[ubuntu] Connecting to wireless network (Ubuntu Server 12)

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http://ubuntuforums.org – Hi guys, I'm a linux newbie, trying to set up a server with a wireless connection. I'm using Ubuntu Server 12. I installed the driver for my DELL1450 wireless stuff with ndiswrapper and it works. Actually, I worked with the wireless yesterday and it worked. After that, I took my laptop to another place, and there it didn't work! I did a whole lot of things to try to get it working. In the end, I needed to change the /etc/network/interfaces file with the new essid and key. Now, at home again, I changed that file to the right values, but I just can't get the wireless working. Using the same h (Hardware)