bsd.rd for FreeBSD install

[Ricardo Jesus]

Jerry McAllister wrote:
> On Mon, Mar 02, 2009 at 10:02:25AM -0800, new_guy wrote:
> 
>> You misunderstand. I want to install FreeBSD from a ramdisk image (bsd.rd).
> 
> That is called  md  (memory disk) in FreeBSD land.   
> 
>> Is that possible? It's basically a small kernel that boots the machine,
>> formats the hard drive, setups root and installs the operating system over
>> ftp. 
> 
> That is what sysinstall is, plus the boot.   It is a program that
> builds the filesystems, sets up the system and loads everything on
> the disk.    The big problem is how to boot and bring it up without
> any external media.   I think some people have done it from network
> and second Hard drive boots as well as floppy and CD boots.   
> 
> ////jerry
> 
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One approach could be using an existing install like described here: 
http://www.freebsd.org/doc/en_US.ISO8859-1/articles/fbsd-from-scratch/article.html

Or even going the nanoBSD way: 
http://www.freebsd.org/doc/en_US.ISO8859-1/articles/nanobsd/article.html

But this defeats the OP's originial intent, e.g., ramdisk