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ALFA-­AWUS036H & ALFA-­AWUS050NH INSTALLING/UPDATING DRIVERS RTL8187, r8187, RT2800usb on UBUNTU

NOTE: For surfing Internet with ALFA-AWUS050NH on Ubuntu Jaunty with rt2870sta driver, you must use the Kernel "2.6.28-11-generic #42-Ubuntu", without change or updates the drivers modules.
NOTE: The tutorial is not related to Ubuntu karmic.

Driver RTL8187/Stacks-­mac80211 (ref. ALFA-­AWUS036h)
­- These drivers, for surfing Internet, are more stable than r8187, and fully compatible with Network-Manager 0.7 installed by default on Ubuntu 9.04. Network-Manager 0.7 installed by default on Ubuntu 9.04.
­- Supports all encryption without problems. (OPEN, WEP and WPA/WPA2)
­- With Compat-Wireless, the "injection" working, but for support “Fragmentation attack” (opt. -5) you need to install one patch.
- The RX sensitivity and packets injection is less, related to drivers r8187.

Driver r8187/Stacks-ieee80211 (ref. ALFA-AWUS036h)
- This driver is recommended for use with the Suite of Aircrack-ng, but not particularly suitable for Internet connections, as less stable and discontinuous at regular intervals.
- The r8187 is compatible with Network-Manager 0.7, installed by default on Ubuntu 9.04, and supporting the encryption OPEN and WEP (not WPA/WPA2)
- To establish links with WPA/WPA2 encryption, require a manual setup.
- The "injection" and all "attacks" of Aireplay-ng, are supported after installing the appropriate "patch".
(for other info read the Wiki: http://aircrack-ng.org/doku.php?id=r8187)

Driver RT2800/Stacks-mac80211 with Kernel 2.6.28-11-generic (ref. ALFA-AWUS050NH)
­­- With Compat-­Wireless, the "injection" and all "attacks" of Aireplay-ng, are already supported natively without installing any "patch".
­- Compatible with "Macchanger".
- The RX sensitivity and packets injection is less, related to ALFA-AWUS036H.
- Do not allow surfing Internet (possible with the driver RT2870sta or the new RT3070sta)

Update your OS and install these packages before continuing

Code:
sudo dpkg --configure -a && sudo apt-get install -f && sudo apt-get updateCode:
sudo apt-get install linux-headers-$(uname -r) build-essential make patch gettext gcc python-psyco autoconf subversion tcl8.5 libssl-dev libnl1 libnl-dev
Upgrading the package "IW" (suggested for both models of ALFA card)

Code:
sudo mkdir /usr/src/drivers
cd /usr/src/drivers
sudo wget http://wireless.kernel.org/download/iw/iw-0.9.19.tar.bz2
sudo tar jxvf iw-0.9.19.tar.bz2
cd iw-0.9.19
sudo make
sudo make install
Step ONLY for ALFA-AWUS050NH and If NOT present the RT2870 Firmware.
(not necessary on Jaunty because is already installed)
For check Firmware:

Code:
jano:~$ ls -l /lib/firmware/rt2870.bin
-rw-r--r-- 1 root root 4096 2009-04-02 23:46 /lib/firmware/rt2870.bin
For Installing Firmware:

Code:
sudo mkdir /usr/src/drivers
cd /usr/src/drivers
sudo wget http://www.jano.netsons.org/wardriving/driver-patch/RT2870_Firmware_V8.zip
sudo unzip RT2870_Firmware_V8.zip
sudo cp RT2870_Firmware_V8/rt2870.bin /lib/firmware/$(uname -r)

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