1. Identify the internet card
With the command LSUSB, you can continue down if you can identify it.
2. Install the NIC driver
The Internet card will usually have 2 functions, one is a virtual CD-ROM, used to install the driver, and the other is a network connection modem.
Under Linux, it is necessary to install the Usb-modeswitch driver to correctly identify and start the modem function of the NIC.
sudo apt-get install Usb-modeswitch usb-modeswitch-data
3. Install Dial-up software
There are many dialing software under Linux xvdial, Sakis, etc., we choose Sakis
sudo wget http://www/sakis3g.org/versions/latest/armv4t/sakis3g.gz
sudo gunzip sakis3g.gz
sudo chmod +x sakis3g
4. Configure Internet Files
Next we need to configure the Internet card according to the network of different operators.
sudo nano/etc/ppp/options #打开ppp协议文件, insert the following command at the end of the file:
Ipcp-max-failure 1000000000
Persist
5. Start the software and connect to the Internet
sudo./sakis3g--nostorage--noprobe--interactive
Click "Connect with 3g" on the window.
./SAKIS3G Connect Info #查看3g网络连接情况!
Excerpt from: http://blog.csdn.net/huayucong/article/details/51706307
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