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Topic: (yet another) remastering newbie, some things i havent been able to find

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^thehatsrule^ Offline

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Posted: April 10 2007,05:55

KNOPPIX is a compressed image (cloop).

256mb might be too little (perhaps format a partition to ext2?) if you plan on remastering the dsl/knoppix cloop image.

Changing the ISO only can be done with "mkmydsl" - essentially it has your saved MyDSL extensions (and optionally backup/restore session, which is an extension in itself) on the disc media, and will be autoloaded on boot. This is the easiest, and quickest way to customize.

Remastering the DSL/KNOPPIX image changes the core files in the compressed image... essentially you are uncompressing it, modifying it, and then repackaging it.

Quote

About boot options:
In the isolinux.cfg file, is it the first line:
DEFAULT linux24
that i want to change into something else in order to get the "toram", the "ssh", and the "2" switch?

You would add it to the rest of the codes in the APPEND line

mikshaw

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Posted: April 10 2007,13:40

A little more about ISO/KNOPPIX difference....

The ISO is the bootable CD image itself (the file you downloaded), which contains the boot files and a compressed filesystem named KNOPPIX. You can change the boot files to customize the way DSL boots from a CD, and add data files to the top level of the disk image including mydsl extensions and kernel modules to be auto-loaded and miscellaneous files to fill up a 700mb disk. If you are not running DSL "toram", all of these files will be accessible through the /cdrom, /mnt/cdrom, or /mnt/somethingelse directory, depending on how DSL was installed.

The KNOPPIX file is the compressed filesystem (which is also an iso9660 filesystem, but it's compressed with cloop, the same thing used to compress uci and unc mydsl packages) stored within the bootable CD. This filesystem is what you see under /KNOPPIX when DSL is booted, and is read-only at runtime. The DSL system uses this filesystem as its base each time it starts.

It is, as you said, pretty much an ISO within an ISO.

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jakethesnake Offline

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Posted: April 12 2007,20:48

Thanks for all your answers so far. This is all still a bit confusing for me, probably since i dont know the filesystem of DSL by heart.
I will have to take this in babysteps , and start with just the cheatcodes.

Will it be OK if i DL the DSL ISO image, mount it with Daemon Tools in Win XP, edit the /boot/isolinux/isolinux.cfg file to contain "dsl 2 ssh toram", and burn the resulting image?
This just to get the server started at bootup.

^thehatsrule^ Offline

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Posted: April 12 2007,21:16

I don't think daemon-tools can write to the images...?

mikshaw

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Posted: April 12 2007,21:20

If daemon tools will allow you to edit the iso in place (as opposed to having to copy the files to a writable disk), then I guess you should be ok.

You may want to be cautious of what editor you use to edit the file. Notepad may convert it to DOS format. I'm not sure about that, but I am sure that any line breaks you make in Notepad will probably cause trouble. Wordpad or Word is likely to do the same. If you have access to a text editor that properly reads and writes Unix text files it would probably be best to use that.

However...DSL does come with a script (mkmydsl, listed in the menu as "make mydsl cd remaster") that helps with the process of remastering the ISO.

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17 replies since April 08 2007,21:53

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