factory root 1234
root po
opz opz

gadget serial = com23 (or other) 9600 0
find com ports = mode

ifconfig eth0 192.168.1.221 netmask 255.255.0.0 up

https://lucsmall.com/2017/01/19/beginners-guide-to-the-orange-pi-zero/

Static IP
cp /etc/network/interfaces /etc/network/interfaces.backup
sudo nano /etc/network/interfaces

# Ethernet adapter 0
auto eth0
allow-hotplug eth0
#no-auto-down eth0
iface eth0 inet static
address 192.168.1.100
netmask 255.255.255.0
gateway 192.168.1.1
dns-nameservers 192.168.1.1
#dns-nameservers 1.1.1.1 1.0.0.1

---