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I've googled it and I've found mostly tutorials on sharing when having 2 ethernet ports. I am in a hotel with only wired connection (eth0). I would like to use my wifi card to share my connection with other computers and be able to switch the wifi back to its normal status so I can use it outside the hotel.

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migrated from Jul 29 '10 at 13:01

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up vote 5 down vote accepted

Here is a page documenting setting up an ad-hoc access point.

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You should set up IP routing. See my answer to a similar question.

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