live-custom-ubuntu-from-scr.../README.md

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# Live custom Ubuntu from scratch
## Prerequisites (GNU/Linux Debian/Ubuntu)
Install applications we need to build the environment.
```
sudo apt-get install \
debootstrap \
squashfs-tools \
genisoimage \
syslinux \
isolinux
```
```
mkdir $HOME/live-ubuntu-from-scratch
```
## Bootstrap and Configure Ubuntu
```
sudo debootstrap \
--arch=amd64 \
--variant=minbase \
bionic \
$HOME/live-ubuntu-from-scratch/chroot \
http://us.archive.ubuntu.com/ubuntu/
```
```
sudo mount --bind /dev $HOME/live-ubuntu-from-scratch/chroot/dev
sudo mount --bind /run $HOME/live-ubuntu-from-scratch/chroot/run
```
```
sudo chroot $HOME/live-ubuntu-from-scratch/chroot
```
```
mount none -t proc /proc
mount none -t sysfs /sys
mount none -t devpts /dev/pts
export HOME=/root
export LC_ALL=C
```
## Set a custom hostname
```
echo "ubuntu-live" > /etc/hostname
```
## Configure apt sources.list and update
Edit /etc/apt/source.list
```
cat <<EOF > /etc/apt/sources.list
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse
EOF
```
## Upgrade packages if you want
```
apt-get update
apt-get -y upgrade
```
## Install and configure dbus
```
apt-get install -y systemd-sysv
apt-get install -y dbus
```
```
dbus-uuidgen > /var/lib/dbus/machine-id
dpkg-divert --local --rename --add /sbin/initctl
ln -s /bin/true /sbin/initctl
```
## Install packages needed for Live System
```
apt-get install -y ubuntu-standard casper lupin-casper
apt-get install -y laptop-detect os-prober
apt-get install -y linux-generic
```
## Graphical installer
```
apt-get install -y \
ubiquity \
ubiquity-casper \
ubiquity-frontend-gtk \
ubiquity-slideshow-ubuntu \
ubiquity-ubuntu-artwork
```