Setup Base Image (Rock Pi 4)

After Armbian Flash
- Open Terminal (no login)
- Change set root password to something like rootbolt
- Create admin user with password adminbolt
Login as admin
Delete root password and set admin pass to bolt
```
sudo passwd -d root
sudo passwd admin
```

Set hostname

echo "myNode" | sudo tee /etc/hostname
sudo sed -i 's/rockpi4-b/myNode/g' /etc/hosts
# OR armbian-config -> Personal -> Hostname

Update packages

sudo apt-get update
sudo apt-get -y upgrade

Install some necessary tools

sudo apt-get -y install network-manager tmux