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Old 11-11-2011, 03:12 PM   #1
kevanos
LQ Newbie
 
Registered: Sep 2011
Location: Canada
Distribution: opensuse 11
Posts: 2

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Wink Grub help plz for multi OS install


Hi all, this is my first post.

I'm very new to linux and to date have only tried it on vm's.
Because I work in VM's mostly, I don't do anything with GRUB.
I figure it's time I jump in the pool and put it on my laptop.
I've no GRUB experience with and this is where I'd like help.

I'm not sure how to tell if Grub 1 or Grub 2 is installing.
I'm not sure what file to modify in Grub for the OS's.
I'm not sure how GRUB will react when I try multi OS installs.

About my laptop:
The laptop is 7 years old, has 3.2 p4, 2GB ram and 75GB Hdrive.
Windows 7 Pro - sp1 32Bit is the OS on the laptop.

The 75 GB hard drive has 2 primary and one logical partition.
- Partition 1 has windows 7
- Partition 2 has Terabyte unlimited Boot manager
- Partition 3 is LOGICAL and has 45 GB of free space
- I want all LINUX distros installed in logical Partition 3

Eventually I want the final boot manager to be the
Terabyte boot manager because of it's high functionality.
The Terabyte BM has utils for sizing, cloning etc.

While doing Linux installs, I want everthing working in GRUB

The Linux distros I will install in partition 3 are:
- Linux mint 11 - 32 bit
- Ubuntu 11.10 - 32 bit
- OpenSuse 11.4 - 32 bit

That's it. Please provide me with some suggestions.
 
Old 11-11-2011, 04:08 PM   #2
yancek
LQ Guru
 
Registered: Apr 2008
Distribution: PCLinux, Slackware
Posts: 6,872

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Quote:
I'm not sure how to tell if Grub 1 or Grub 2 is installing.
On a Linux installed system, open a terminal and log in as root user and type the word grub. It will tell you the version.
Ubuntu and Linux Mint use Grub2 and I believe Opensuse still uses Grub Legacy.

Quote:
I'm not sure what file to modify in Grub for the OS's.
In Grub Legacy, the boot menu file is in /boot/grub directory and named menu.lst
In Grub2, it is in the same location and named grub.cfg. The top line in the grub.cfg file however, advises you not to edit the file. You can if you know what you're doing but usually best not to for new users. Editing and making changes in Grub2 is a little more complex, at least if updating it fails.

Grub Manual links below:

http://www.gnu.org/software/grub/manual/legacy/
http://www.gnu.org/software/grub/manual/grub.html

Quote:
I'm not sure how GRUB will react when I try multi OS installs.
Probably be better to install Ubuntu or Mint after OpenSuse and Grub2 should detect all operating systems. Install the Grub bootloader for the first two operating systems to their root partition and install Grub2 to the master boot record with the last installation.

Quote:
- Partition 3 is LOGICAL and has 45 GB of free space
- I want all LINUX distros installed in logical Partition 3
If you mean Partition 3 is an Extended partition, then you can create three Logical partitions within it to install each of your Linux distributions. You can't install them on the same partition.
 
1 members found this post helpful.
Old 11-11-2011, 08:48 PM   #3
Larry Webb
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Registered: Jul 2006
Location: Crystal Beach, Texas
Distribution: Suse for mail +
Posts: 5,100
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I understand that if you wait about eight more days SuSE 12 will be out with grub2.
 
1 members found this post helpful.
Old 11-12-2011, 04:09 PM   #4
kevanos
LQ Newbie
 
Registered: Sep 2011
Location: Canada
Distribution: opensuse 11
Posts: 2

Original Poster
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Yancek, yes you're right. I did mean to say an extended partition and like you say that's where I'd create the 3 logical partitions, one for each linux distro. Thks.
 
  


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