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	<title>Gordon Turner &#187; geek</title>
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	<link>http://blog.gordonturner.ca</link>
	<description>A waste of bandwidth</description>
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		<title>Wireshark</title>
		<link>http://blog.gordonturner.ca/2010/04/21/wireshark/</link>
		<comments>http://blog.gordonturner.ca/2010/04/21/wireshark/#comments</comments>
		<pubDate>Wed, 21 Apr 2010 17:20:59 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[howto]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=316</guid>
		<description><![CDATA[Technical difficulty 4 You should know what http means and how to play a flv file. Wireshark is my new Toy. Let me tell you why. Ever try to save a Youtube video? Save a streamed song or lecture? In Canada, both actions usually are protected as long as it is for private or personal [...]]]></description>
			<content:encoded><![CDATA[<p><strong>Technical difficulty 4</strong> You should know what http means and how to play a flv file.</p>
<p>Wireshark is my new Toy.  Let me tell you why.</p>
<p><strong>Ever try to save a Youtube video?</strong></p>
<p><strong>Save a streamed song or lecture?</strong></p>
<p>In Canada, both actions usually are protected as long as it is for private or personal use.  Practically, saving flash embedded content is a pain.</p>
<p><strong>Aside</strong> It is possible to examine the browser cache directory or install plugins to intercept the embedded content.  If that works for you great.</p>
<p><strong>That is where Wireshark comes in.</strong>  It is a cross platform network protocol analyzer based on Ethereal.  </p>
<p><strong>What does that really mean?</strong>   Well it lets you examine the traffic coming into your computer, including the embedded content.</p>
<p>First grab Wireshark here: <a href="http://www.wireshark.org/">http://www.wireshark.org/</a></p>
<p>Next, install it and fire it up.</p>
<p>The following are instructions for capturing video from Youtube:</p>
<ol>
<li>Start capture on network card.</li>
<li>Navigate to youtube video page, wait for video to completely load into the cache.</li>
<li>Stop caputure on the network card.</li>
<li>In the &#8216;Filter:&#8217;, paste &#8216;frame.len == 1434&#8242;, this should match the length of the segments of the video as it was downloading.</li>
<li>Right click on one of the segments and click on &#8216;Follow TCP Stream&#8217;.</li>
<li>This will assemble the TCP stream of the video with the headers.</li>
<li>Click on the &#8216;Save As&#8217; and save locally.</li>
<li>Open a editor, like textpad and strip all the headers out of the top of the file.</li>
<li>Test it in a player like vlc.</li>
</ol>
<p>Similar steps are required for flash files.</p>
<p><strong>For more details see my <a href="http://confluence.gordonturner.ca/display/NOTES/Wireshark">Wireshark notes</a>.</strong></p>
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		<title>Breaking radio silence</title>
		<link>http://blog.gordonturner.ca/2010/04/05/breaking-radio-silence-2/</link>
		<comments>http://blog.gordonturner.ca/2010/04/05/breaking-radio-silence-2/#comments</comments>
		<pubDate>Mon, 05 Apr 2010 13:15:51 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/2010/04/05/breaking-radio-silence-2/</guid>
		<description><![CDATA[So it has be been a rough couple of weeks, but finally I am ready to break radio silence. My iPhone app is in the home stretch, finalizing the name and getting the art work completed. It isn&#8217;t rocket surgery, but functionally it scratches an itch I had, so I though I would have some [...]]]></description>
			<content:encoded><![CDATA[<p>So it has be been a rough couple of weeks, but finally I am ready to break radio silence.</p>
<p>My iPhone app is in the home stretch, finalizing the name and getting the art work completed.  It isn&#8217;t rocket surgery, but functionally it scratches an itch I had, so I though I would have some fun with it.</p>
<p>If you are interested in beta testing send me your UDID and I can send you a copy.</p>
]]></content:encoded>
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		<title>Migrating from Xen-Fedora to KVM-Ubuntu</title>
