Wifi configuration module for emoncms. Installed on emonPi pre-built SD card image
cd /var/www/emoncms/Modules
git clone https://github.com/emoncms/wifi
Give web user permission to execute system wlan commans:
Append the following to the end of /etc/sudoers:
sudo nano /etc/sudoers
www-data ALL=(ALL) NOPASSWD:/sbin/ifdown wlan0,/sbin/ifup wlan0,/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf,/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf,/sbin/wpa_cli scan_results,/sbin/wpa_cli scan,/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf,/etc/init.d/hostapd start,/etc/init.d/hostapd stop,/etc/init.d/dnsmasq start,/etc/init.d/dnsmasq stop,/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf