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After you install your brand new kernel, open your ``menu.lst'' and:
- Add an entry for your new kernel
- At the beginning of your configuration file, change any
``default number'' you may have in ``default saved''.
- In your new kernel entry, add the line ``savedefault number_of_old_and_good_kernel_entry''.
- From the command line, run the grub shell with the command
``grub'' (you need to be root) and type the command ``savedefault
number_of_new_kernel_entry''.
- Check the operation was successful by using ``showdefault''.
- Add the parameter ``panic=10'' to your kernel image.
- You should now be done.
This process is not ``idiot proof'' and does not guarantee against
many kernel malfunctions. Anyway, this process can be easily automated
and quite a number of kernel problems will be nicely catched and handled
without having to access the server physically.
At worst, you will be able to make a phone call and ask for somebody
to just reboot your server.
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