On Jan 15, 2013, at 10:18 AM, Wojciech Puchar wrote:
> does anyone know a PXE image (just like /boot/pxeboot) that can be placed on
> tftp server and the only thing it will do would be loading first sector from
> first local disk at 0x07c00 and booting as with normal hard drive.
>
> what i need is to be able to decide from server side if given computer boots
> from NFS or hard disk.
>
Yeah, no prob.
NOTE: Our PXE server is Linux (*blech) but I assure you the only thing that
changes is the paths (/etc/dhcpd.conf becomes /usr/local/etc/dhcpd.conf for
example -- the pxelinux.0 image works fine served-up by ISC dhcpd on FreeBSD).
First part of the recipe:
$ awk '/filename/&&!/^[[:space:]]*(#|$)/{print}' /etc/dhcpd.conf
filename "pxelinux.0";
$ ls -l /tftpboot/pxelinux.0
lrwxrwxrwx 1 root root 15 May 15 2012 /tftpboot/pxelinux.0 -> pxelinux.0-3.84
$ file /tftpboot/pxelinux.0-3.84
/tftpboot/pxelinux.0-3.84: data
Next part of the recipe… The /etc/pxelinux.cfg/default file:
DISPLAY /boot/include/boot.msg
DEFAULT wpuchar_nfs
PROMPT 1
ONTIMEOUT hdd
TIMEOUT 50
TOTALTIMEOUT 6000
LABEL hdd
LOCALBOOT 0x80
LABEL wpuchar_nfs
… your nfs boot config …
Last but not least, …
$ cat /tftpboot/boot/include/boot.msg
Press ENTER to boot from WPuchar's NFS server (defaulting to HDD boot in 5
seconds)...
--
Devin
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