Connecting a 3G usb modem to the Internet using wvdial
This might not work with every 3G usb modem on earth!
This is the command line way. There are graphical ways too.
If you have trouble connecting, try installing usb-modeswitch package.
/etc/wvdial.conf example:
[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = Analog Modem
ISDN = 0
Modem = /dev/ttyUSB2
Baud = 9600
Phone = *99#
Username = " "
Password = " "
Stupid Mode = 1
Baud = 460800
Init3 = AT+CGDCONT=1,"IP","YOUR APN HERE"