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
```
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## Configure apt sources.list
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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
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```
apt-get update
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apt-get -y upgrade
```
## Install and configure dbus
```
apt-get install -y systemd-sysv
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apt-get install -y dbus
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```
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```
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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
```
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apt-get install -y \
ubuntu-standard \
casper \
lupin-casper \
discover \
laptop-detect \
os-prober \
network-manager \
linux-generic
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```
## Graphical installer
```
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apt-get install -y \
ubiquity \
ubiquity-casper \
ubiquity-frontend-gtk \
ubiquity-slideshow-ubuntu \
ubiquity-ubuntu-artwork
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```
## Install window manager
```
apt-get install -y \
plymouth-theme-ubuntu-gnome-logo \
ubuntu-gnome-desktop \
ubuntu-gnome-wallpapers
```
## Install usefull applications
```
apt-get install -y \
clamav-daemon \
terminator \
apt-transport-https \
curl \
vim \
nano
```
## Install Visual Studio Code
1. Download and install the key
```
curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
install -o root -g root -m 644 microsoft.gpg /etc/apt/trusted.gpg.d/
echo "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list
rm microsoft.gpg
```
2. Then update the package cache and install the package using:
```
apt-get update
apt-get install -y code
```
## Install Google Chrome
1. Download and install the key
```
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
```
2. Add the key to the repository
```
echo "deb http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list
```
3. Finally, Update repository and install Google Chrome.
```
apt-get update
apt-get install google-chrome-stable
```
## Remove unused applications
```
apt-get purge -y \
transmission-gtk \
transmission-common \
gnome-mahjongg \
gnome-mines \
gnome-sudoku \
aisleriot \
hitori
```
## Remove unused packages
```
apt-get autoremove -y
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```