Multiple Fedoras

[Andras Simon]

On 6/1/07, ne... <guhvies at gmail.com> wrote:
> On 6/1/07, Andras Simon <szajmi at gmail.com> wrote:
> > I'd like to make room on a new HD for at least two Fedora installs
> > (and perhaps one or two other OS's, though I'd prefer to use them
> > virtualized), so that when F8 appears, I can safely install it without
> > wiping out F7 (and so on, always doing a clean install of F(n+1) on
> > the space used by F(n-1), leaving Fn intact). I'd like to share /home
> > and perhaps /tmp between them, and for the rest, to be able to mount,
> > say Fedora #2's /usr in Fedora #1 as /os2/usr.
> >
> > Is there a sane way of achieving this? Especially wrt grub?
> Off course there is, for some definitions of sane ((-: Take a look at
> my grub.conf, sanitized to remove duplicate kernels.
>
> ===<begin>===
> title FC3
>         root (hd0,0)
>         kernel /boot/vmlinuz-2.6.11-1.35_FC3 ro root=LABEL=/ vga=795 noprobe
>         initrd /boot/initrd-2.6.11-1.35_FC3.img
> title FreeBSD
>         rootnoverify (hd1,0)
>         chainloader +1
> title CentOS 4.1
>         root (hd0,2)
>         kernel /boot/vmlinuz-2.6.9-11.EL ro root=/dev/sda3 vga=795 noprobe
>         initrd /boot/initrd-2.6.9-11.EL.img
> title FC4
> 	root (hd2,0)
> 	kernel /boot/vmlinuz-2.6.15-1.1830_FC4 ro root=/dev/sdc1 vga=795 noprobe
> 	initrd /boot/initrd-2.6.15-1.1830_FC4.img
> title FC5 SMP New
>         root (hd2,1)
>         kernel /boot/vmlinuz-2.6.20-1.2316.fc5smp ro root=/dev/sdc2
> vga=795 noprobe
>         initrd /boot/initrd-2.6.20-1.2316.fc5smp.img
> title FC6 SMP New
>         root (hd2,5)
>         kernel /boot/vmlinuz-2.6.20-1.2948.fc6 ro root=/dev/sdb6 vga=795
> noprobe
>         initrd /boot/initrd-2.6.20-1.2948.fc6.img
> title FC7
>         root (hd2,6)
>         kernel /boot/vmlinuz-2.6.21-1.3194.fc7 ro root=/dev/sdb7 vga=795
> noprobe
>         initrd /boot/initrd-2.6.21-1.3194.fc7.img
> title SuSE 10.1
>         root (hd2,2)
>         kernel /boot/vmlinuz-2.6.16.27-0.9-smp ro root=/dev/sdb3 vga=795
> noprobe
>         initrd /boot/initrd-2.6.16.27-0.9-smp
> title FC5 Xen
>         root (hd2,1)
>         kernel /boot/xen-3.0.2-2.gz
>         module /boot/vmlinuz-2.6.16-xen ro root=/dev/sdc2 vga=795 noprobe 3
>         module /boot/initrd-2.6.16-xen.img
> #title F7 Install
> #       root (hd2,1)
> #       kernel /boot/vmlinuz-fc7 ro vga=795 noprobe
> ##      kernel /boot/vmlinuz ro root=/dev/sdc2 vga=795 noprobe
> #       initrd /boot/initrd-fc7.img
>
> ===<end>===

Do you update this by hand every time the kernel is updated in one of
the OS's/distros?
Did you choose not to install grub in all but the first OS install? Or
do you fix grub.conf after each install?

>
> Now I do not share /home as problems may occur, however my UIDs and
> GIDs are consistent across distros. I guess you can share /tmp as it
> is supposed to be
> cleaned out on reboot. Partitions from different distros are added
> after I install a new distro and not from the install. I also have a
> partition, /downloads, that is shared across all distros. That is
> where I keep the isos I install from. No need to burn them, I install
> from harddrive.

I wonder how you can install _anything_ without having at least a root
partition...

Thanks for the input,

Andras


>
> HTH
> ne...
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