root@bpi-r64:~# dpkg-reconfigure tzdata
root@bpi-r64:~# date -s "2019-02-03 11:24:00 CET"
#remove existing ip-addr for wan (optional) and add new
root@bpi-r64:~# curip=$(ip addr show eth1 | grep inet | awk '{print $2}')
root@bpi-r64:~# ip addr del $curip dev eth1
#add new one
root@bpi-r64:~# ip addr add 192.168.0.18/24 dev eth1
root@bpi-r64:~# ip link set eth1 down
root@bpi-r64:~# ip link set eth1 up
root@bpi-r64:~# ip route add default via 192.168.0.10
root@bpi-r64:~# echo "nameserver 192.168.0.10">/etc/resolv.conf