How does one run unix from ram-disk???

[Brad Cox]

There is a document ("Using the initial RAM disk") in the kernel
source (Documentation/initrd.txt) which explains how to use RAM disks
for booting.

On Mon, Mar 04, 2002 at 04:28:51PM -0800, David Cole wrote:
> I'm trying to boot BSD or Linux from a CD,
> and then load a ram-disk from the CD, 
> with BSD/Linux and Apache and Sendmail,  
> and then run Apache and Sendmail from the 
> ram-disk.
>    I can burn the bootable unix CD and copy 
> to the ramdisk.
> 
> *   But how do you point/transfer the running 
> operating system to run out of the ram-disk???
> 
>    Is there a way to switch root to the ram-disk???
> 
>    Is there a way to switch which HD is root???
> 
>    Or Is there a way to do something like a 
> warm boot into the ram-disk???
> 
>    I would prefer to not end up with a read-only 
> operating system that a CD gives me.
> 
> Thanks
> David Cole
> metalgrow at cds1.net
> 707-833-2551
> 
> 
> 

-- 
Brad Cox		brad at linuxbofh.com
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