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On my Ubuntu 14.04.2 LTS network-manager isn't installed yet. Without this program I can't connect to WiFi network. But I can't install this package from Ubuntu without network connection. Here is my question. How to install this offline? or How to install from another computer?

R.D.O
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1 Answers1

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You can connect to WiFi without network-manager (even though it should have been installed by default). Open a terminal and run:

sudo iwconfig

There will be some output like lo, eth0, wlan0. The one we want is wlan. Take note of its name (probably wlan0).

sudo nano /etc/network/interfaces

Go to the end of the file and create a new line. Write the following:

auto wlan0

Replacing wlan0 with what you found back there. In new lines:

iface wlan0 inet dhcp

wpa-ssid SSID

Replacing SSID with the name of your WiFi connection.

wpa-psk password

Replacing password with your WiFi network's password.

Hit Ctrl+O then Enter to save and Ctrl+X to exit. In the terminal, run:

sudo ifup wlan0

And you should be connected. You can now install network-manager and anything you want. Remember to remove everything you wrote from /etc/network/interfaces before using network-manager otherwise it won't work.

Eduardo Cola
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