Re: [gentoo-user] LiveCD customizations

[Zac Medico <zmedico@gmail.com>]

Tom Smith wrote:
> I need to make some slight customization to the Live CDs for 
> installations at remote offices--things like configuring a root 
> password, enabling SSH by default, and so on.
>  
> I looked at the Gentoo docs at the web site but wasn't able to locate 
> anything specific.
>  
> Can anyone offer any pointers to docs describing how to do what I'm 
> looking to?
>  

The easy way is to remaster an existing livecd like I described here:

http://marc.theaimsgroup.com/?l=gentoo-user&m=113397973626705&w=2

You will have to loop mount the iso image and then loop mount the livecd.squashfs file (gentoo-sources come with squashfs support, so you only have to enable it in your kernel config).

After the squashfs is mounted, you can use rsync to copy it's contents into a writable filesystem.  Finally, after you have customized the root filesytem, use mksquashfs (squashfs-tools) to compress it again.

You can use catalyst to build a livecd from scratch, but in many cases it's quicker and easier to use the "remaster" approach.

Zac
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