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Thread: A work-around for usb wifi/3G adapters without Linux drivers

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i have found work-around using dongles without linux support, linksys ae2500, or telephone company dongles 3g connectivity. work-around uses oracle virtualbox, windows guest system, , herein lies rub: may overkill if install virtualbox sole purpose. in case have installed (my thesis advisor bought windows-license software package whole lab uses), , it's snap setup.

work-around involves getting adapter work on windows, , making accessible users of host-only network. assume have windows installed guest os on oracle's virtualbox running under ubuntu (11.10, in case). if don't, not sure it's worth hassle this.

1) start-up oracle virtualbox, on top bar of screen, not of oracle gui that's appeared, check
file->preferences; click on network. add host-only network
clicking on plus sign (a new network called vbox0net appear), click on settings (the screwdriver);

2) configure host-only network follows:

adapter 192.168.137.101

go dhcp server page , change following settings:

server 192.168.137.100
lower bound 192.168.137.1
upper bound 192.168.137.99

[this choice of network, 192.168.137.xxx, may appear arbitrary, isn't: when share connection within windows, os automatically sets 192.168.137.xxx network, warning of possible connectivity losses other pcs. choosing ip range 192.168.137.xxx void danger, must allow fact windows take ip 192.168.137.1, voboxnet0 reserve ubuntu machine. choice suggested above takes account of this.]

3) can start windows virtual machine. @ point can check, using ipconfig/ifconfig , ping, host , guest can talk each other.

4) may connect windows machine means of usb adapter, wifi or 3g antenna.

5) when done, in windows, open connection center, click on modify nic properties, select card thru connected internet, click on right button, select properties, sharing. select top choice (share connection other computers), , then, in drop-down menu, select lan network. click on settings, , select boxes appear. save , leave windows.

6) in ubuntu, since connection has not been set thru network-manager, need tell machine how reach internet. first, add static route thru windows guest,

sudo route add -net 0.0.0.0/0 gw 192.168.137.1

, add dns servers editing /etc/resolv.conf

sudo vi /etc/resolv.conf

, adding these 2 lines @ bottom of (presumably empty) file:
nameserver 8.8.4.4
nameserver 8.8.8.8

7) restart networking
sudo /etc/init.d/networking restart

, you're go. hope useful someone.



Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Networking & Wireless [ubuntu] A work-around for usb wifi/3G adapters without Linux drivers


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