You should run these commands from a working Gentoo installation. Do not reboot off of the Gentoo install CD or anything.
My Faketoo host (i.e. my actual workstation) is a Dell PowerEdge 400SC with a Pentium 4 2.4GHz CPU (hyperthreading enabled) and 512MB of RAM, running a 2.6.3-gentoo-r1 SMP kernel (hyperthreading makes the kernel think it has two processors) and Gentoo 2004.0.
And now, without further ado, here is the Captain's Log:
Code: Select all
# ==========================================================
# Faketoo: Building a development Gentoo install inside a chroot jail
#
# Version: 1.0.2
#
# Changelog:
# 1.0.2
# - Mounting /etc/init.d as loop,noexec
# - Mounting /usr/portage as bind
# - Creating PORTDIR_OVERLAY /usr/local/portage
# - Stuff proxy-related environment variables into ~juser/.bashrc
# 1.0.1
# - Preserving permissions when creating virgin tarball
# 1.0.0
# - Initial revision
# ==========================================================
# Insert Gentoo i686 LiveCD (Disc 1)
mount /mnt/cdrom
# Create chroot jail
mkdir ~/faketoo
# Create loopback filesystems that we will need for the jail
mkdir ~/faketoo/loopbacks
dd if=/dev/zero of=~/faketoo/loopbacks/etc-init.d seek=5K count=16 bs=1
mkreiserfs -f ~/faketoo/loopbacks/etc-init.d
# Install Gentoo in jail
cd ~/faketoo
mkdir -p etc/init.d
sudo mount -o loop,noexec loopbacks/etc-init.d etc/init.d
sudo tar xvjpf /mnt/cdrom/stages/stage3-pentium4-20040218.tar.bz2
sudo tar xvjf /mnt/cdrom/snapshots/portage-20040223.tar.bz2 -C usr/
sudo mkdir usr/portage/distfiles/
sudo cp /mnt/cdrom/distfiles/* usr/portage/distfiles/
sudo cp -ar /lib/modules ~/faketoo/lib/modules
sudo rm -rf ~/faketoo/dev
sudo mkdir ~/faketoo/dev
sudo chown root:root ~/faketoo/dev
sudo chmod 755 ~/faketoo/dev
sudo rm -rf ~/faketoo/usr/portage
sudo mkdir ~/faketoo/usr/portage
sudo chown root:root ~/faketoo/usr/portage
sudo chmod 755 ~/faketoo/usr/portage
# Swap Gentoo Pentium4 Package CD into CDROM drive
umount /mnt/cdrom
# Enter jail
sudo mount -o bind -t devfs /dev ~/faketoo/dev
sudo mount -t proc none ~/faketoo/proc
sudo mount -o bind /usr/portage ~/faketoo/usr/portage
sudo cp /etc/resolv.conf ~/faketoo/etc/
sudo chroot ~/faketoo /bin/bash
env-update
source /etc/profile
export PS1=': \u@FAKETOO; '
# Set localtime
ln -sf /usr/share/zoneinfo/America/New_York /etc/localtime
# Create /etc/fstab
cat >/etc/fstab <<EOF
/loopbacks/etc-init.d /etc/init.d reiserfs loop,noexec 0 0
/dev/cdroms/cdrom0 /mnt/cdrom iso9660 noauto,ro,user 0 0
EOF
# Setup networking
echo faketoo >/etc/hostname
echo domain.tld >/etc/dnsdomainname
# Configure rc.conf
sed -i -e 's/^EDITOR/#EDITOR/' -e 's/^#\(EDITOR=.\+vim"\)$/\1/' /etc/rc.conf
# Fix USE flags
sed -i -e 's/^USE="\(.\+\)"$/USE="\1 -gpm"/' /etc/make.conf
# Setup Portage to use binary packages when available
mount /mnt/cdrom
export PKGDIR=/mnt/cdrom
# Install system logger and cron daemon
emerge -k syslog-ng
emerge -k vixie-cron
# Setup root's environment
passwd
cat >~/.bashrc <<EOF
export PS1=': \u@FAKETOO; '
export PS2=': ; '
mount -a &>/dev/null
EOF
# Accounts management
groupadd juser
useradd juser -m -g juser -G users,wheel,audio,games,portage -s /bin/bash
passwd juser
cat >~juser/.bashrc <<EOF
export PS1=': \u@FAKETOO; '
export PS2=': ; '
EOF
for i in `env |grep -i proxy`; do echo "export $i" >>~juser/.bashrc; done
# Install a decent editor
emerge vim
# Setup sudo
emerge -k sudo
sed -i -e 's/^# \(%wheel\tALL=(ALL)\tALL\)$/\1/' /etc/sudoers
cat >>/etc/sudoers <<EOF
Defaults !lecture,timestamp_timeout=60
EOF
# Setup Portage overlay (for ebuild development)
mkdir /usr/local/portage
chown root:root /usr/local/portage
chmod 755 /usr/local/portage
cat >>/etc/make.conf <<EOF
## For ebuild development
#PORTDIR_OVERLAY=/usr/local/portage
#ACCEPT_KEYWORDS='~x86 ~amd64 ~sparc ~ppc ~alpha ~mips ~hppa ~ia64 ~ppc64'
## Debug options
#CFLAGS="-march=pentium4 -pipe -g"
#CXXFLAGS=""
#USE=" debug"
#FEATURES=" nostrip keeptemp keepwork noclean"
EOF
# Leave jail
umount /mnt/cdrom
exit
# Create virgin image
cd
sudo umount ~/faketoo/dev
sudo umount ~/faketoo/proc
sudo tar cvjpf ~/faketoo.tbz2 faketoo
faketoo.sh
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#!/bin/bash
# ==========================================================
# faketoo.sh: Enter the Faketoo jail
#
# Version: 1.0.1
#
# Changelog:
# 1.0.1
# - Fixing the erroneous $HOME environment variable for root
# 1.0.0
# - Initial revision
# ==========================================================
if [ $UID -ne 0 ]; then
echo You must be root!
exit 1
fi # if (not root)
# Are /dev and /proc mounted inside the jail?
mounted=`mount`
# Mount /dev if it is not already
echo "${mounted}" | grep $HOME/faketoo/dev &>/dev/null
if [ $? -ne 0 ]; then
echo mount -o bind -t devfs /dev $HOME/faketoo/dev
mount -o bind -t devfs /dev $HOME/faketoo/dev
fi # if (mounting /dev)
# Mount /proc if it is not already
echo "${mounted}" | grep $HOME/faketoo/proc &>/dev/null
if [ $? -ne 0 ]; then
echo mount -t proc none $HOME/faketoo/proc
mount -t proc none $HOME/faketoo/proc
fi # if (mounting /proc)
# Mount /usr/portage if it is not already
echo "${mounted}" | grep $HOME/faketoo/usr/portage &>/dev/null
if [ $? -ne 0 ]; then
echo mount -o bind /usr/portage $HOME/faketoo/usr/portage
mount -o bind /usr/portage $HOME/faketoo/usr/portage
fi # if (mounting /usr/portage)
# Enter the jail
HOME=/root chroot ~/faketoo /bin/bash
I'm doing just that 
