That was surely an issue too. But after enabling that it still did not work so I checked dmesg:

cfg80211: failed to load regulatory.db

pointed me to the fact that I was also missing wireless regdb.

Still no success, so i also tried unplugging the wifi stick and plugging it in again. dmesg reports ...

Okay, then that's probably the issue. Because I have no idea how to modify that file. The commented out lines don't look like the active stuff and I don't understand the pattern.

#CONFIG_WLAN_VENDOR_RALINK is not set

vs

CONFIG_RK630_PHY=y

So if I set it active, would it be:
CONFIG_WLAN_VENDOR ...

On a second try I just added a bunch more stuff that seemed wifi related.
If you tell me how I can post a list of all added stuff.

example: wpa_supplicant_nl80211_rtk

[root@luckfox root]# wpa_supplicant_nl80211_rtk
wpa_supplicant v0.8.x_rtw-2-ga8ef7c824.20200911
Copyright (c) 2003-2011, Jouni ...

[root@luckfox root]# lsusb
Bus 001 Device 001: ID 1d6b:0002
Bus 001 Device 002: ID 148f:5572
Bus 002 Device 001: ID 1d6b:0003


What further settings does it need?

Since the booted system contains PHP, hostapd and apache I am fairly certain I booted the system I created with buildroot.


The ...

Thanks,
but buildroot does not work after installing the dependencies it ask s for it progesses further into:

...
make -C /home/maker/luckfox-pico/sysdrv/source/kernel ARCH=arm mrproper
make[1]: Entering directory '/home/maker/luckfox-pico/sysdrv/source/kernel'
/usr/bin/env: 'python': No such ...

Typically the Ralink wireless adapters just work under Linux. And according to:
https://linux-hardware.org/?id=usb:148f-5572

This should not be an exception.

does the Ubuntu image for Luckfox Pico for some reason not include the drivers in the kernel or is there another issue?

That worked.

I when you tell it to switch the USB mode from device to host it tells you it will work after a reboot. And it did work after a reboot. It noiw shows 3 entries and my plugged in USB device among them.

lsusb gives a completely empty result, even with sudo.

I powered it via poe still landed here.

I assume the Ubuntu images that are available now need some manual intervention here?

Looks very promising SSH accepts connections.
What are the default credentials?

Update:
Summary on how to connect:
Ubuntu image gets IP via DHCP
Login:
User: pico
Password: luckfox

Tested with pico ultra

Update 2:
What works? (Only stuff I could actually confirm myself directly is listed here ...