Ad-Hoc Networks on the SBC - Revision history

Burley at 20:30, 16 October 2012

2012-10-16T20:30:43Z

← Older revision		Revision as of 20:30, 16 October 2012
Line 1:		Line 1:
			[[Category:Application Guides]]
	If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters to set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)		If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters to set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)

Mwbenedi at 20:27, 16 October 2012

2012-10-16T20:27:54Z

← Older revision		Revision as of 20:27, 16 October 2012
Line 1:		Line 1:
	If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters to set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)		If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters to set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)

			(You should also disable any current wireless connections you have on the SBC before you attempt to follow this guide.)

	In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.		In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.

Mwbenedi at 20:13, 16 October 2012

2012-10-16T20:13:03Z

← Older revision		Revision as of 20:13, 16 October 2012
Line 49:		Line 49:

	One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.		One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.

			You will also need to change the permissions of this file to make it an executable. You can do this by typing in:
			<div class="source">
			<syntaxhighlight lang=bash>
			chmod +x wireless
			</syntaxhighlight>
			</div>

	When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.		When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.

Burley at 19:59, 16 October 2012

2012-10-16T19:59:20Z

← Older revision		Revision as of 19:59, 16 October 2012
Line 13:		Line 13:

	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	ssh root@phidgetsbc.local		ssh root@phidgetsbc.local
	</syntaxhighlight>		</syntaxhighlight>
Line 22:		Line 22:
	Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:		Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	cd /		cd /
	</syntaxhighlight>		</syntaxhighlight>
Line 29:		Line 29:
	Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.		Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	pico wireless		pico wireless
	</syntaxhighlight>		</syntaxhighlight>
Line 36:		Line 36:
	When pico launches, you will need to copy the following lines of code.		When pico launches, you will need to copy the following lines of code.
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down
Line 52:		Line 52:
	When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.		When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	cd /etc		cd /etc
	</syntaxhighlight>		</syntaxhighlight>
Line 59:		Line 59:
	Then, start up pico again, but this time, by opening the file "rc.local".		Then, start up pico again, but this time, by opening the file "rc.local".
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	pico rc.local		pico rc.local
	</syntaxhighlight>		</syntaxhighlight>
Line 66:		Line 66:
	Finally, copy this line of code right before the "exit 0" line.		Finally, copy this line of code right before the "exit 0" line.
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	/wireless		/wireless
	</syntaxhighlight>		</syntaxhighlight>
Line 79:		Line 79:
	The nice thing about using Linux is that it's exactly the same process as before. The only difference is only in how we set up the wireless file. For your Linux based computer, the wireless file will look like this instead:		The nice thing about using Linux is that it's exactly the same process as before. The only difference is only in how we set up the wireless file. For your Linux based computer, the wireless file will look like this instead:
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down
Line 95:		Line 95:
	When you're finished, you can reboot your computer, or alternatively, run the "wireless" script from the command line by navigating to the root directory and typing:		When you're finished, you can reboot your computer, or alternatively, run the "wireless" script from the command line by navigating to the root directory and typing:
	<div class="source">		<div class="source">
	<syntaxhighlight lang=~~java~~>		<syntaxhighlight lang=bash>
	./wireless		./wireless
	</syntaxhighlight>		</syntaxhighlight>

Burley at 19:58, 16 October 2012

2012-10-16T19:58:03Z

← Older revision		Revision as of 19:58, 16 October 2012
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	You can do this by:		You can do this by:
	* logging into the SBC's web interface		* logging into the SBC's web interface
	* clicking on the "Network" tab		* clicking on the "Network" tab
	* clicking on the "Settings" tab		* clicking on the "Settings" tab
	* selecting "enabled" under "SSH Server"		* selecting "enabled" under "SSH Server"
	* clicking "Save Changes"		* clicking "Save Changes"

	When that's done, you can use SSH to log in to your SBC by typing:		When that's done, you can use SSH to log in to your SBC by typing:

Burley at 19:56, 16 October 2012

2012-10-16T19:56:38Z

← Older revision		Revision as of 19:56, 16 October 2012
Line 1:		Line 1:
	If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters ~~top~~ set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)		If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters to set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)

	In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.		In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.

Mwbenedi at 19:28, 16 October 2012

2012-10-16T19:28:16Z

← Older revision		Revision as of 19:28, 16 October 2012
Line 1:		Line 1:
	If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple.		If you ever wanted to communicate with your single board computer wirelessly and without using your home network, then you're probably going to be interested in setting up an Ad-Hoc network connection. And though we currently do not have a proper interface for doing this, the entire process is relatively simple. (Please remember that you will need two wireless adapters top set up your ad-hoc network. One adapter for your SBC and one adapter for your desktop or laptop.)

