# How to remaster a ubuntu 8.04 live-cd with a custom kernel.  This
# most likely works with 7.10 as well.
# -- Ben Greear <greearb@candelatech.com>

# This can _almost_ be cut-and-pasted into the prompt exactly
# as is, but it's likely I glossed over a few steps or commands
# Suggestions are welcome. --Ben


# BUILD_KERNEL

# These URLS may be useful to some, but they are mostly providing slightly
# diffent info on slightly different goals.

# Building kernel .debs
# See:  http://www.falkotimme.com/howtos/debian_kernel2.6_compile/
# Building new ubuntu installer:
# http://dsplabs.utt.ro/~juve/blog/index.cgi/01147559232
# Related notes:
# http://wiki.debian.org/DebianInstaller/Modify/CustomKernel
# http://ubuntuforums.org/archive/index.php/t-48128.html


#
# Get a standard ubuntu kernel, patch it, and build debs.
#
# This assumes you are using 'lanforge' for your private build id.  Obviously
# you will want to change this for your own project.

# Become root
sudo su -

# Get some development packages
apt-get install kernel-package ncurses-dev fakeroot wget bzip2

# Make us a private dir to play in
mkdir /usr/src/ben
cd /usr/src/ben
apt-get source linux-image-2.6.24-16-generic
cd linux-2.6.24/debian/binary-custom.d
# Read the README, and then proceed to add entries for a custom kernel build
mkdir lanforge
cd lanforge
#cp /boot/config-2.6.24-16-generic config.i386

if [ ! -f /mnt/ghome/greearb ]
then
   mount /mnt/ghome
fi
cp /mnt/ghome/greearb/btbits/btbits/kernel/kernel26-24_deb.cfg config.i386

# Make changes to the config, in my case:
# CONFIG_REDIRDEV=m
# CONFIG_HZ_250 is not set
# CONFIG_SUPPORT_SEND_BAD_CRC=y
# CONFIG_HZ=1000
# CONFIG_HZ_1000=y
# CONFIG_NR_CPUS=16
# DEBUG_INFO=n
vi config.i386

mkdir patchset
cp /mnt/ghome/greear/btbits/btbits/kernel/candela_2.6.24.patch patchset/0001-ct24_deb.patch
touch rules
echo custom_flavors == lanforge > vars
cd ../../..

# Add us to the control file
cat << EOF >> debian/control


Package: linux-image-2.6.24-16-lanforge
Architecture: i386
Section: base
Priority: optional
Pre-Depends: dpkg (>= 1.10.24)
Provides: linux-image, linux-image-2.6, fuse-module, kvm-api-4, ivtv-modules
Depends: initramfs-tools (>= 0.36ubuntu6), coreutils | fileutils (>= 4.0), module-init-tools (>= 3.3-pre11-4ubuntu3)
Conflicts: hotplug (<< 0.0.20040105-1)
Recommends: lilo (>= 19.1) | grub
Suggests: fdutils, linux-doc-2.6.24 | linux-source-2.6.24
Description: Linux kernel image with LANforge patches for version 2.6.24 on i386
 This package contains the Linux kernel image for version 2.6.24 on
 i386.  The Candela Technologies LANforge patchset has been applied.
 .
 Also includes the corresponding System.map file, the modules built by the
 packager, and scripts that try to ensure that the system is not left in an
 unbootable state after an update.
 .
 Supports Alternate x86 (486 and better) processors.


Package: linux-headers-2.6.24-16-lanforge
Architecture: i386
Section: devel
Priority: optional
Depends: coreutils | fileutils (>= 4.0), linux-headers-2.6.24-16,  ${shlibs:Depends}
Provides: linux-headers, linux-headers-2.6
Description: Linux kernel headers for version 2.6.24 on i386
 This package provides kernel header files for version 2.6.24 on
 i386.  The Candela Technologies LANforge patchset has been applied.
 .
 This is for sites that want the latest kernel headers.  Please read
 /usr/share/doc/linux-headers-2.6.24-16/debian.README.gz for details.

