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I'm trying to install Ubuntu 9.04 and Scientific Linux 5.3 on my Toshiba Satellite laptop. But no matter the order of installation, or change the settings, I cannot get them to work together.
I am aware that Scientific Linux doesn't like having another distro with / as root, so I worked under the assumption that I should install SL first, then Ubuntu. But I come up with GRUB problems. I get:
I should install SL, with the SL GRUB boot loader, with (for instance):
/dev/sda1 /boot ext3 100MB (create the partition but not use it)
/dev/sda2 swap 1024 (my RAM is 512MB)
/dev/sda3 / ext3 10000
/dev/sda4 /home ext3 25000 (to create a 25GB SL partition)
Yes but make sure to install GRUB to /dev/sda1 (unless you want SL GRUB in the MBR, then you would have Ubuntu install its GRUB to its /boot partition).
By the way, why use a separate boot partition if it uses the same filesystem type as /? Oh yes, and obviously, in your scheme, /home can't be sda4 because that would be the extended partition; /home would be the first logical partition, i.e. sda5.
Then install Ubuntu9.04, should I select the first option (install side-by-side) or the third option (use up all available space)?
You choose but I tend to prefer manual partitioning.
Then add the chainload entry to the SL boot loader:
title scientific linux
No, that doesn't make sense. Why would you add an entry for SL to the SL bootloader - it already has one. It's for the other distro that you need to add a new entry.
Which also didn't work. I either get error 12, 13 or 15.
Well, obviously, no. For the chainloading trick to work, a system needs to have GRUB on its boot partition. But from what I understand, Ubuntu GRUB was installed to sda, i.e. the MBR. Ergo: boot issues.
So let's repeat:
install Ubuntu, let it install its GRUB to the MBR (sda).
then install SL, let it install GRUB to its own boot partition (or / partition if you do not use a separate boot partition).
Then boot into ubuntu and add a chainloading entry for SL to its GRUB configuration file.
I've installed Ubuntu with GRUB going to MBR (/dev/sda).
Then installed SL with GRUB going to /.
Then booted up my computer, but GRUB only thinks SL is there, I cannot boot ubuntu without the live cd. I've gone into ubuntu on the live cd and looked at the boot bit, where only the SL kernels are, so I copied the ubuntu kernels across to it, but still getting error 15: file not found.
I type in:
whilst in /boot, but it doesn't recognise the ubuntu kernels.