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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » System
Gru4DosConfig
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shinobar


Joined: 28 May 2009
Posts: 2617
Location: Japan

PostPosted: Wed 01 Dec 2010, 09:14    Post subject:  Gru4DosConfig  

Grub4DosConfig is the Gru4Dos boot loader with GUI installer.
The name 'Grub4Dos' can be confusing but it is actually 'Grub NOT ONLY for Dos'.
Grub4dos supports many file system: NTFS, VFAT, EXT2, EXT3, EXT4. Does not support ReiserFS.
Grub4dos is upper compatible with (legacy) grub, can do all the legacy grub can do.

This post is an entry for your convenience.
Visit the main topic for the detail:
http://www.murga-linux.com/puppy/viewtopic.php?t=51697

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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL

PostPosted: Wed 01 Dec 2010, 13:11    Post subject:  

Will it work on a system with no VFAT or NTFS partitions at all?

Basically, what I want to do is replace the old grub configurator in the PUI with this. Any reason not to do it?
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amigo

Joined: 02 Apr 2007
Posts: 2232

PostPosted: Thu 02 Dec 2010, 04:51    Post subject:  

Jemimah, yes grub4dos works without ntfs/fat -can be installed to ext2/3 (probably ext4 as well). grub4dos includes lots of extra features (and fixes) as compared to standard grub-legacy, including booting iso's, creationg and use of RAM-disks -lots of tricks built in there. I'm interested in the mini version called 'wee', but it does not support editable menu.lst files -instead your menu is concatenated onto the binary, and it supports less filesystems. grub4dos is the most complete hack of grub-legacy, but the developer of super grub disk (SGD) has done a lot of mods in somewhat different directions and also has a grub2-based version. He (adrian15) is an upstream contrib to grub2.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL

PostPosted: Thu 02 Dec 2010, 12:57    Post subject:  

Perfect. I will go for it then.
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rcrsn51


Joined: 05 Sep 2006
Posts: 9034
Location: Stratford, Ontario

PostPosted: Thu 02 Dec 2010, 13:11    Post subject:  

Quote:
Grub4dos is upper compatible with (legacy) grub, can do all the legacy grub can do.

Unless something has changed, Grub4Dos can only put its stage1 boot code on the MBR. It cannot write it to a partition boot sector. That means that you can't use it for an install procedure like this.
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amigo

Joined: 02 Apr 2007
Posts: 2232

PostPosted: Thu 02 Dec 2010, 14:05    Post subject:  

For dual booting with pre-Vista windows, you can simply install grldr wherever you like and add an entry to the boot.ini file which points at grldr (grldr is the equivalent of the grub-legacy stage2 file)

For dual booting with Vista/W7, you can simply rename the bootmgr to something else and then install grldr named as bootmgr. See here:
http://www.boot-land.net/forums/index.php?showtopic=2224

Actually you can do the same for NT/XP just rename ntldr and install grldr as ntldr.

This method is actually much less invasive than tinkering with the boot.ini file. Just create an entry for NT/XP/Vista/W7 in the menu.lst.
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shinobar


Joined: 28 May 2009
Posts: 2617
Location: Japan

PostPosted: Sat 04 Dec 2010, 23:27    Post subject: Install on PBR  

rcrsn51 wrote:
It cannot write it to a partition boot sector.

It can be installed on the PBRs, but the Grub4DosConfig does not support.

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