since I upgraded to 17.10 my usb wifi ANEWKODI (Realtek) doesn't work anymore

I tried this:

and get this:

geoffrey@geoffrey-H110M-S2H:~/rtl8812AU$ make CC=/usr/bin/gcc-5 make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/4.13.0-16-generic/build M=/home/geoffrey/rtl8812AU modules make[1]: Entering directory '/usr/src/linux-headers-4.13.0-16-generic' CC [M] /home/geoffrey/rtl8812AU/core/rtw_cmd.o In file included from /home/geoffrey/rtl8812AU/include/drv_types.h:32:0, from /home/geoffrey/rtl8812AU/core/rtw_cmd.c:22: /home/geoffrey/rtl8812AU/include/osdep_service.h: In function ‘thread_enter’: /home/geoffrey/rtl8812AU/include/osdep_service.h:343:2: error: implicit declaration of function ‘allow_signal’ [-Werror=implicit-function-declaration] allow_signal(SIGTERM); ^ /home/geoffrey/rtl8812AU/include/osdep_service.h: In function ‘flush_signals_thread’: /home/geoffrey/rtl8812AU/include/osdep_service.h:353:6: error: implicit declaration of function ‘signal_pending’ [-Werror=implicit-function-declaration] if (signal_pending (current)) ^ /home/geoffrey/rtl8812AU/include/osdep_service.h:355:3: error: implicit declaration of function ‘flush_signals’ [-Werror=implicit-function-declaration] flush_signals(current); ^ cc1: some warnings being treated as errors scripts/Makefile.build:302: recipe for target '/home/geoffrey/rtl8812AU/core/rtw_cmd.o' failed make[2]: *** [/home/geoffrey/rtl8812AU/core/rtw_cmd.o] Error 1 Makefile:1546: recipe for target '_module_/home/geoffrey/rtl8812AU' failed make[1]: *** [_module_/home/geoffrey/rtl8812AU] Error 2 make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-16-generic' Makefile:1576: recipe for target 'modules' failed make: *** [modules] Error 2 geoffrey@geoffrey-H110M-S2H:~/rtl8812AU$ sudo make install install -p -m 644 8812au.ko /lib/modules/4.13.0-16-generic/kernel/drivers/net/wireless/ install: cannot stat '8812au.ko': No such file or directory Makefile:1582: recipe for target 'install' failed make: *** [install] Error 1 

This worked correctly on 17.04

any ideas?

2 Answers

I spent all morning searching through the net and have managed to fix my problem. I'm not sure exactly what fixed it yet as i tried a lot of things. What I didn't do was reboot after each modification. I'll try to sift through to find the explanation, but at least I can say that the ANEWKODI (Realtek) USB Wifi key works with Ubuntu 17.10

I had a similar issue: I have an Anekwodi 600Mbps Dual Band Wifi Adapter and it did not have a driver in Ubuntu 18.10. To enable the adapter, I used the following commands to install the driver (as described here and here):

wget unzip master.zip cd rtl8812au-master/ make sudo insmod 8812au.ko 

Note: This required installing the package libelf-dev with the following command:

sudo apt-get install libelf-dev