I've tried dkms-installing the driver for 8821AU, version 4.3.20, and everything ran successfully.
dkms status returns
rtl8821AU, 4.3.20, 4.15.0-29-generic, x86_64: installed
but modprobe rtl8821AU gives
modprobe: FATAL: Module 8821AU not found in directory /lib/modules/4.15.0-29-generic
I've tried dkms-installing the driver for 8821AU, version 4.3.20, and everything ran successfully.
dkms status
returnsrtl8821AU, 4.3.20, 4.15.0-29-generic, x86_64: installed
butmodprobe rtl8821AU
givesmodprobe: FATAL: Module 8821AU not found in directory /lib/modules/4.15.0-29-generic
any idea what could've gone wrong?