Script for Building a Beaglebone Black Archlinux ARM system with JupyterLab.

archinstall.sh

#!/bin/bash

TMPDIR=.tmp
DEVICE=/dev/mmcblk1
CURDIR=`pwd`
PARTITION=$DEVICE"p1"
PACKAGES="\
base-devel git vim \
nodejs npm \
jupyter jupyter-notebook jupyterlab python2-ipykernel python-numpy python-scipy python-pandas python-requests \
avahi"

function init {
	pacman -S arch-install-scripts wget
	rm -rf $TMPDIR
	mkdir -p $TMPDIR
	cd $TMPDIR
	mkdir mnt
}

function create_partition {
dd if=/dev/zero of=$DEVICE bs=1M count=8
sed -e 's/\s*\([\+0-9a-zA-Z]*\).*/\1/' << EOF | fdisk $DEVICE
  o # clear the in memory partition table
  n # new partition
  p # primary partition
  1 # partition number 1
  2048  # starting at 2048 
    # default last sector
  w # write and exit
EOF
mkfs.ext4 $PARTITION
}

function fetch_image {
	wget http://os.archlinuxarm.org/os/ArchLinuxARM-am33x-latest.tar.gz
}

function install_image {
	bsdtar -xpf ArchLinuxARM-am33x-latest.tar.gz -C mnt
	sync
}

function install_bootloader {
	dd if=mnt/boot/MLO of=$DEVICE count=1 seek=1 conv=notrunc bs=128k
	dd if=mnt/boot/u-boot.img of=$DEVICE count=2 seek=1 conv=notrunc bs=384k
}

function setup_system {
	cat > mnt/opt/bootstrap.sh << EOL
#!/bin/bash

# Initialize package manager
pacman-key --init
pacman-key --populate archlinuxarm
pacman --noconfirm -Syu
pacman --noconfirm -S $PACKAGES

# Create unpriveleged user for Jupyter
useradd jupyter
mkdir -p /home/jupyter
groupadd jupyter
usermod -a -G jupyter jupyter
chown jupyter /home/jupyter

# Setup sudo priveleges for jupyter user
groupadd sudo
usermod -a -G sudo jupyter

# Map port 80 (which can't be hosted by the jupyter user) to port 8888 (which can)
echo ""
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8888
iptables-save > /etc/iptables/iptables.rules
systemctl enable iptables

# Create and enable the jupyter service
cat <<EOF > /etc/systemd/system/jupyter.service
[Unit]
Description=Jupyter Notebook

[Service]
Type=simple
PIDFile=/run/jupyter.pid
ExecStart=/usr/bin/jupyter lab --config=/home/jupyter/.jupyter/jupyter_notebook_config.py
User=jupyter
Group=jupyter
WorkingDirectory=/home/jupyter/
Restart=always
RestartSec=10
#KillMode=mixed

[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable jupyter

# Configure jupyterlab
sudo -i -u jupyter jupyter notebook --generate-config

cat <<EOF >> /home/jupyter/.jupyter/jupyter_notebook_config.py
c.NotebookApp.password = u''
c.NotebookApp.ip = u'0.0.0.0'
c.NotebookApp.token = u''
EOF

# Install, configure and enable avahi (bonjour) service discovery
systemctl disable systemd-resolved
systemctl enable avahi-daemon

cat <<EOF > /etc/avahi/services/jupyter.service
<?xml version="1.0" standalone='no'?><!--*-nxml-*-->
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">

<service-group>
        <name replace-wildcards="yes">%h JupyterLab</name>
        <service>
                <type>_http._tcp</type>
                <port>80</port>
        </service>
</service-group>
EOF

jupyter labextension install @jupyter-widgets/jupyterlab-manager

EOL

	# Install the bootstrap script (above, sets up target system) and execute it in the target chroot
	chmod a+x mnt/opt/bootstrap.sh
	arch-chroot mnt /opt/bootstrap.sh
}

function cleanup {
	umount mnt
	sync
}


init
fetch_image
create_partition

mount $PARTITION mnt
{
	install_image
	install_bootloader
	setup_system
	cleanup
} || {
	echo "FAILED"
	umount mnt
	cd $CURDIR
	rm -rf $TMPDIR
}