echo "options rtl8xxxu add_loopback=1" | sudo tee /etc/modprobe.d/rtl8xxxu.conf sudo modprobe rtl8xxxu
The Realtek 8188GU Wireless LAN 802.11n USB adapter comes with several key features that make it a popular choice among users: realtek 8188gu wireless lan 802.11n usb driver
ip link show | grep wl # Interface appears as wlanX or wlx* iw dev wlan0 info dmesg | grep -i 8188gu realtek 8188gu wireless lan 802.11n usb driver