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rnm

Raspberry Network Manager (jessie)

Purpose: Provide services that can connect a headless raspberry to a wifi network. Let's say we have a device equipped with a rpi and that we place it in a new wifi environment. Then we would like to have an easy way (for non-technical end-users) to enable wireless networking for our device. If the device does not find a guest network, then it should start an access point and provide some service for further wifi network configuration.

After installation you should be able to run the web server with python /home/pi/rnm/web_server.py runserver --host 0.0.0.0

wifi scanning: is performed with scan_wifi.py using wpa_cli. If not in AP mode, scans and saves results in /home/pi/scan_results.txt.

ap setup: due to issues after AP setup, check_ap_status.py is used to fix the issues so that its possible to initiate AP rpi_ap without password. It runs udhcpd. It's possible to ssh using 192.168.1.42.

todo

  • /home/pi/ap -> is supposed to start ap, need to first perform a scan, then setup ap, then reboot, then again fix ap issues, then start webserver so that user can see the scan results so that user can decide how to connect (password, wps).
  • When user have choosen the ssid, rpi should go back to wifi mode and reboot (and start the webserver again)

Similar projects:

(search for "wifi" on pypi)

Starting points:

Conf files affected:

  • /etc/udhcpd.conf
  • /etc/default/udhcpd
  • /etc/network/interfaces
  • /etc/hostapd/hostapd.conf
  • /etc/default/hostapd

Some Debian commands:

  • sudo apt-get install hostapd udhcpd -y
  • (optional) sudo ifconfig wlan0 [static ip-address]
  • sudo service hostapd
  • sudo service udhcpd
  • sudo update-rc.d hostapd [enable/disable]
  • sudo update-rc.d udhcpd [enable/disable]

Experimenting: