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I have installed Ubuntu Mate 16.04 on a Raspberry Pi 2. I installed a TL-WN823N USB wireless USB device, however, unlike what I read on the internet about this device and ubuntu, it is in no way detected.

dmesg tells me its placed at device number 5, that its idVendor 2357 and idProduct 0109. Also; its Realtek.

lsusb lists the device as 2357:0109 - and thats all (no text / titles).

lsmod shows nothing wireless related

iw-config shows only lo - no wireless connection

It seems the device, in no way, is detected for what it is and no drivers are used. The drivers I can find help for, is x86 based, not arm. Any help is really appreciated.

Edit: this is raspberry pi specific. the possible duplicate points to precompiled binaries for x86. Does not necessarily answer this ubuntu+raspberry pi question.

Mads Soransen
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    Possible duplicate of [TP-LINK TL-WN823N Unable to connect to network](http://askubuntu.com/questions/813443/tp-link-tl-wn823n-unable-to-connect-to-network) – Pilot6 Sep 03 '16 at 20:38
  • @Pilot6 will your driver build for ARM? – chili555 Sep 03 '16 at 20:39
  • MrEngman @ raspberrypi.org has drivers compiled for ARM. – Mads Soransen Sep 03 '16 at 20:45
  • @chili555 It is a source package. If it is ARM, it probably some configs need to be changed. – Pilot6 Sep 03 '16 at 20:55
  • The driver has settings for ARM, CONFIG_PLATFORM should be changed. I did not test if something else needs to be done. But it is not hard to port the patch if needed. – Pilot6 Sep 03 '16 at 20:58

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For everyone else, after sitting with this problem several hours and FINALLY deciding to ask a question, I find the answer a few minutes later.. go figure.

Its here: https://www.raspberrypi.org/forums/viewtopic.php?t=148389&p=1028428

follow the debian process, it works just fine for ubuntu mate. after this, just go into networks, add a network - pick the new device that its found. This doesn't fix lsusb, but everything else shows the correct stuff :-)

Have fun.

Mads Soransen
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