Stephen M @ 2017-04-08 18:58 GMT:

> I get this message when trying,
>
> stephend@stephend-desktop:~/Downloads/rtl8188eu$ sudo modprobe 8188eu.ko
> [sudo] password for stephend:
> modprobe: FATAL: Module 8188eu.ko not found.
> stephend@stephend-desktop:~/Downloads/rtl8188eu$
>
> Now I'm assuming I need to move the driver but do a move the entire folder
> or just the script itself to the usr/lib folder?
>
> On Sat, Apr 8, 2017 at 11:40 AM, Jerry Snitselaar <dev@snitselaar.org>
> wrote:
>

When using modprobe drop the .ko off the name. Is it named 8188eu.ko or
r8188eu.ko ? Whichever it is, copy it to /lib/modules/`uname -r`/extra
and then run 'depmod -a'. once that is done you should be able to do
'modprobe r8188eu' or whatever the name is, and have it load.

>>
>> Stephen M @ 2017-04-08 15:56 GMT:
>>
>> > The driver is rtl8188eu for a TL-WN725N wifi adapter
>> >
>>
>>  Ah, that has been sitting in drivers/staging for a long time.
>>
>>  Does your modprobe work now?
>>
>>  An example on Fedora 25 with a test module:
>>
>>  ~/mymod> sudo modprobe mymod
>>  modprobe: FATAL: Module mymod not found in directory
>> /lib/modules/4.10.5-200.fc25.x86_64
>>  ~/mymod> make
>>  make -C /lib/modules/4.10.5-200.fc25.x86_64/build M=/home/jsnitsel/mymod
>> modules
>>  make[1]: Entering directory '/usr/src/kernels/4.10.5-200.fc25.x86_64'
>>    CC [M]  /home/jsnitsel/mymod/mymod.o
>>    Building modules, stage 2.
>>    MODPOST 1 modules
>>    CC      /home/jsnitsel/mymod/mymod.mod.o
>>    LD [M]  /home/jsnitsel/mymod/mymod.ko
>>  make[1]: Leaving directory '/usr/src/kernels/4.10.5-200.fc25.x86_64'
>>  xz --check=crc32 --lzma2=dict=512KiB mymod.ko
>>  ~/mymod> ls
>>  Makefile  modules.order  Module.symvers  mymod.c  mymod.ko.xz
>> mymod.mod.c  mymod.mod.o  mymod.o
>>  ~/mymod> sudo cp mymod.ko.xz /lib/modules/`uname -r`/extra/
>>  ~/mymod> sudo depmod -a
>>  ~/mymod> sudo modprobe mymod
>>  ~/mymod> lsmod | grep mymod
>>  mymod                  16384  0
>>  ~/mymod> dmesg | tail -1
>>  [344910.989060] loading mymod
>>
>>
>> > On Fri, Apr 7, 2017 at 10:32 PM, Jerry Snitselaar <dev@snitselaar.org>
>> > wrote:
>> >
>> >>
>> >> Stephen M @ 2017-04-08 00:55 GMT:
>> >>
>> >> > Hi everyone,
>> >> >
>> >> > This seems really dumb but I have a wifi adapter from TP-Link on a
>> Ubuntu
>> >> > 14.04 machine that disconnects after reboot or a system update.  I
>> keep
>> >> > typing insmod to get it to turn back on.  I know I need to do modprobe
>> >> but
>> >> > it can't find the file.
>> >> >
>> >> > I downloaded the driver from their site, unzipped it in my download
>> >> folder
>> >> > though I think I need to move it.  Any help would be grateful.
>> >>
>> >> modprobe can't load it because it knows nothing about the driver.
>> >>
>> >> Try:
>> >>
>> >> sudo cp *downloaded-module* /lib/modules/`uname -r`/extra/
>> >> sudo depmod -a
>> >>
>> >> You will still run into the issue each time a new kernel is installed,
>> >> and since the driver isn't tied to the kernel you are running there can
>> >> be incompatibilities that cause issues. if you do run into issues with
>> >> it, you can blacklist it on the kernel parameters line when booting.
>> >> 'module_blacklist=module_name' should work.
>> >>
>> >> What driver is it using?
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