###
### Setup Base OS
###

# MANUAL: After Raspi Flash
#  - Touch ssh file on rootfs

# Login as pi / raspberry

# MANUAL: Run sudo raspi-config
    Update 8: Get latest configuration tool
    Network Options 2: Hostname -> myNode
    Boot Options 3: Choose Desktop / CLI -> Console
    Boot Options 3: Wait for Network at Boot
    Localisation 4: I2 -> US -> Central
    Localisation 4: I4 -> US
    Advanced 7: Expand Filesystem 
    Advanced 7: Memory Split -> 16
    Exit by selecting <Finish>, and <No> as no reboot is necessary
    
# Add admin user
sudo useradd -p $(openssl passwd -1 bolt) -m -s /bin/bash admin
sudo adduser admin sudo

# Update OS
sudo apt-get update
sudo apt-get -y upgrade

# Reboot
sudo reboot


### Log back in as admin


# Delete pi user
sudo deluser pi
sudo rm -rf /home/pi


# Install Log2Ram (Armbian has own solution)
cd /tmp
wget https://github.com/azlux/log2ram/archive/v1.2.2.tar.gz -O log2ram.tar.gz
tar -xvf log2ram.tar.gz
mv log2ram-* log2ram
cd log2ram
chmod +x install.sh
sudo ./install.sh
cd ~

# Sync
sync

######################
### MAKE IMAGE NOW ###
######################


# Final results
# - Image with SSH access
# - Root user disabled
# - Default user admin with password bolt