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Ubuntu comes with default easy network manager to connect to a wireless access point. This article made according with following situation:

• Distribution: Ubuntu Linux 10.04 LTS Lucid Lynx
• IP Address: static
• Wireless security: WPA/WPA2 with Mac address filtering (our wireless card mac address have been registered)
• Desktop: Gnome 2.30.0

Here are how to setup the wireless card:

1. Point to wifi icon tray then click once, if wireless card working properly it will detect one or more ssid from access point.
   
   

   detecting SSID

2. Right click that icon then select Edit Connection.
   

   edit connection

3. Move to Wireless tab. We have no got some SSID in the list, actually we can add it manually but I will show another easy way. So, just close Network Connection window for this time.
   

   no SSID

4. Similar to step #1, select to our SSID target.
   

   select SSID

5. Input security key (ask your network administrator about it) then connect.
   

   input security key

6. Wireless tray icon will animate when trying to get connected.
   

   connecting

7. Similar to step #1 and #4, select Disconnect, because we want to assign static IP address.
   

   disconnect

8. Repeat step #2.
9. Similar to step #3, now we have one SSID in the list. Select it then click Edit button.
   

   edit SSID

10. Go to IPv4 Settings tab, choose Manual in Method drop-down list. We also can change Connection name as we want.
    

    change connection name and method

11. Input IP address, netmask, gateway, and DNS servers (once again: ask your network administrator about it) then Apply.
    

    input IP address

12. Repeate step #4 and now we can get connected to wireless access point.

Thanks for reading .