Running OS from CD

[Firewalls <Firewalls () exchange ware net>]

Has anyone succeeded in running a secured linux kernel from CD or other
read only media? Are there any FAQs, or tips on this? I guess a flash
disk is also a possibility. 

I realize there's a performance penalty for this, but it seems that most
of the executable code would wind up in RAM pretty quick (which I
recognize isn't read only) but it sure seems a lot safer. 

Thanks,

Lance Ware
WareNet
http://www.ware.net/
949-367-9862
949-348-8668 fax

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