ubuntu 14.04 - Replace Realtek r8168 network card to enable wake-on-lan

http://www.realtek.com/downloads/downloadsView.aspx?Langid=1&PNid=5&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false#RTL8111B/RTL8168B/RTL8111/RTL8168
RTL8111C/RTL8111CP/RTL8111D(L)
RTL8168C/RTL8111DP/RTL8111E
RTL8168E/RTL8111F/RTL8411
RTL8111G/RTL8111GUS/RTL8411B(N)
RTL8118AS

:~/Downloads/r8168-8.040.00$ sudo ./autorun.sh
[sudo] password for johny:

Check old driver and unload it.
rmmod r8169
Build the module and install
Can't read private key
Backup r8169.ko
rename r8169.ko to r8169.bak
DEPMOD 3.19.0-33-generic
load module r8168
Updating initramfs. Please wait.
update-initramfs: Generating /boot/initrd.img-3.19.0-33-generic
Completed.