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Old 03-04-2006, 10:11 AM   #1
raffigee
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Registered: Feb 2006
Distribution: Backtrack
Posts: 41

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upgrading the kernel from live-cd


Hi all,

i'm running back-track from live cd and i'm trying to configure my wifi card but in order to do that i need a 2.6.15 kernel.

The kernel version on the live cd is 2.6.12.

My question is: is it possible to upgrade the kernel (patching and recompiling) when booting from live-cd ?

If yes, where could i find a good tutorial on this ?

Thanks, any help is appreciated.

Raffi
 
Old 03-04-2006, 10:51 AM   #2
headrift
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Registered: Sep 2005
Distribution: Gentoo, Sabayon, Puppy, Arch
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AFAIK, it's not going to work without editing the live cd.

You'd need to boot with the new kernel, which is not possible with the existing live cd. My plan would be to compile the new kernel, save it somewhere (FAT32 partition, flash drive, etc.), then boot into windows (presuming you have it) and use UltraEdit to replace the kernel on the CD with the new kernel. Then save, re-burn, and hope it works. If the cd boots using isolinux, it should work. Otherwise, it might not without other steps I don't know.

Best of luck to you.
 
Old 03-04-2006, 11:01 AM   #3
kilgoretrout
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Registered: Oct 2003
Posts: 2,532

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It is slax based so it's probably more easily doable than most livecds. Slax is very easy to modify and generate a new live cd. If you want to install a new kernel however, you have a lot of work ahead of you. First stop is to check out the slax documentation and forum:

http://slax.linux-live.org/

You won't be able to use their module system to insert a new kernel since you have to boot from the kernel. The procedure would be to install the live cd to hard drive( not just copy files but a real distro install); boot into it from there; compile and install a new kernel with unionfs support(may need kernel patch for that) and an initrd;reboot with the new kernel; generate a new live cd iso with the new kernel using the linux live scripts. Once you install to the hard drive your distro will become like slackware on which slax is based. So also check out the slackware documentation re installing a new kernel and making the initrd.
 
  


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