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I'd like to share my Ubuntu wired connection with a Wifi android tablet. To do that I could use the "Use as Hotspot..." function in System Settings->Network. As I can understand, android has issues with ad-hoc Hotspot function of the Network Manager, which is the default option in Hotspot. Problem is that when I change from Ad-Hoc to Infrastructure in the "options" the change is not immediate. If I stop and restart the Hotspot, a brand new config is created, even a new password, but always as Ad-Hoc. For every attempt I can see in the Network Connections a new hotspot config but I can't find a way to "reuse" the one I setup with Infrastructure option. BTW, my Wifi card can work as AP because hostapd works fine.

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this is "well-known" state that Ubuntu is not capable creating hotspot as Infrastructure. I'm just tried it myself.

It seems that there is a solution with "hostapd" daemon. Please check the following manual:

[GUIDE] Making infrastructure wifi hotspot on ubuntu 12.04/12.10

Unfortunately, for me, I've got unsupported Wifi driver. Hopefully, it will help at least you. :-|

Please see also: How to setup a wi-fi hotspot (access point mode)?

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