Docker image for a service that creates a captive portal for connecting to wifi if necessary.
- balena-io-experimental/balena-sound#54
- http://www.kaizou.org/2014/06/dbus-command-line.html
- https://unix.stackexchange.com/questions/234452/nmcli-device-eth1-unavailable
- https://askubuntu.com/questions/71159/network-manager-says-device-not-managed
- https://www.freedesktop.org/wiki/Software/dbus/
- https://www.balena.io/docs/learn/develop/runtime/#dbus-communication-with-host-os
- https://github.com/balena-io-playground/balenalib-systemd-example
- https://github.com/balena-io-library/base-images/blob/master/scripts/assets/entry.sh#L10
- https://askubuntu.com/questions/1000860/job-for-networkmanager-service-failed-because-the-control-process-exited-with-er
- https://raspberrypi.stackexchange.com/questions/3200/wifi-bring-wlan0-up-on-boot