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What to copy in /lib/module while installing new kernel?

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Operating Systems Linux Ubuntu What to copy in /lib/module while installing new kernel?
# 1  
Old 04-05-2013
Ubuntu What to copy in /lib/module while installing new kernel?
I was trying to install new kernel in my backtrack which was having kernel 3.2.6. i tried installing 3.8.5.

I refered to book linux kernel in nutshell i followed every step. after i rebooted (i had set new kernel in default as my backtrack doesn't display options to select while booting) it gave me fatal error

FATAL ERROR can't load /lib/module/3.8.5/<some-file>

please tell me what does reside here and when do we copy it?
# 2  
Old 04-05-2013
Depends what <some file> is, why it needs it, and what instructions you followed.

Can you still boot your old kernel?
# 3  
Old 04-05-2013
No. i can't as i already mentioned my back track doesn't offer choosing kernel. it was my mistake i should have check for that option.

Aditionally i checked there's no directory for new kernel's version is there in /lib/modules
it only contains directory for previous version.

I'm unable to access /boot (its not avaiable) otherwise i would have restored the previous grub.cfg
# 4  
Old 04-09-2013
Boot a rescue CD such as SysRescueCD. You will be able to access your /boot partition that way, though you may have to mount it manually.
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