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Commit 7e9dd124 authored by Nico Schottelius's avatar Nico Schottelius Committed by Linus Torvalds
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[PATCH] Updated Documentation/nfsroot.txt 



I today booted the first time my embedded device using Linux 2.6.15.2,
which was booted by pxelinux, which then bootet itself from the nfsroot.

This went pretty fine, but when I was reading through
Documentation/nfsroot.txt I saw that there are some more modern versions
available of loading the kernel and passing parameters.

Signed-off-by: default avatarNico Schottelius <nico-kernel@schottelius.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent d129bceb

Documentation/nfsroot.txt

+14 −3
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ Mounting the root filesystem via NFS (nfsroot) 


Written 1996 by Gero Kuhlmann <gero@gkminix.han.de>

Updated 1997 by Martin Mares <mj@atrey.karlin.mff.cuni.cz>

Updated 2006 by Nico Schottelius <nico-kernel-nfsroot@schottelius.org>
@@ -168,7 +169,6 @@ depend on what facilities are available: 
	root. If it got a BOOTP answer the directory name in that answer

	is used.





3.2) Using LILO

	When using LILO you can specify all necessary command line

	parameters with the 'append=' command in the LILO configuration
@@ -177,7 +177,11 @@ depend on what facilities are available: 
	LILO and its 'append=' command please refer to the LILO

	documentation.



3.3) Using loadlin

3.3) Using GRUB

	When you use GRUB, you simply append the parameters after the kernel

	specification: "kernel <kernel> <parameters>" (without the quotes).



3.4) Using loadlin

	When you want to boot Linux from a DOS command prompt without

	having a local hard disk to mount as root, you can use loadlin.

	I was told that it works, but haven't used it myself yet. In
@@ -185,7 +189,7 @@ depend on what facilities are available: 
	lar to how LILO is doing it. Please refer to the loadlin docu-

	mentation for further information.



3.4) Using a boot ROM

3.5) Using a boot ROM

	This is probably the most elegant way of booting a diskless

	client. With a boot ROM the kernel gets loaded using the TFTP

	protocol. As far as I know, no commercial boot ROMs yet
@@ -194,6 +198,13 @@ depend on what facilities are available: 
	and its mirrors. They are called 'netboot-nfs' and 'etherboot'.

	Both contain everything you need to boot a diskless Linux client.



3.6) Using pxelinux

	Using pxelinux you specify the kernel you built with

	"kernel <relative-path-below /tftpboot>". The nfsroot parameters

	are passed to the kernel by adding them to the "append" line.

	You may perhaps also want to fine tune the console output,

	see Documentation/serial-console.txt for serial console help.