Both kernels went bad; can I reinstall from rescue mode?

[Gilbert Sebenste <sebenste@xxxxxxxxxxxxxxxxxxxxxx>]

Hello all,

Something went wrong and both of my installed kernels got messed up. I 
can't boot, but can get into my system from the rescue CD. How do I 
reinstall a kernel from there?

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Gilbert Sebenste                                                     ********
(My opinions only!)                                                  ******
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