Install TP-Link TL-WN721N in Ubuntu 10.04

After the successful installation of the OS on netbooks windows dominance shifts favorite, finally hit one problem that is wireless USB TP-LINK TL-WN721N could not be detected automatically by ubuntu!
But after trying a few references googling finally managed to end the installation process so that original wireless NDE is now active again.
Here are step by step installation of TP-Link TL-WN721N on ubuntu 10.04

A. Download wireless driver with the name of the file compat-wireless-2.6.38.2-2.tar.bz2

2. Ekstark with the command
$ Tar xvjf compat-wireless-2.6.38.2-2.tar.bz2

3. go to the directory:
$ Cd compat-wireless-2.6.38.2-2

4. Type the following command:
$. / Scripts / driver-select ath9k_htc

5. Do the following commands:
$ make
$ Make install

6. Download firmware for TP-Link Wireless
http://wireless.kernel.org/download/htc_fw/1.3/htc_9271.fw

7. copy the file to the directory / lib / firmware
Htc_9271.fw $ sudo cp / lib / firmware

8. Reload the driver has been installed
$ Sudo modprobe ath9k_htc

9. Reboot the system and plugs TP-Link wireless check nperintah premises:
$ iwconfig

the result:

wlan1 IEEE 802.11bgn ESSID: "tumbila"
Mode: Managed Frequency: 2412 GHz Access Point: 00:02:6 F: 6A: 7C: 4B
Bit Rate = 1 Mb / s Tx-Power = 20 dBm
Long retry limit: 7 RTS thr: off Fragment thr: off
Power Management: off
Link Quality = 43/70 Signal level = -67 dBm
Rx invalid nwid: 0 Rx invalid crypt: 0 Rx invalid frag: 0
Tx excessive retries: 0 Invalid misc: 187 Missed beacon: 0