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I have Ubuntu 13.10 and I created a wireless hot spot using the network setting option and also tried to setup using AP-hotspot.

The problem is the one setup using network setting is not showing in my phone (Android 4.0) and when I start AP-hotspot it says already a process is running and if I stop and try to start again it says another process already running again.

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  • Could you tell us step by step what you did?
    – Braiam
    Feb 24, 2014 at 17:26
  • Does this work for you askubuntu.com/a/71976/59090
    – kapad
    Mar 2, 2014 at 14:56
  • Your question also maybe a duplicate of the above question. There is a known issue when trying to connect and Android phone to a ad-hoc network.
    – kapad
    Mar 2, 2014 at 14:57

3 Answers 3

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when I start AP-hot spot it says already a process is running and if I stop and try to start again it says another process already running again

Your command prompt should look like this,

$ sudo ap-hotspot start
Another process is already running
$ sudo ap-hotspot stop
Wireless Hotspot is not active

In this case whatever command you try, won't work. It would display the same error like above.

For this you have to remove hotspot.pid file present inside /tmp directory. So that only it would work.

sudo rm /tmp/hotspot.pid

And then try to start ap-hotspot by running,

sudo ap-hotspot start

To stop,

sudo ap-hotspot stop

To configure,

sudo ap-hotspot configure
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Last time I needed to share the internet connection on a laptop with an Android mobile phone, I encountered similar issues: your Android may or may not recognize an Ad-Hoc network.

In the end I managed to create a hotspot Access Point using wifi-hostapd-ap, a GUI to create WiFi access point based on Hostapd. I had to disable DNS in NetworkManager to avoid wifi-hostapd-ap crashing, though.

See also:

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Install iw & execute following:

iw list

Look for supported interface section

Supported interface modes:
     * IBSS
     * managed
     * AP
     * AP/VLAN
     * monitor

If you have AP you're good.

Then follow this guide.

I have been through the pains of setting up Hotspot on an unsupported card.

Hope this helps.

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