EOF


# Need to change generic-di to lanforge-di in debian/control
# so that the udebs will be built correctly.
if [ ! -f debian/control.orig ]
then
   cp debian/control debian/control.orig
fi
sed -e 's/generic-di/lanforge-di/g' debian/control.orig > debian/control.1
sed -e 's/XB-Kernel-Version: 2.6.24-16-generic/XB-Kernel-Version: 2.6.24-16-lanforge/g'\
  debian/control.1 > debian/control


# Set up kernel-versions correctly
cat << EOF > debian/d-i/kernel-versions
# arch  version         flavour         installedname                   suffix  bdep
i386    2.6.24-16       lanforge        2.6.24-16-lanforge              -
EOF

cp debian/d-i/kernel-versions ./

# NOTE:  If you modify a file after the kernel build has completed,
# the kernel will NOT be recompiled until you:
# rm debian/stamps/stamp-custom-build-lanforge
# rm -fr debian/linux-image-2.6.24-16-lanforge linux-headers-2.6.24-16-lanforge

# build the kernel packages
DEB_BUILD_OPTIONS=parallel=2 sudo fakeroot debian/rules custom-binary-lanforge

cp ../linux-image-2.6.24*lanforge_2.6.24*_i386.deb \
  /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/
cp ../linux-headers-2.6.24*lanforge_2.6.24*_i386.deb \
  /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/

cd /mnt/d2/pub/candela_cdrom.5.0.7/debs
dpkg-scanpackages . /dev/null | gzip -9c > dists/candela/multiverse/binary-i386/Packages.gz
cd -

# Build a custom module
KERNEL_BASE_DEB=/usr/src/ben/linux-2.6.24/debian/build/custom-build-lanforge
cd /mnt/ghome/greearb/btbits/btbits/kernel/wanlink
make -C ${KERNEL_BASE_DEB} SUBDIRS=$PWD modules
mv wanlink.ko wanlink_deb_24.ko
rm wanlink.o *.mod.o .wanlink* wanlink.mod.c;
rm -fr .tmp_version*
cd -


sudo apt-get update
# Install the new kernel on the host os
sudo apt-get install linux-image-2.6.24-16-lanforge
sudo apt-get install linux-headers-2.6.24-16-lanforge

# Get and build the ubuntu modules (squashfs, among others)
# http://ubuntuforums.org/showthread.php?t=553800
cd ..
apt-get source linux-ubuntu-modules-2.6.24
cd linux-ubuntu-modules*24

# Set up kernel-versions correctly
cat << EOF > debian/d-i/kernel-versions
# arch  version         flavour         installedname                   suffix  bdep
i386    2.6.24-16       lanforge        2.6.24-16-lanforge              -
EOF

cat << EOF > debian/custom_fixup_control
#!/bin/bash
sed -e 's/generic-di/lanforge-di/g' control > control.1
sed -e 's/XB-Kernel-Version: 2.6.24-16-generic/XB-Kernel-Version: 2.6.24-16-lanforge/g' control.1 > control.2
sed -e 's/2.6.24-16-generic/2.6.24-16-lanforge/g' control.2 > control
#sed -e 's/2.6.24-16-386/2.6.24-16-lanforge/g' control.3 > control
EOF
chmod a+x debian/custom_fixup_control

# Add fixup rule to call the fixup script
echo -e \\t\(cd debian\; ./custom_fixup_control\) >> debian/rules

fakeroot debian/rules binary-arch arch=i386 flavours=lanforge

cp ../linux-ubuntu-modules-2.6.24-16-lanforge_2.6.24-16.22_i386.deb \
  /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/
cp ../linux-headers-lum-2.6.24-16-lanforge_2.6.24-16.22_i386.deb \
  /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/

cd /mnt/d2/pub/candela_cdrom.5.0.7/debs
dpkg-scanpackages . /dev/null | gzip -9c > dists/candela/multiverse/binary-i386/Packages.gz
cd -
apt-get update
apt-get install linux-ubuntu-modules-2.6.24-16-lanforge
apt-get install linux-headers-lum-2.6.24-16-lanforge



# SKIP this if you just want a live cd.  The installer is used for
# 'regular' install images.
if false
then
# Skip this if you don't need udebs (you don't need them for a live cd)
# DEB_BUILD_OPTIONS=parallel=2 sudo fakeroot debian/rules do-binary-udebs
# Move our kernel debs into a target directory for easy installing with apt-get
# cp ../*.deb /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/