	In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.		In this example, I'm going to show you how to communicate between a computer running a Linux based operating system, such as a laptop or desktop, and the Phidgets Single Board Computer. The first thing you'll need to do is connect to your Single Board Computer via SSH. Remember that you'll need to enable the "SSH Server" on your SBC first.
Line 75:		Line 75:
	===We have now finished setting up the Ad-Hoc network on the SBC.===		===We have now finished setting up the Ad-Hoc network on the SBC.===

	The next thing we're going to do is connect our Linux based computer to the SBC via our new Ad-Hoc network. If you're not using Linux, this process is a little bit different~~, but not by much~~.		The next thing we're going to do is connect our Linux based computer to the SBC via our new Ad-Hoc network. If you're not using Linux, this process is a little bit different.

	The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:		The nice thing about using Linux is that it's exactly the same process as before. The only difference is only in how we set up the wireless file. For your Linux based computer, the wireless file will look like this instead:
	<div class="source">		<div class="source">
	<syntaxhighlight lang=java>		<syntaxhighlight lang=java>
Line 91:		Line 91:
	</div>		</div>

	Notice that the only thing I have changed is the ip address.		Notice that the only thing I have changed is the ip address. On the SBC, I used an ip address of "192.168.100.2".

			When you're finished, you can reboot your computer, or alternatively, run the "wireless" script from the command line by navigating to the root directory and typing:
			<div class="source">
			<syntaxhighlight lang=java>
			./wireless
			</syntaxhighlight>
			</div>

			After this is done, you should be able to connect to your SBC over the ad-hoc network.

Mwbenedi at 19:20, 16 October 2012

2012-10-16T19:20:51Z

← Older revision		Revision as of 19:20, 16 October 2012
Line 13:		Line 13:

	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	ssh root@phidgetsbc.local		ssh root@phidgetsbc.local
	</syntaxhighlight>		</syntaxhighlight>
Line 22:		Line 22:
	Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:		Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	cd /		cd /
	</syntaxhighlight>		</syntaxhighlight>
Line 29:		Line 29:
	Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.		Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	pico wireless		pico wireless
	</syntaxhighlight>		</syntaxhighlight>
Line 36:		Line 36:
	When pico launches, you will need to copy the following lines of code.		When pico launches, you will need to copy the following lines of code.
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down
Line 52:		Line 52:
	When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.		When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	cd /etc		cd /etc
	</syntaxhighlight>		</syntaxhighlight>
Line 59:		Line 59:
	Then, start up pico again, but this time, by opening the file "rc.local".		Then, start up pico again, but this time, by opening the file "rc.local".
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	pico rc.local		pico rc.local
	</syntaxhighlight>		</syntaxhighlight>
Line 66:		Line 66:
	Finally, copy this line of code right before the "exit 0" line.		Finally, copy this line of code right before the "exit 0" line.
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	/wireless		/wireless
	</syntaxhighlight>		</syntaxhighlight>
Line 79:		Line 79:
	The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:		The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:
	<div class="source">		<div class="source">
	<syntaxhighlight ~~line start="1"~~ lang=java>		<syntaxhighlight lang=java>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down

Mwbenedi at 19:18, 16 October 2012

2012-10-16T19:18:31Z

← Older revision		Revision as of 19:18, 16 October 2012
Line 12:		Line 12:
	When that's done, you can use SSH to log in to your SBC by typing:		When that's done, you can use SSH to log in to your SBC by typing:

	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	ssh root@phidgetsbc.local		ssh root@phidgetsbc.local
	~~----~~		</syntaxhighlight>
			</div>


	Remember, if you changed the hostname of your SBC, you'll need to enter that hostname instead of "phidgetsbc". If you prefer, and if you know what it is, you can always type in the ip address instead.		Remember, if you changed the hostname of your SBC, you'll need to enter that hostname instead of "phidgetsbc". If you prefer, and if you know what it is, you can always type in the ip address instead.

	Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:		Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	cd /		cd /
	~~----~~		</syntaxhighlight>
			</div>

	Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.		Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	pico wireless		pico wireless
	~~----~~		</syntaxhighlight>
			</div>

	When pico launches, you will need to copy the following lines of code.		When pico launches, you will need to copy the following lines of code.
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down
Line 40:		Line 45:
	ifconfig wlan0 192.168.100.2		ifconfig wlan0 192.168.100.2
	iwconfig wlan0 channel 4		iwconfig wlan0 channel 4
	~~----~~		</syntaxhighlight>
			</div>

	One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.		One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.

