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Newbie here. I am trying to use share my 3g mobile internet connection but don't know how to do this. Any working ideas on how to do this?

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Just turn on tethering option on your mobile.And then connect your pc with the mobile via wifi. – Avinash Raj Mar 8 '14 at 9:36

In short the steps are:

  • Verify: WIFI card can support "master mode" or act as an Access Point.
  • Install: You will need hostapd, isc-dhcp-server, firestarter.
  • Config: Do some configuration edits on those packages.
  • Script: Run a script that starts everything.
  • Firewall: Start firestarter to connect the Wifi Access Point to the 3G data card.
  • Trouble Shooting: Extra info if you are stuck
  • Starting/Stopping: How to start and stop once it works

More details and how to configure can be found here

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