Howto unattended install ubuntu server LTS 10.4.2

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# Howto unattended install ubuntu server LTS 10.4.2
# Written by Karl Kloppenborg
# For Crucial Paradigm and Damien what's-es-face.
# Copyright 2011 - ~ - Karl Kloppenborg
# notes, I am doing this on CENTOS5.5

1) gewt a copy of the disk: ubuntu-10.04.2-server-i386.iso
I got mine from:
wget http://mirror.internode.on.net/pub/ubuntu/releases/10.04/ubuntu-10.04.2-server-i386.iso

...store this in /root because that's an awesome place.

2) Now we mount the disk to mnt
mount -o loop /root/ubuntu-10.04.2-server-i386.iso /mnt

3) Now we will configure the webserver (or if your me this is one I prepared earlier ;0 )
yum -y install httpd
default location of www is /var/www/html

4) so make a directory to serve this ubuntu stuff from:
mkdir /var/www/html/ubuntu

5) Now move everthing into the ubuntu directory, so from inside /mnt issue this:
cp -R * /var/www/html/ubuntu

Should buzz around for a while with flashy lights -- this is to be expected.

now start httpd;
service httpd start

Now, assuming you've setup tftp and its verified working, do the following:

I have setup the following as my TFTP directory: /data/tftpboot/

6) Create the directory ubuntu inside this:
mkdir /data/tftpboot/ubuntu

7) now in the /mnt do the following:

cd install/netboot/

8) copy this contents to the tftp dir
cp -R  * /data/tftpboot/ubuntu

now assuming you have already configured DHCPD and its verified working you should be pointing senor computor, to the right pxelinux.0

9) edit dhcpd.conf in /etc/
make sure you add:

next-server 10.255.0.1;
filename "ubuntu/pxelinux.0";

obviously adjust the configuration of next-server to suit your IP of tftpd location.... ;P

now restart dhcpd and verify you didn't break config.

10) now edit /data/tftpboot/ubuntu/pxelinux.cfg/default... delete what ever was in there and add:
---------------------
default install
label install
        menu label ^Install
        menu default
        kernel ubuntu-installer/i386/linux
        append ramdisk_size=14984 locale=en_US console-setup/ask_detect=false  console-setup/layoutcode=us  netcfg/choose_interface=eth1 netcfg/get_hostname=testserver url=http://10.255.0.1/ubuntu-preseeds/preseed.cfg vga=normal initrd=ubuntu-installer/i386/initrd.gz -- quiet

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Note that append should be entirely one line, this stupid pastebin is just ruining my good work ;)

Boot and enjoy ;)

(Don't forget your preseed file I gave you Damien :p )

Cheers,
Karl Kloppenborg.