the windows
partition so as to create free space for Linux install. I did that,
using GParted.
Your absolutely *necessary* next step is to boot into Windows and do a
scandisk. Windows has to recheck its own bits and pieces after being
resized, or else...
I have done that. The scandisk started automatically at the first reboot
following resizing. But that did not solve the problem : the Ubuntu
10.10 iso install CD did not reckognize any workable space to do its job.
Problem is : at next step, when trying to install Ubuntu 10.10 with
an iso CD, the install system does not see any useful partition. It
only sees /dev/sda, while it should show /dev/sda1 and /dev/sda2.
Using "SystemRescueCD', I am able to mount both partitions and
display their size using 'df', but the Ubuntu install system does not
see them. Whether I format /dev/sda2 to ext2 or ntfs, or if I just
leave the space without formating, the Ubuntu install CD does not see
any suitable space for that purpose.
I came to wonder if, by any chance, my failure was due to that I did
not create a partition table.
No. If you have a working Windows installation, you definitely do have
a partition table.
The GParted iso CD offers this possibility, but then it warns you
that creating a partition table will erase all data in all partitions..
And that is exactly what will happen. So you don't want to do that.
Creating a partition table erases *everything* that was previously on
your disk.
So, maybe I should first create a backup of the MSWIN partition using
Partimage, then run Gparted again and create a partition table, then
install Ubuntu (if the iso CD finds what it needs once a new
partition table is created), then restore the MSWIN saved
partition... (or, maybe, the way around, that is, first restore MSWIN
and install Ubuntu next)
IIRC Windows XP wouldn't work anymore, after such a process. What you
want to do is leave the Windows partition(s) untouched. Install
GNU/Linux on the freed space, and preferably have Grub install in the
GNU/Linux partition, NOT on the MBR. That way, you minimize the risk
of Windows having a fit.
Prior to attempting such a risky process, I wish I had hints from
those who have already tested, since a number of questions still
remain :
Is it allright to backup and restore a MSWIN partition ? Will the
restored partition boot ? How about the MBR ? Shall I have to modify
GRUB so that both systems work ?
Does the GParted CD see your new partition?
Yes, it does
If so, feel free to format it to a GNU/Linux filesystem (I'd
reccommend ext3).
I have tested just about every possibility : no format, format to ext2,
format to ext3, format to ntfs... with similar results
Then, Ubuntu installer should recognize it.
It does not. I then tested another Ubuntu iso install CD with an older
version: result was the same, despites the fact that said CD had been
successfully used by someone else.
Next I am going to go test a Debian Lenny install CD. This concern a
computer at my clubhouse, not my own (here I have Lenny + WinXP on my
Desktop and Ubuntu 8.04 alone on my laptop)
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