1. Use ifup/ifdown scripts to enable/disable the the checking depending on the network connection.

2. Use rob1n's method, except use sed to put a '#' infront of everyline.

3. Jedi's solution.


Personally I would opt for Jedi's solution, it is the easiest/most foolproof to implement.

Just accept that maybe once a month you should check for updates with HAM, hell even put a reminder in the calender if it matters that much. Frankly, updates are pretty rare and people useually talk on the forum if there are any. Further more this mitigates the daily PITA that is that stupid update check.