Enabling RealTek USB Wireless Driver for Ubuntu 10.10.
sudo mkdir /lib/firmware/RTL8192SU
sudo cp /lib/firmware/RTL8192SE/* /lib/firmware/RTL8192SU
wget http://launchpadlibrarian.net/37387612/rtl8192sfw.bin.gz
gunzip rtl8192sfw.bin.gz
sudo mv rtl8192sfw.bin /lib/firmware/RTL8192SU/
sudo rmmod -f r8192s_usb
sudo modprobe r8192s_usb