	When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.		When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	cd /etc		cd /etc
	~~----~~		</syntaxhighlight>
			</div>

	Then, start up pico again, but this time, by opening the file "rc.local".		Then, start up pico again, but this time, by opening the file "rc.local".
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	pico rc.local		pico rc.local
	~~----~~		</syntaxhighlight>
			</div>

	Finally, copy this line of code right before the "exit 0" line.		Finally, copy this line of code right before the "exit 0" line.
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	/wireless		/wireless
	~~----~~		</syntaxhighlight>
			</div>

	After you're done that, simply save the file with "ctrl+o" and exit with "ctrl+x", like you did before. When the file has been saved, you exit out of SSH and reboot the robot.		After you're done that, simply save the file with "ctrl+o" and exit with "ctrl+x", like you did before. When the file has been saved, you exit out of SSH and reboot the robot.
Line 66:		Line 78:

	The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:		The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:
	~~----~~		<div class="source">
			<syntaxhighlight line start="1" lang=java>
	#!/bin/sh		#!/bin/sh
	ifconfig wlan0 down		ifconfig wlan0 down
Line 75:		Line 88:
	ifconfig wlan0 192.168.100.1		ifconfig wlan0 192.168.100.1
	iwconfig wlan0 channel 4		iwconfig wlan0 channel 4
	~~----~~		</syntaxhighlight>
			</div>

	Notice that the only thing I have changed is the ip address.		Notice that the only thing I have changed is the ip address.

Mwbenedi at 19:12, 16 October 2012

2012-10-16T19:12:47Z

← Older revision		Revision as of 19:12, 16 October 2012
Line 11:		Line 11:

	When that's done, you can use SSH to log in to your SBC by typing:		When that's done, you can use SSH to log in to your SBC by typing:
	~~<div class="source">~~
			----
	ssh root@phidgetsbc.local		ssh root@phidgetsbc.local
	~~</div>~~		----



	Remember, if you changed the hostname of your SBC, you'll need to enter that hostname instead of "phidgetsbc". If you prefer, and if you know what it is, you can always type in the ip address instead.		Remember, if you changed the hostname of your SBC, you'll need to enter that hostname instead of "phidgetsbc". If you prefer, and if you know what it is, you can always type in the ip address instead.

	Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:		Once you're logged in, the next step is to navigate to the root directory. If you're not sure how to navigate to the root directory, you can do that by typing:
	~~<div class="source">~~		----
	cd /		cd /
	~~</div>~~		----

	Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.		Then, we need to create a file called "wireless". We can do this with a simple text editor such as pico.
	~~<div class="source">~~		----
	pico wireless		pico wireless
	~~</div>~~		----

	When pico launches, you will need to copy the following lines of code.		When pico launches, you will need to copy the following lines of code.
	~~<div class="source">~~		----
	#!/bin/sh		#!/bin/sh

	ifconfig wlan0 down		ifconfig wlan0 down

	iwconfig wlan0 mode ad-hoc		iwconfig wlan0 mode ad-hoc

	iwconfig wlan0 essid 'test'		iwconfig wlan0 essid 'test'

	iwconfig wlan0 key 1234567890		iwconfig wlan0 key 1234567890

	ifconfig wlan0 up		ifconfig wlan0 up

	ifconfig wlan0 192.168.100.2		ifconfig wlan0 192.168.100.2

	iwconfig wlan0 channel 4		iwconfig wlan0 channel 4
	~~</div>~~		----

	One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.		One the code is copied, you can press "ctrl+o" to save the file and "ctrl+x" to exit pico. You may notice that we're setting a lot of the specifics of our ad-hoc network in this file. If you ever want to change any of these settings, you will need to change this file.

	When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.		When this is done, you will need to edit another file. This time, we're going to edit a file that runs every time the SBC boots up. Begin by navigating to the "etc" directory from root.
	~~<div class="source">~~		----
	cd /etc		cd /etc
	~~</div>~~		----

	Then, start up pico again, but this time, by opening the file "rc.local".		Then, start up pico again, but this time, by opening the file "rc.local".
	~~<div class="source">~~		----
	pico rc.local		pico rc.local
	~~</div>~~		----

	Finally, copy this line of code right before the "exit 0" line.		Finally, copy this line of code right before the "exit 0" line.
	~~<div class="source">~~		----
	/wireless		/wireless
	~~</div>~~		----

	After you're done that, simply save the file with "ctrl+o" and exit with "ctrl+x", like you did before. When the file has been saved, you exit out of SSH and reboot the robot.		After you're done that, simply save the file with "ctrl+o" and exit with "ctrl+x", like you did before. When the file has been saved, you exit out of SSH and reboot the robot.
Line 70:		Line 66:

	The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:		The nice thing about using Linux is that it's exactly the same process as before. The only difference is how we set up the wireless file. For your Linux based computer, the wireless file will look like this:
	~~<div class="source">~~		----
	#!/bin/sh		#!/bin/sh

	ifconfig wlan0 down		ifconfig wlan0 down

	iwconfig wlan0 mode ad-hoc		iwconfig wlan0 mode ad-hoc

	iwconfig wlan0 essid 'test'		iwconfig wlan0 essid 'test'

	iwconfig wlan0 key 1234567890		iwconfig wlan0 key 1234567890

	ifconfig wlan0 up		ifconfig wlan0 up

	ifconfig wlan0 192.168.100.1		ifconfig wlan0 192.168.100.1

	iwconfig wlan0 channel 4		iwconfig wlan0 channel 4
	~~</div>~~		----

	Notice that the only thing I have changed is the ip address.		Notice that the only thing I have changed is the ip address.