How to install and boot 145 operating systems in a PC - Page 12


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Thread: How to install and boot 145 operating systems in a PC

  1. #166
    Join Date
    Jun 2004
    Location
    Newcastle upon Tyne
    Posts
    2,956
    Your Linux Mint can only be chainloaded after grub-install succeeds.

    I wouldn't pay too much attention to the Grub2 warning. It is a user's right to specify where the boot loader should be but putting it on a logical partition does have reliability problem if the partition table is altered. I haven't done a lot with Grub2 but my latest Ubuntu is in sda16 and it is controlling the MBR until I recently formatted its partition by mistake. I do run Grub2 on floppy as well as on CD.

    In my #164 post I did mention you might have to grub-install it again if it fails. I could not explained why except I suspect a bug inside Grub2. It happened to me before.
    Linux user started Jun 2004 - No. 361921
    Using a Linux live CD to clone XP
    To install Linux and keep Windows MBR untouched
    Adding extra Linux & Doing it in a lazy way
    A Grub menu booting 100+ systems & A "Howto" to install and boot 145 systems
    Just cloning tips Just booting tips A collection of booting tips

    Judge asked Linux "You are being charged murdering Windoze by stabbing its heart with a weapon, what was it?" Replied Linux "A Live CD"

  2. #167
    Join Date
    Apr 2010
    Location
    Germany
    Posts
    4
    This evening i'll try to replace grub2 with grub legacy...

    EDIT: I've found the mistake by chainloading Linux Mint 8:
    Code:
    title Linux Mint @ sda8
    root (hd0,7)
    chainloader (hd0,8)+1
    Last edited by luemmel; 04-28-2010 at 03:04 PM.

  3. #168
    Join Date
    Jun 2004
    Location
    Newcastle upon Tyne
    Posts
    2,956
    I have just installed the latest Ubuntu 10.4 first and then Linux Mint 8 with a new hard disk.

    Both use Ext4 filing systems (specified by me) and Grub2.

    I did asked the Mint installer to put Grub2 in the root partition sda13 but it failed apparently. This is quite common for Linux boot loaders so nothing to write home about.

    When I manually boot Linux Mint, using the Grub2 prompt from Ubuntu, it refused to be chainloaded so I fired it up using the command
    Code:
    set root=(hd0,13)
    configfile /boot/grub/grub.cfg
    After I booted up Linux Mint I do into a "root" terminal and issued the command twice
    Code:
    grub-install /dev/sda13
    just to make sure it did what it was told.

    I then rebooted Mint, this time by manully chainloading it, and use it to do this reply.

    I suppose Grub2 still has some holes in it.
    Linux user started Jun 2004 - No. 361921
    Using a Linux live CD to clone XP
    To install Linux and keep Windows MBR untouched
    Adding extra Linux & Doing it in a lazy way
    A Grub menu booting 100+ systems & A "Howto" to install and boot 145 systems
    Just cloning tips Just booting tips A collection of booting tips

    Judge asked Linux "You are being charged murdering Windoze by stabbing its heart with a weapon, what was it?" Replied Linux "A Live CD"

  4. #169
    Join Date
    May 2010
    Posts
    3

    Will This Work for 4 OS, Including Snow Leopard?

    This is an excellent read. I'm new to this whole JustLinux thing, and am particlulary interested in booting just "4" operating systems. I would like to know if your method described will work for the 4 OS I would like to load on my machine.

    They are the following:

    Linux (Ubuntu)
    Vista
    Windows 7
    Snow Leopard (PC)

    Can I simply follow the steps listed in your guide, or is there a slight difference in the scheme due to having the odd of the MAC Snow Leopard system? I would greatly appreciate it if someone could assist me in this regard. Thanks a million.

    ~DesignerMind

  5. #170
    Join Date
    Jun 2004
    Location
    Newcastle upon Tyne
    Posts
    2,956
    DesignerMind,

    Welcome to Justlinux!


    I have answered your other thread.
    Linux user started Jun 2004 - No. 361921
    Using a Linux live CD to clone XP
    To install Linux and keep Windows MBR untouched
    Adding extra Linux & Doing it in a lazy way
    A Grub menu booting 100+ systems & A "Howto" to install and boot 145 systems
    Just cloning tips Just booting tips A collection of booting tips

    Judge asked Linux "You are being charged murdering Windoze by stabbing its heart with a weapon, what was it?" Replied Linux "A Live CD"

  6. #171
    Join Date
    Jul 2011
    Posts
    2
    Would be great if you can show off some pics
    Or better make some videos and YouTube
    You'll be a penguin hero in no time

  7. #172
    Join Date
    Jun 2004
    Location
    Newcastle upon Tyne
    Posts
    2,956
    stella20,

    Welcome to Justlinux!


    This thread was written in 2006 at the time the detection of hard disk in Linux was not by libATA. In plain English it was during the time when the IDE hard disk is treated differently to Sata hard disk in Linux by allowing it to have 64 device names (one for the hard disk itself and 63 partitions). All Linux distro installers were written to be installable in 63 partitions of a IDE disks.

    Nowadays all hard disks are treated the same as Sata hard disk originally permitted with 16 devices names (one for the hard disk and 15 partitions) and so many installers have not been written to access partition higher than 16. Thus it is technically possible to repeat what I have done but a lot more difficult with modern Linux.

    As far as I know Linux does not have a limitation on the number of partitions in a hard disk and I have tried it above 150th position. The gpt partition system can have 128 partitions in a hard disk and these are bootable by Grub2.

    The major huddle of putting a large number of operating systems into a PC is the majority of the installers are not written to cope with high number partition numbers and do not know what to do.

    If you understand each operating system can be safely installed and booted from a hard disk partition then 145 operating systems are just the same procedure repeated 145 times. It will be terribly boring to look through the screen. I did the thread because to prove the process can be easily managed by Grub.

    I still keep the box with these 145 systems but have not maintained it because I only allowed a small partition for each operatings system.

    The purpose of my thread is to demonstrate that booting is child play in general but especially in Linux. This thread was written with Grub1 as the boot loader and the same can be done with Grub2.

    I have also tried to boot 150 Linux with a MS Windows boot loader bootmgr used by Vista and Win7. That was documented in this thread.
    Linux user started Jun 2004 - No. 361921
    Using a Linux live CD to clone XP
    To install Linux and keep Windows MBR untouched
    Adding extra Linux & Doing it in a lazy way
    A Grub menu booting 100+ systems & A "Howto" to install and boot 145 systems
    Just cloning tips Just booting tips A collection of booting tips

    Judge asked Linux "You are being charged murdering Windoze by stabbing its heart with a weapon, what was it?" Replied Linux "A Live CD"

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