When your device is dual boot with Ubuntu and Windows 10, you'll got a chance to lose the WiFi device in Ubuntu.
To fix this issues, try to disable the "Fast Startup" feature in Windows 10.
It solves the problem for me, hope this work for you too.
Saturday, October 24, 2020
Sunday, October 11, 2020
Ubuntu apt-get update with NO_PUBKEY error
In Ubuntu, I'd encountered the following error when doing a apt-get update:
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F7E06F06199EF2F2
This key belongs to the repository https://qgis.org/ubuntu. To add the key, I did the following:
sudo apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 F7E06F06199EF2F2
By default, the command above will called gpg which uses port 11371. I had to force command to use port 80 instead. Also, please also pay attention that the protocol is called "hkp://"
Ref: https://askubuntu.com/questions/1119727/gpg-keyserver-receive-failed-connection-timed-out
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