Iwspy is used to set a list of addresses to monitor in a wireless network interface and to read back quality of link information for each of those. This information is the same as the one available in /proc/net/wireless : quality of the link, signal strength and noise level.This information is updated each time a new packet is received, so each address of the list adds some overhead in the driver.
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Install ndiswrapper, specifically ndiswrapper-utils-1.8
sudo apt-get install ndiswrapper-utils-1.8
Blacklist existing drivers.*
I have a Thoshiba laptop at home, I was running “Edgy Eft” (Ubuntu Linux 6.10) But one of the important things about it was its inability to connect to WPA-encrypted Wifi access points.In my home i have a WPA Enabled Wireless router so i need to connect to my wireless network using WPA.I am giving the procedure that worked for me to enable wpa in my toshiba laptop.