# Building the debian-installer initrd (udebs, not useful for live-cd)
sudo apt-get install kernel-wedge

sudo apt-get build-dep debian-installer
cd ..
sudo apt-get source debian-installer

sudo cp *.udeb debian-installer-*ubuntu*/build/localudebs

cd debian-installer-*ubuntu*/build

# Update to our 2.6.23.17-586
sudo vi config/i386.cfg

sudo make build_cdrom_isolinux

fi




# OR, Build a live-cd kernel and initrd from kernel.org source package.
KVER=2.6.23.17
LFVER=5.0.7
wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-$KVER.tar.bz2
tar -xvjf linux-$KVER.tar.bz2
cd linux-$KVER
 copy .config from proper place to .config
 copy candela patch locally
patch -p1 < candela_2.6.23.patch
export CONCURRENCY_LEVEL=2
make-kpkg clean
fakeroot make-kpkg --initrd --append-to-version=-586 \
 --revision=lanforge.$LFVER kernel_image kernel_headers
cp ../linux-image-2.6.23.17-586_lanforge.5.0.7_i386.deb \
 /mnt/d2/pub/candela_cdrom.5.0.7/debs/dists/candela/multiverse/binary-i386/



cd /mnt/d2/pub/candela_cdrom.5.0.7/debs
dpkg-scanpackages . /dev/null | gzip -9c > dists/candela/multiverse/binary-i386/Packages.gz

sudo apt-get update
# Install the new kernel on the host os
sudo apt-get install linux-image-2.6.24-16-lanforge



#
# Rebuild live-cd based off of existing live-cd image
#

# Mostly just follow notes on this page:
# http://www.debuntu.org/how-to-customize-your-ubuntu-live-cd-p2

#Also remove openoffice, totem, rhythmbox, sound-juicer, old linux kernel
#(after update)


# Should be able to copy & paste this on an Ubuntu machine to
# get desired results.

#UVER=7.10
export UVER=8.04

cd
sudo apt-get install squashfs-tools
mkdir /tmp/livecd
sudo mount -o loop ~/Desktop/ubuntu-$UVER-desktop-i386.iso /tmp/livecd
mkdir ~/livecd
mkdir ~/livecd/cd
rsync --exclude=/casper/filesystem.squashfs -a /tmp/livecd/ ~/livecd/cd
mkdir ~/livecd/squashfs
mkdir ~/livecd/custom
sudo modprobe squashfs
sudo mount -t squashfs -o loop /tmp/livecd/casper/filesystem.squashfs ~/livecd/squashfs/
sudo cp -a ~/livecd/squashfs/* ~/livecd/custom
sudo cp /etc/resolv.conf /etc/hosts ~/livecd/custom/etc/

# Enter the chroot
sudo chroot ~/livecd/custom
mount -t proc none /proc/
mount -t sysfs none /sys/
export HOME=/root 

# start up dbus, the hal needs it as part of it's install/upgrade procedure
/etc/init.d/dbus start

# Purge things we don't need.
echo Y|apt-get remove --purge gnome-games*
echo Y|apt-get remove --purge `dpkg-query -W --showformat='${Package}\n' | grep language-pack | egrep -v '\-en'` 
echo Y|apt-get remove --purge `dpkg-query -W --showformat='${Package}\n' | grep openoffice`
echo Y|apt-get remove totem
echo Y|apt-get remove totem-common
echo Y|apt-get remove rhythmbox
echo Y|apt-get remove sound-juicer
echo Y|apt-get remove evolution
echo Y|apt-get remove evolution-common
echo Y|apt-get remove ekiga
echo Y|apt-get remove example-content
echo Y|apt-get remove tomboy
echo Y|apt-get remove bogofilter
echo Y|apt-get remove bogofilter-bdb
echo Y|apt-get remove cdparanoia
echo Y|apt-get remove dcraw
echo Y|apt-get remove diveintopython
echo Y|apt-get remove espeak
echo Y|apt-get remove espeak-data
echo Y|apt-get remove evolution-data-server
echo Y|apt-get remove f-spot
echo Y|apt-get remove fortune-mod
echo Y|apt-get remove gnome-games-data
echo Y|apt-get remove ttf-arabeyes
echo Y|apt-get remove ttf-arphic-uming
echo Y|apt-get remove ttf-indic-fonts-core
echo Y|apt-get remove ttf-kochi-gothic
echo Y|apt-get remove ttf-kochi-mincho
echo Y|apt-get remove ttf-lao
echo Y|apt-get remove ttf-malayalam-fonts
echo Y|apt-get remove ttf-thai-tlwg
echo Y|apt-get remove ttf-unfonts-core

