Michael Brailsford wrote:
If you really want to get crazy you can UserMode Linux, and run Linux in
Linux.  Then not only can you create chroot jails, but honeypots as
well.  :)  Mmmm...  Don't you just love the power linux offers you.
Multiboot systems, systems within systems, kernels running in virtual
machines within other kernels, does it get any better?  Yeah, how about
being able replace your kernel without rebooting?  Then we could see
some real uptime magic.  :)

Are you referring to this: http://www.scyld.com/products/beowulf/software/monte.html

or this:
http://developer.osdl.org/andyp/kexec/

or this:
http://www.linuxbios.org/papers/sc00/sc00.pdf

Because my understanding is that you still have to re-init everything, so you lose all your running processes. All these seem to do is avoid a hard reset and BIOS functions. I have never tried them, so I don't know.

Does two kernel monte really allow running processes to be preserved across the kernel swap?

Adam Augustine


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