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Discussion on: How to use the WiFi in Ubuntu 20.04 using realtek semiconductor 802.11n

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djose-777

sudo add-apt-repository ppa:kelebek333/kablosuz

PPA for Realtek wifi drivers

If you installed your system in UEFI mode, you must disable secureboot for modules installed by dkms after installation.

You can check installation mode with following command.

[ -d /sys/firmware/efi ] && echo "EFI" || echo "BIOS"

You can check status of secureboot with following command.

mokutil --sb-state
More info: launchpad.net/~kelebek333/+archive...
Press [ENTER] to continue or Ctrl-c to cancel adding it.

Error: retrieving gpg key timed out.

Unable to add this.