apt-get autoremove

apt-get update
echo Y|apt-get install portmap nfs-common nfs-kernel-server
mkdir /mnt/d2
mount 192.168.100.3:/mnt/d2 /mnt/d2

echo deb file:/mnt/d2/pub/candela_cdrom.5.0.7/debs candela multiverse >> /etc/apt/sources.list
echo deb http://archive.ubuntu.com/ubuntu gutsy universe multiverse >> /etc/apt/sources.list
apt-get update

echo Y|apt-get dist-upgrade

echo Y|apt-get install tshark wireshark traceroute dhcp bridge-utils ssh

# Install LANforge
# No need to manually add-user now, as the lanforge-gui deb does that for us.
#adduser lanforge
apt-get install lanforge-gui
apt-get install lanforge-server
apt-get install lanforge-xorp
apt-get install linux-image-2.6.24-16-lanforge
apt-get install linux-headers-lum-2.6.24-16-lanforge
apt-get install linux-ubuntu-modules-2.6.24-16-lanforge

# Set up the installer icon on the desktop
cp /usr/share/applications/ubiquity-gtkui.desktop /home/lanforge/Desktop/

cp /usr/share/applications/gnome-terminal.desktop /home/lanforge/Desktop/

# Set root password
sudo passwd root

# Enable root to pop up X windows
# Change DisallowTCP=true to =false
vi /etc/gdm/gdm.conf

# Disable network-manager...it conflicts with LANforge
echo "auto lo" > /etc/network/interfaces
echo "iface lo inet loopback" >> /etc/network/interfaces
echo >> /etc/network/interfaces
echo "auto eth0 inet dhcp" >> /etc/network/interfaces

vi /etc/xdg/autostart/nm-applet.desktop
# Set auto-start to false

# Add lanforge to /etc/sudoers
vi /etc/sudoers

# Let LANforge know it's in a live-cd environment
echo "Ubuntu LIVE CD" > /home/lanforge/lanforge_live.txt

# Remove old kernel

# Clean up chroot
/etc/init.d/dbus start
apt-get autoremove
apt-get clean
rm -fr /tmp/*
umount /mnt/d2
umount nfsd
umount /proc
umount /sys
umount /proc
umount /sys
umount tmpfs
rm -f /etc/hosts /etc/resolv.conf

# Exit from chroot
exit

export UVER=8.04

# Get ready to make the ISO
chmod +w ~/livecd/cd/casper/filesystem.manifest
sudo chroot ~/livecd/custom dpkg-query -W \
--showformat='${Package} ${Version}\n' > ~/livecd/cd/casper/filesystem.manifest
sudo cp ~/livecd/cd/casper/filesystem.manifest ~/livecd/cd/casper/filesystem.manifest-desktop

# Copy new kernel into isolinux dir for the live cd
# This would copy a stock ubuntu kernel correctly..but not a custom built one.
sudo cp ~/livecd/custom/initrd.img ~/livecd/cd/casper/initrd.gz
sudo cp ~/livecd/custom/vmlinuz ~/livecd/cd/casper/vmlinuz

# This is for building non-live CDs, and assumes you have built the debian-installer
# and supporting udeb initrd.
#sudo cp /usr/src/ben/debian-installer-20070308ubuntu39/build/dest/cdrom/vmlinuz \
# ~/livecd/cd/casper/
#sudo cp /usr/src/ben/debian-installer-20070308ubuntu39/build/dest/cdrom/initrd.gz \
# ~/livecd/cd/casper/

# Make the squashfs file system
sudo rm ~/livecd/cd/casper/filesystem.squashfs
sudo mksquashfs ~/livecd/custom ~/livecd/cd/casper/filesystem.squashfs

# Edit ~/livecd/cd/README.diskdefines
sudo vi ~/livecd/cd/README.diskdefines

sudo rm ~/livecd/cd/md5sum.txt
sudo -s
(cd ~/livecd/cd && find . -type f -print0 | xargs -0 md5sum > md5sum.txt)

export UVER=8.04
cd ~/livecd/cd
sudo mkisofs -r -V "Ubuntu-Live-LANforge" -b isolinux/isolinux.bin -c isolinux/boot.cat \
-cache-inodes -J -l -no-emul-boot -boot-load-size 4 -boot-info-table \
-o ~/Desktop/Ubuntu-Live-$UVER-LANforge.iso .

cp ~/Desktop/Ubuntu-Live-$UVER-LANforge.iso /mnt/d2/pub/candela_cdrom.5.0.7/
exit