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make sure you are on latest build, mine is on 68
root@fablab:~# cat /etc/version
WiFi connects automatically after reboot! I have configured it with configure_edison --setup this option is available since build 68
I have put most important step into a single doc: Easy start: Intel Edison as gateway for IoT and more … or on www.fab-lab.eu/edison
That's a very useful document you wrote there.
I'll get my Edison upgrade to build 68.
I ran into the same issue that started this thread - I got into a situation where I would loose my WiFi IP address every time I rebooted. I'm sure it was my own doing, but I could never resolve the issue. Finally, I just reflashed my image since a new image was released a few days ago. Now all is OK and back to normal.
In any case, I was wondering what else I might have checked in case this happens again. WiFi was up. It just didn't have an IP address. I could give it one with 'ifconfig wlan0 192.168.1.99' and it would work OK until I rebooted. I could also do a 'udhcpc -i wlan0' and it would be OK until I rebooted. I could also do a 'configure_edison --setup' and it would be OK until a reboot.
Needless to say, then I would have to connect a serial console cable to get WiFi again working every time I rebooted.
'/etc/wpa_supplicant/wpa_cli-actions.sh' and '/etc/wpa_supplicant/wpa_supplicant.conf' looked OK.
I tried everything in fablab's post but nothing worked for me. I must have somehow changed something somewhere. Any suggestions what I can look for next time?
What about the “auto wlan0" line under “#wireless interfaces” when you type /etc/network/interfaces.
Actually, /etc/network/interfaces was one of the first things I tried to find. But, I didn't have a /etc/network folder. Of course, at this point, I have reflashed it with the latest image and all is working OK. However, I did just now check and I still don't have a /etc/network folder. I also just ran 'find' and couldn't find an interfaces file anywhere. If I create that folder and an interfaces file, will the Yocto kernel check it on boot?
There is no interfaces file on the Edison Yocto. Nor are there the scripts to support it even if you create it.