I am using sakis3g to connect to a 3g modem. will explain each step in detail. URL to download the tar file: Click here to download once you have downloaded the file please follow the steps below to : sudo mkdir /usr/bin/modem3g sudo chmod 777 /usr/bin/modem3g sudo cp ~/Downloads/sakis3g.tar.gz /usr/bin/modem3g cd /usr/bin/modem3g sudo tar -zxvf … Continue reading Connecting to 3G usb modem in ubuntu.