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Can someone please help me with a complete step by step guide to share my internet connection (which is through a USB modem by ZTE) with my iphone 3G?

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4 Answers 4

up vote 16 down vote accepted
  1. Click the network icon
  2. Select "Create wireless network"
  3. Choose a name, encryption type and password
  4. Click create
  5. Make sure you're connected to the internet.
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I believe you also have to edit the wireless connection via "edit connections" and set it to "share to other computers" or something similar. –  user6658 Sep 11 '11 at 20:20
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There is no need to edit the connection to set it to "Share to other computers". When you create a wireless connection as mentioned in this answer it will automatically share. –  Luis Alvarado Feb 23 '12 at 21:18
    
This doesn't work for me the Ad-hoc network type is necessary to connect but in connecting windows im still getting no DNS found –  tomasb Aug 5 '13 at 22:49
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Create Wireless (Ad-Hoc) Network


First make sure that your wireless network is enabled by hardware switch.
Click the network menu (located in panel, top right in Unity). Select Create New Wireless Network from the menu.

Wireless_with_password

Enter a Network name and password. You can also create a network without any password. For that change wireless security to None.

Wireless_without_password

After you click on Create, a new wireless network would be created. Note that if you were already connected with some wireless network, that connection would be disconnected.

Edit Wireless Network


In case you want to edit an earlier created network (like if you want to change the password), go to the network menu again and select Edit Connections...
Go to the Wireless tab and double click the network you want to edit.

Wireless Settings

From here, you can change the Network Name, Security Settings and passphrase. You can also modify more advanced settings like the Band and Channel, IPv4 and IPv6, MAC addresses, Basic SSID (BSSID), MTU, Automatic Connection (Creation), and the Availability of this to other users on your machine.

Delete/Disconnect Wireless Network


To disconnect a wireless network, again go to network menu. You will see your network listed under the heading Wireless Networks. Click on Disconnect option just below it. Network manager remembers all the wireless networks that you created/joined. To delete them, go to Edit Connections under network menu, choose the network and select the Delete option.

Troubleshooting/Advanced Options


Please have a look at Ubuntu Wiki.

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My save button is grayed... –  pinouchon Feb 26 '13 at 9:40
    
@pinouchon: It must be because you left some of the fields empty or incomplete. –  IgnitE Feb 26 '13 at 11:51
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If you still couldn't solve the problem, check this Tutorial How to share wired internet through wifi in Ubuntu (non Adhoc)

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If you cannot use this solution for some devices(for me android), please try these solutions:

Have fun!

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Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Braiam Oct 30 '13 at 3:57
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