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Old 12-01-2011, 06:24 AM
srini srini
 
Default installing gentoo (multiple OS)

Hello,

I need some advise here as I am trying to install gentoo along with different other OS'es including windows.
As I am new to this field I would need some guidance as to ho to go about and to know the subtleties between LILO and GRUB.


Can anyone help me about this.

TIA
--SR--
 
Old 12-01-2011, 10:03 AM
Dale
 
Default installing gentoo (multiple OS)

srini srini wrote:

Hello,

I need some advise here as I am trying to install gentoo along with
different other OS'es including windows.
As I am new to this field I would need some guidance as to ho to go
about and to know the subtleties between LILO and GRUB.


Can anyone help me about this.

TIA
--SR--



Its been a long while since I did this but this was how I did it. I had
a common /boot for all OS's, then separate partitions/drives for the
rest of the OS's. If you run all the distros with pretty close to the
same versions of desktop and such, you may can get away with a common
/home. If one OS is running KDE3 and another KDE4, then you may run
into issues. I'm sure there are other issues you need to look into as
well.


I used lilo a VERY long time ago. Once I used grub, I never used lilo
again. If the distros you chose is using the new Grub then use the new
one for them all. If all use the older one, then use it. If it is a
mix of those, then you need to look into ways to get them to all use the
same or chainload them somehow. To me, that sounds complicated. At
some point, I would pick a distro and stick with it. No issue with
folks trying out different ones but why update and hang onto different
ones when you only need one? ;-)


If I set up a system with windoze, I always put windoze on the first
drive, sda, and Linux on the rest. They could share but I just always
liked to keep windoze on its own. I always felt windoze was a virus
itself. It might migrate over to Linux somehow. lol


Dale

:-) :-)

--
I am only responsible for what I said ... Not for what you understood or how you interpreted my words!
 
Old 12-02-2011, 10:55 PM
Mick
 
Default installing gentoo (multiple OS)

On Thursday 01 Dec 2011 07:24:47 srini srini wrote:
> Hello,
>
> I need some advise here as I am trying to install gentoo along with
> different other OS'es including windows.
> As I am new to this field I would need some guidance as to ho to go about
> and to know the subtleties between LILO and GRUB.
>
> Can anyone help me about this.

How big is the disk(s)?

Which OS' are you thinking of installing and in which order?

Do you have installation CDs for all OS (including MSWindows)?

Does your PC feature an MBR or an UEFI?
--
Regards,
Mick
 
Old 12-04-2011, 07:21 AM
srini srini
 
Default installing gentoo (multiple OS)

@MIck

I have a 1TB seagate disk drive, which I would like to install...

1. Will also have windoze whatever bs it is, since its usage
is still in existence duh! -* -




2. Surely Debian the universal OS* - will have x86-64 image. - GNOME - Kernel 3.x. - bash


3. The Ubuntu - will have 32-bit - image. - XFCE - Kernel 3.x. - bash


4. The Slackware vanilla (stable), to get deep into the kernel - 32-bit image - registers and argument handling. - fluxbox -
Kernel 2.xx.x - bash


5. Voiding Gentoo is like keeping the penguin out of ice cap, so will make space for it. -x86-32 image - KDE - Kernel 3.x. - sh


6. Thinking of legacy commercial unix solaris 5/09 (the original unix of them all) - 32-bit image - CDE - woohoo!


I know its a bit whimsical, but would love to work on these OS'es except the #1 in order.


Yes I have a PC clone, thus MBR.

Any advise is welcome.






On Sat, Dec 3, 2011 at 5:25 AM, Mick <michaelkintzios@gmail.com> wrote:

On Thursday 01 Dec 2011 07:24:47 srini srini wrote:

> Hello,

>

> I need some advise here as I am trying to install gentoo along with

> different other OS'es including windows.

> As I am new to this field I would need some guidance as to ho to go about

> and to know the subtleties between LILO and GRUB.

>

> Can anyone help me about this.



How big is the disk(s)?



Which OS' are you thinking of installing and in which order?



Do you have installation CDs for all OS (including MSWindows)?



Does your PC feature an MBR or an UEFI?

--

Regards,

Mick
 
Old 12-04-2011, 09:20 AM
Mick
 
Default installing gentoo (multiple OS)

As far as I know all/most of these OS will interfere with your MBR and
potentially your /boot partition and install their boot code in there. This
is not a problem per se, as long as you are aware of it. Booting from a
LiveCD is all you will need to do to fix things.

