Setup Base Image (ROCK64)

After Armbian Flash
- Login with root / 1234
- Change root password to something longish like boltbolt
- Create admin user with password bolt
Login as admin
Delete root password
```
sudo passwd -d root
```

Set hostname

echo "mynode" | sudo tee /etc/hostname
sudo sed -i 's/rock64/mynode/g' /etc/hosts
# OR armbian-config -> Personal -> Hostname

Overclock

sudo sed -i "s/MAX_SPEED=.*/MAX_SPEED=1510000/" /etc/default/cpufrequtils
sudo systemctl restart cpufrequtils

Update packages

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

Install some necessary tools

sudo apt-get -y install network-manager tmux

Regenerate MAC Address for Rock64

. /usr/lib/armbian/armbian-common
CONNECTION="$(nmcli -f UUID,ACTIVE,DEVICE,TYPE connection show --active | tail -n1)"
UUID=$(awk -F" " '/ethernet/ {print $1}' <<< "${CONNECTION}")
get_random_mac
nmcli connection modify $UUID ethernet.cloned-mac-address $MACADDR
nmcli connection modify $UUID -ethernet.mac-address ""

Sync
```
sync
sudo shutdown -h now
```
Make image now (if imaging)

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Setup Base Image (ROCK64)

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