Review of Linux Compatibility
The Delock 62121 is an adapter which provides an Gigabit-Ethernet connection at an USB 3.0 port. The adapter has the USB ID 0b95:1790
Bus 009 Device 002: ID 0b95:1790 ASIX Electronics Corp.
If the adapter is not automatically recognized by the kernel when plugged in this driver has to be downloaded and compiled: http://www.asix.com.tw/FrootAttach/driver/AX88179_178A_LINUX_DRIVER_v1.3.0_SOURCE.tar.bz2
Under Ubuntu, first the kernel headers need to be installed:
apt-get install linux-headers-generic
After unpacking of the Linux driver package, the driver needs to be compiled and installed on the Linux system:
make make install