UbuntuHelp:Router/Madwifi
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~+This guide is only applicable for server installations of Ubuntu. If you are running a desktop installation of Ubuntu, try UbuntuHelp:WifiDocs/Driver/Madwifi and the MadWifi wiki for more information.+~
Checking For Atheros Chipsets
First, verify that your wireless network adapter requires the madwifi device drivers.
Issue the following command:
sudo lspci | grep Atheros
If there is any output similar to that below, you should definitely install madwifi.
00:0e.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
If there is no output, try looking through [1] to see if your network adapter is supported.
Installation
Navigate to [2] and download and extract the latest version of the madwifi drivers (0.9.3.1 at the time of this writing)
wget http://umn.dl.sourceforge.net/sourceforge/madwifi/madwifi-0.9.3.1.tar.gz tar -xvzf madwifi-0.9.3.1.tar.gz cd madwifi-0.9.3.1
Download the necessary tools, compile and install the module
sudo apt-get install build-essential linux-headers-server make sudo make install
NOTE: If you are plan on using this wireless network adapter in "master" mode (i. e. for the purposes of setting up a wireless router), create the file `/etc/modprobe.d/madwifi` and add the following to it:
options ath_pci autocreate=ap
This will tell madwifi to set your wireless device (ath0) to master mode.
Finally, load the module
sudo modprobe ath_pci
