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I have been trying for many days to create a wifi hotspot with my laptop running ubuntu 12.04 and connect it to my windows phone7.5 based HTC Mozart. I have gone through many articles related to this, but none of them help.

I create a wifi hotspot as suggested by some experts, but it isn't detected either by my phone or on other laptops. My laptop is Sony Vaio VPCEB14EN with these specifications .

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3  
You left out the single most important part of relevant data...your wireless chipset. –  hbdgaf Jun 6 '12 at 20:07
1  
In the future please take the time to phrase your questions in a better manner. –  nikhil Jun 7 '12 at 10:27
    
@nikhil yea sure i will... but kindly answer me my query..!! –  VPCEB14EN Jun 7 '12 at 12:18
    
@aking1012 my wireless chipset is: Intel® HM55 Express Chipset with Wireless LAN Type Integrated Wireless LAN IEEE 802.11b/g/n –  VPCEB14EN Jun 7 '12 at 12:24
    
Edit your question with new information, don't just reply in the comments, it creates confusion... –  Alvar Jun 8 '12 at 23:04

3 Answers 3

You can create a wifi-hotspot like following:

Gnome-Shell:

  • Click on the little network icon, at the top panel. enter image description here

  • Select "Network Settings"

  • Select "Wireless" in the left pane. enter image description here

  • Click on the On/Off toogle on the right pane. enter image description here

  • Click on "Use as hotspot", You don't need to specify name enter image description here

That's it. A wireless wifi-hotspot is created with autocreated name and security key. The network name and security key is displayed immediately. enter image description here

See the screenshots below.

Unity:

  • Click on the network activity icon, a menu will appear like the one below. enter image description here

  • Click on "Create new wireless network...", a window will appear like thisenter image description here

  • Type in your network name and security key. enter image description here

  • Click on create button.

A network will be created with the name typed.

You can now see in your HTC phone this newly created network. There must be an option for "checking available network" or "refresh network".

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http://ubuntuforums.org/archive/index.php/t-1758347.html

Understand that its not the "gb" (which I'm assuming means "gigabytes" as in you have enough storage space on your hard drive), it's the amount of work that you'll need to do not only for your laptop that will become the Wifi connection, but on the mobile devices, too. That said, let's start (relatively) easy. We'll create a connection between your laptop and another device over the wireless interface. First, we need to find out what your wired connection settings are. To get this information, right-click on the network manager icon and select "Connection information". (NOTE: That's the connection that appears in the upper, righthand corner of your screen and is typically next to the icon for your sound and for your Evolution e-mail.) This will tell you your IP address and, more importantly, the "Route" and "Primary DNS". Note those two things (route and primary DNS). We're going to start by creating an ad-hoc network connection on your laptop. Right-click on the network manager icon and select "Edit connections". In the window that opens, select the "Wireless" tab and click on the "Add" button. Here are the values to enter in the various windows:

  • Connection Name: Whatever you want to call it, such as "My Hotspot".
  • SSID: This will be the "name" of your hotspot that others might see to connect to it.
  • Mode: Select "Adhoc"
  • Band: I suggest selecting "B/G".
  • Channel: You can either leave this as is, or choose a specific number. If you're in the US, it will have to be a number between 1 -

    1. I've found that 11 tends to work best because most people choose either the default (which is 6 normally) or 1.
  • BSSID: Leave blank.

  • Device MAC Address: Leave blank.
  • Cloned MAC Address: Leave blank.
  • MTU: Leave as "automatic".

Don't hit "Apply" yet. Select the "Wireless Security" tab and make sure it says, "None".

Now select the "IPV4 Settings" tab.

  • Method: Choose "Manual".
  • Next to "Addresses" click "Add".
  • Under the "Address" column, enter "192.168.100.1", with a netmask of "255.255.255.0".

Under "Gateway", enter the IP address you got from "Route" in your wired connection. For example, here at my house, my IP addresses are 192.168.1.x. The router (a Fios-provided router) is at 192.168.1.1. That's the IP address I would put in under "Gateway". For you, I'm assuming you have a Motorola cable modem. Put in the IP address of that (which should be the same as what you got from "Route" for your wired connection.) Under DNS servers, put the IP address you got for "Primary DNS" of your wired connection. For the secondary DNS, I always put "8.8.4.4", which is a Google public DNS server. - Leave the box checked that says, "Require IPv4 for this connection to complete".

Now click "Apply".

Now,LEFT-click on your network manager icon and select "Connect to Hidden Wireless Network". Next to where it says "Connection", click on the drop-down menu and you should see the name of the connection you just created. Select it and then click on "Connect".

At this point, your laptop can be become part of an ad hoc network. You should see the network manager begin flickering, then it should announce "My HotSpot connection established" (or whatever you named your wireless connection).

Leave it up for a minute or two, then see if any of your other wireless devices can "see" it when looking for available wireless connections.

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@Alvar I have created the wireless as suggested by you.But it is not visible in my phone.Can u suggest me any other idea. –  VPCEB14EN Jun 11 '12 at 19:34
    
@VPCEB14EN I haven't done anything. What are you refereeing to? I just edited the answer. –  Alvar Jun 11 '12 at 22:30
    
Dave: @VPCEB14EN can't get your answer to work, can you help him further? –  Alvar Jun 11 '12 at 22:30

Here is a link for those who created a network but their phone doesn't recognizes it: Click here and get it working

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your link may provide the answer but please place part of your answer here . –  AgentCool Sep 23 '12 at 2:57

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