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Old 05-16-2012, 12:55 AM   #1
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Ubuntu server 12.04 wireless network card problems

Im very new to ubuntu linux here, what im trying to do is install ubuntu server on another pc i have here to share files. the installation goes well until i get to network configuration. when it gets to the point of searching for wireless networks it cant find any wireless network. i can skip this point and the installation will finish fine but i am still unable too connect to my wireless network.

any help would be great....thanks
Old 05-16-2012, 02:05 AM   #2
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you will need to specify your wireless card model. You can get that by issuing lspci or lsusb in terminal. Than you can also try to google your problem.

4 ways to get wifi working on linux
Old 05-16-2012, 10:34 AM   #3
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these commands are to help us to know what your system thinks is installed (not necessarily to get you connected).
lspci # will tell us the pci devices you have in your system.
lsusb # will tell us the usb devices you have in your system.
ifconfig # will tell us what network interface cards you have turned on in your system.
ifconfig -a # will tell us all the network interface cards you have in your system.
iwconfig # will tell us which of your network interface cards has wireless capability
now that we know that, this should get you connected:
sudo iwlist device scan # this will use the device interface (that from the above command, we found out has wireless capability) and scan for wireless routers that are accessible.
sudo iwconfig device essid "myssid" # assuming no security, use that device to connect to your router.
sudo dhclient # will attempt to get ip-address, subnet mask, dns server information automatically from your router assuming dhcp is turned on on your router.
also, please post the contents of cat /etc/network/interfaces
and /etc/resolv.conf should contain your dns server.
depending on if ifconfig returns the name of your device, you mite need to turn it on by doing something like: sudo ifconfig device up
you can also run lsmod to see if the wireless driver module is plugged-in.
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