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FAQ
Does Comitup require a Raspberry Pi with built in WiFi?
Wifi Hardware support for 'Access Point Mode' is iffy. It just so happens that the 802.11 chip in the Pi 3 and the Zero W models, and newer models, support it fairly well. Many USB adapters off-the-rack don't.
Will it work with my USB Ethernet Adapter on a different kind of Raspberry Pi?
Since the software is dependent on the Wifi adapter, the answer is "it depends". At a minimum, it must include "AP" in the list of "Supported interface modes" returned by:
sudo iw list
I've gotten the KOOTEK KT-RPWF (RealTek RTL8188CUS chipset) adapter working with a Raspberry Pi 2.
The RaLink Technology RT5370 chipset works, except that it does not provide an available AP list when in AP mode. You can still enter an SSID manually.
For devices which don't return an AP list when in AP mode, adding a second wifi adapter can help. Comitup will query both for the list.
I don't want to download the OS image. Can I just install the package to my Raspbian instance?
Yes. Older versions are also available in the Raspbian repository.
Can Comitup work with a read-only filesystem?
Comitup can be made to avoid writing to disk, but it works with NetworkManager, which cannot. Once the upstream WiFi is configured, disable the comitup service, or uninstall the package before locking down the filesystem.
Under what circumstances does the hotspot start and terminate?