LinuxQuestions.org - [SOLVED] BionicPup ISO for BIOS only boot

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BionicPup ISO for BIOS only boot

Does anyone know how the bionicpuppy i386 32bit ISO was packed? (ie. what parameters were used)
I need to repack the iso but WITHOUT the support for EFI/Hybrid boot.
I have tried a couple attempts but no success yet.
For comparison, The puppy tahr iso is built for BIOS only.

I have been studying the following references to wrap my head around packing a bootable ISO.
https://wiki.osdev.org/El-Torito#Exa...n_Run_for_BIOS
https://wiki.debian.org/RepackBootab...uction_command

Any help is greatly appreciated!

Just to be sure which iso are you looking to edit from here? Bionicpup64?
http://puppylinux.com/download.html

sorry i meant 32bit Im downloading now and will convert it to non-uefi

Quote:

Originally Posted by linus72 (Post 6014944)

Just to be sure which iso are you looking to edit from here? Bionicpup64?
http://puppylinux.com/download.html

Actually, BionicPup32 is what i'm after!

Quote:

Originally Posted by linus72 (Post 6014944)

Just to be sure which iso are you looking to edit from here? Bionicpup64?
http://puppylinux.com/download.html

Quote:

Originally Posted by linus72 (Post 6014946)

sorry i meant 32bit Im downloading now and will convert it to non-uefi

That'd be awesome! HUGE thanks if do it!
And If you care to share how you accomplish it, that would be helpful. ie. what parameters/files are necessary to pack it as BIOS only without EFI/Hybrid support.

ok I got it,
assuming your iso is in /home/user_name/Downloads, and youre going to extract it to /home/user_name/Documents to recreate iso
and gotta make a temporary mountpoint to mount iso

Code:

cd /home/user_name/Downloads

mkdir -p /home/user_name/mnt

mount -o loop bionicpup32-8.0-uefi.iso /home/user_name/mnt

cp -r /home/user_name/mnt/* /home/user_name/Documents

now the iso is extracted to Documents folder
now make this script and put it in Documents folder with extracted iso, just copy/paste this command into a new text file named gen_pup_iso.sh

Code:

/usr/bin/mkisofs -o /home/user_name/Bionicpup32.iso -v -J -R -D -A Bionicpup -V Bionicpup -no-emul-boot -boot-info-table -boot-load-size 4 -b isolinux.bin -c isolinux.boot .

you gotta make the script executable with

Code:

chmod +x gen_pup_iso.sh

then do in terminal in Documents folder

Code:

cd /home/user_name/Documents

./gen_pup_iso.sh

Note you may have to edit script for whether your system has mkisofs, genisoimage, or xorriso
so if genisoimage start script with /usr/bin/genisoimage

it'll make iso in /home/user_name/
edit script for your user name
I made one and dd'd it to my 2gb usb works great

hey are you burning to cd or running off usb?
did the original iso present a grub screen or isolinux boot screen at boot?

Quote:

Originally Posted by linus72 (Post 6014967)

hey are you burning to cd or running off usb?
did the original iso present a grub screen or isolinux boot screen at boot?

Thanks! Very similar to my previous attempts.
I'm burning the ISO to CD now. I am limited to booting from a CD with this machine.
I am fairly certain I get the isolinux menu

Will reply back with results soon..

Quote:

Originally Posted by savage72 (Post 6014970)

Will reply back with results soon..

It Works!!
Thanks for your quick reply and demonstrating the necessary mkisofs parameters :)
Well done linus72, well done!

Quote:

Originally Posted by linus72 (Post 6014974)

awesome have fun :)

Booted and installed in less than 10m. Breathing new life into an old 2006 macmini 1,1 :)
Thanks again!

You're welcome bro :)