git clone https://github.com/cilynx/rtl88x2bu.git
  cd rtl88x2bu
  # VER=$(sed -n 's/\PACKAGE_VERSION="\(.*\)"//p' dkms.conf)
  # check the dkms.conf in repo
  VER="5.8.7.1"
  sudo rsync -rvhP ./ /usr/src/rtl88x2bu-${VER}
  sudo dkms add -m rtl88x2bu -v ${VER}
  sudo dkms build -m rtl88x2bu -v ${VER}
  sudo dkms install -m rtl88x2bu -v ${VER}
  sudo modprobe 88x2bu