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

[David Cole]

Thanks,
   David

----- Original Message ----- 
From: "Brad Cox" <brad at linuxbofh.com>
To: <talk at nblug.org>
Sent: Monday, March 04, 2002 5:56 PM
Subject: Re: How does one run unix from ram-disk???


> 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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