Given the number of OS' that you want to play with I would strongly advise to
consider using virtualbox or any similar virtual machine, running in your
favourite OS (e.g. Debian as the host) and then create VM images for each
guest OS that you want installed. Performance will be only slightly slower
than booting into these OS separately from BIOS, but on the other hand you
won't need to be repartitioning or zeroing/formatting partitions when you want
to get rid of an OS. Also, you may end up running out of partitions - I think
SATA used to read up to 15 partitions only. So, with virtualbox you can add
new OS images at a click of a button, instead of creating new partitions,
moving partitions around and what not. LVM will help with sizing partitions
on the fly, but will add another layer of complexity.


Before I give specific OS suggestions below, let me propose a booting
architecture for separate partitions for you to consider:

Create one 'master' boot partition and install GRUB in it with a LiveCD. I'd
use legacy GRUB because it is simpler, slimmer and easy to fix. Others may
recommend GRUB2, which installs what looks to me like a mini OS in itself and
automates a lot of the configuration. I've been less successful editing the
boot options from the command line at boot time with GRUB2, but it is more
stable these days. Anyway, both will work fine. Never delete this GRUB master
partition, or you will need a LiveCD to be able to boot again.

I'd create one swap partition for all OS except MSWindows, which will create
its own paging file, fragment its own NTFS fs, corrupt this paging file without
any help from you and then use up all the partition space and crash! ha, ha,
ha! ) Well, it's not always that bad, but it has happened here more than
once.

With the disk space available to you, you may create more than one swap
partition. I seem to recall (could be wrong) with 32bit OS that 128M was the
amount that would be accessed at a time by the kernel or something similar -
so people used to create multiple 128M swap partitions. These days with 64bit
OS and large RAM modules you may not need swap at all, unless you start
running http servers, big databases, etc. In any case, I'd set up a 2G swap
as a minimum and up to the size of your RAM as a maximum.

Then if you decide to have separate real partitions on the disk for each OS
instead of VM images, I would install each OS in their own partition without a
separate boot partition for each, to keep the number of partitions down. You
will then be able to chainload from your master boot menu.lst any OS boot
system.

If you will prefer to dual boot MSWindows and at least one main Linux system
(which will host your virtual machines) I would refrain from using the
MSWindows OS boot system to chainload Linux from it - because it is
complicated and messy:

http://thread.gmane.org/gmane.linux.gentoo.user/226452

Specifics below.

PS. I merely express a view here - how I would go about it. There are
probably as many views on the things I suggest above as readers on this
mailing list. Thankfully with Linux there's more than one way to skin a cat.

PPS. No cats were harmed in preparing these suggestions! LOL! )

On Sunday 04 Dec 2011 08:21:52 srini srini wrote:
> @MIck
>
> I have a 1TB seagate disk drive, which I would like to install...
>
> 1. Will also have windoze whatever bs it is, since its usage is still in
> existence duh! - -

If you don't install this/these OS' in a VM, then bear in mind that Vista and
Windows 7 create a separate hidden 200MB boot partition. This will eat up one
more partition out of the 15 physical partitions on your SATA drive (you can
use LVM if you're planning to exceed the 15).


> 2. Surely Debian the universal OS - will have x86-64 image. - GNOME -
> Kernel 3.x. - bash

This can be a workhorse for your guest OS. It doesn't change often and things
should *just* work.

You can/should store the various OS' images on a separate physical partition.
So you can always reinstall/upgrade your Debian without affecting all other OS.


> 3. The Ubuntu - will have 32-bit - image. - XFCE - Kernel 3.x. - bash
>
> 4. The Slackware vanilla (stable), to get deep into the kernel - 32-bit
> image - registers and argument handling. - fluxbox - Kernel 2.xx.x - bash

Fluxbox is slim but needs a lot of configuration to make it look nice. I'd
consider Englightenment (e17) from svn because it is both lighter on resources
and looks nicer with minimal configuration.


> 5. Voiding Gentoo is like keeping the penguin out of ice cap, so will make
> space for it. -x86-32 image - KDE - Kernel 3.x. - sh

Your Gentoo will take more space than all the binary distros. Depending on
how many DEs you will install I'd bargain for 10-20G.

You could have a common home partition for your various OS', but I probably
would not, since I would want to have separate user configurations of
potentially the same apps.


> 6. Thinking of legacy commercial unix solaris 5/09 (the original unix of
> them all) - 32-bit image - CDE - woohoo!
>
> I know its a bit whimsical, but would love to work on these OS'es except
> the #1 in order.
>
> Yes I have a PC clone, thus MBR.
>
> Any advise is welcome.

HTH.
--
Regards,
Mick
 

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