CentOS, Fedora & RedHat in 1 box Post: 302086417

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Operating Systems Linux Ubuntu CentOS, Fedora & RedHat in 1 box Post 302086417 by Corona688 on Wednesday 23rd of August 2006 08:08:43 PM

08-23-2006

Registered User

Yes, I don't see why not. As for how the partitions would be laid out, that depends on...how you want your partitions laid out.

The bare minimum, as I see it:

/dev/hda1 -- 200mb of ext2 to hold kernels and grub settings.
/dev/hda2 -- 512mb, swap space. They can all use the same swap.
/dev/hda3 -- A couple gigs of ext3 for common space. Mount it on something like /opt/shared for all three distros, so you can dump a file there in one distro, reboot into another distro, and still have that file.
/dev/hda4 -- All remaining space, as an extended partition.
/dev/hda5 -- First partition in extended partition. Holds root partition for Distro #1.
/dev/hda6 -- Second partition in extended partition. Holds root partition for Distro #2.
/dev/hda7 -- Third partition in extended partition. Holds root partition for Distro #3.

grub.conf for this monster is going to look something like:

Code:

title=Centos
kernel (hd0,0)/centos/kernel-2.6.12-r10 root=/dev/hda5

title=Fedora
kernel (hd0,0)/centos/kernel-2.6.12-r10 root=/dev/hda6

title=Redhat
kernel (hd0,0)/centos/kernel-2.6.12-r10 root=/dev/hda7

Even better would be three seperate boot partitions, one for each distro, but that'd mean booting from an extended partition, and I'm not sure how much grub likes that.

Finding a guide for this is unlikely imho, as it'd have to be written by someone who's mastered the same versions of all three distros of interest. You're going to have fun getting all of them to install where you want them.

Of course, if you're going to want multiple boot partitions for each and every distro, things are going to get more complicated.

Corona688

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dtc_kill_vps_disk

dtc_kill_vps_disk(8)					      System Manager's Manual					      dtc_kill_vps_disk(8)

NAME

       dtc_kill_vps_disk - destroy LVM disks for freeing space

SYNOPSIS

       dtc_kill_vps_disk VPS_NUMBER [ lvm|loopback ]

DESCRIPTION

       dtc_kill_vps_disk This shell script is a part of the dtc-xen package that is to be used by the dtc panel to manage a Xen VPS server.

       This  script  is used to delete a partitions that was used by a VPS.  It will delete the normal partition that was used as a root disk, and
       the swap partition.

       dtc_kill_vps_disk is to be used by the dtc-xen SOAP server, but can also be used as a standalone userland tool.

OPTIONS

       VPS_NUMBER has to be a number between 01 and 19. Let's say the number is 16, and that dtc-xen is configured to use the volume group  called
       lvm1, then this script will create /dev/lvm1/xen16 and /dev/lvm1/xen16swap.

       IMAGE_TYPE  This  parameter  can have 2 values: either lvm or loopback. If ommited, then lvm is used. If lvm is used, then this script will
       create a partition using lvmcreate, otherwise it will create an image file. Both will later be used for the VPS.

EXAMPLE

       dtc_setup_vps_disk 04 lvm

       This will delete the 2 LVM partitions that were used by the VPS named xen04, the first one being the root partition,  and  the  second  one
       being the swap partition.

VERSION

       This documentation describes dtc_kill_vps_disk See http://www.gplhost.com/software-dtc-xen.html for updates.

SEE ALSO

       dtc_reinstall_os(8), dtc_setup_vps_disk(8)

															      dtc_kill_vps_disk(8)