Installing alx Module for Atheros Ethernet Card in Kernel 3.8.x

Just try to write my own note here for my future reference, but I think it won't be useful if I keep it myself. I realized that after upgrading the kernel to version 3.8.8, I can't found my ethernet card detected. Even if I have broadcom wifi installed and already set up wifi network at home, ethernet card sometimes required when I need to visit my client's office where wifi network is unavailable. As usual, after googling for a while, I found that kernel.org host backport driver. you can found it here https://www.kernel.org/pub/linux/kernel/projects/backports/2013/03/28/compat-drivers-2013-03-28-5-u.tar.bz2. Just browse parent directory to find the [...]