Realtek r815x USB 3.0 Ethernet adapter on Linux


So if you’re using Ubuntu 14.04 (and derivatives) and you are having trouble using an RTL815x based USB ethernet adapter, like connection being dropped after a while, or the interface simply refusing DHCP, please make sure that you’re using the latest available kernel for your distro. To check:

ikhsan@SlaveE:~$ uname -r
3.13.0-37-generic

If you’re using Ubuntu, or other distro with 3.13.x, please upgrade your kernel. The newest kernel available at the time of writing for Ubuntu 14.04 is the 3.16.6x, and to get it, simply do

ikhsan@SlaveE:~$ sudo apt-get dist-upgrade

Reboot, and make sure you’re using the newest kernel

ikhsan@SlaveE:~$ uname -r
3.16.6-031606-generic

Voila!

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