		<link>http://blog.gordonturner.ca/2010/01/28/xen-fedora-to-kvm-ubuntu/</link>
		<comments>http://blog.gordonturner.ca/2010/01/28/xen-fedora-to-kvm-ubuntu/#comments</comments>
		<pubDate>Thu, 28 Jan 2010 16:46:59 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[administrivia]]></category>
		<category><![CDATA[geek]]></category>
		<category><![CDATA[howto]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=303</guid>
		<description><![CDATA[Recently I completed my migration from Xen / Fedora Core to KVM / Ubuntu. I have been a long time Redhat user, but I felt that Fedora was no longer stable enough for me. I was tempted to move to CENTOS but it didn&#8217;t feel right, not quite an &#8216;official&#8217; Redhat release. So I decided [...]]]></description>
			<content:encoded><![CDATA[<p>Recently I completed my migration from Xen / Fedora Core to KVM / Ubuntu.  I have been a long time Redhat user, but I felt that Fedora was no longer stable enough for me.  I was tempted to move to CENTOS but it didn&#8217;t feel right, not quite an &#8216;official&#8217; Redhat release.  So I decided on Ubuntu with KVM virtualization.</p>
<p>The transition was reasonably painless, a few adjustments to make, like using <strong>init.d</strong> instead of <strong>service</strong>.  I made some notes for myself that others might find helpful:</p>
<p><a href="http://confluence.gordonturner.ca/display/NOTES/Ubuntu+Notes">Ubuntu Notes</a></p>
<p><a href="http://confluence.gordonturner.ca/display/NOTES/Kernel+Virtual+Machine+Host">Ubuntu KVM Host notes</a></p>
<p><a href="http://confluence.gordonturner.ca/display/NOTES/Kernel+Virtual+Machine+Guest">Ubuntu KVM Guest notes</a></p>
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		<title>The Best Computer is The One That&#8217;s With You</title>
		<link>http://blog.gordonturner.ca/2009/10/27/the-best-computer-is-the-one-thats-with-you/</link>
		<comments>http://blog.gordonturner.ca/2009/10/27/the-best-computer-is-the-one-thats-with-you/#comments</comments>
		<pubDate>Tue, 27 Oct 2009 13:48:38 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=260</guid>
		<description><![CDATA[Photographer Chase Jarvis published a book called The Best Camera Is The One That&#8217;s With You. All the pictures in the book were taken on his iPhone. The premise is that the &#8216;best&#8217; camera is the one you always have. With apologies to Mr. Jarvis, I would like to suggest that The Best Computer is [...]]]></description>
			<content:encoded><![CDATA[<p>Photographer Chase Jarvis published a book called <a href="http://www.amazon.ca/Best-Camera-One-Thats-You/dp/0321684788">The Best Camera Is The One That&#8217;s With You</a>.  All the pictures in the book were taken on his iPhone.  The premise is that the &#8216;best&#8217; camera is the one you always have.</p>
<p>With apologies to Mr. Jarvis, I would like to suggest that The Best Computer is The One That&#8217;s With You.  For me that is my new Macbook Air.</p>
<p> I bought it as a refurb from Apple&#8217;s website, it is small and light enough that I can carry it around and don&#8217;t really notice it.  The multi touch trackpad is <strong>so</strong> much better then my old Powerbook&#8217;s single touch trackpad.</p>
<p>In addition, using my tethered iPhone to get Internet access lets me be online anywhere.  No more scamming WiFi signals.</p>
<p>There are some short comings; only one USB port and no built in Ethernet jack.  But those are minor gripes.</p>
<p>Of course it is the best computer for me because I am always able to get online and do a quick bit of work and &#8216;good enough&#8217; that I am actually productive.</p>
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		<title>iPhone ring tones</title>
		<link>http://blog.gordonturner.ca/2009/10/21/iphone-ring-tones/</link>
		<comments>http://blog.gordonturner.ca/2009/10/21/iphone-ring-tones/#comments</comments>
		<pubDate>Thu, 22 Oct 2009 02:31:54 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[howto]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=248</guid>
		<description><![CDATA[Want to use an existing mp3 file as a ring tone for your iPhone? In a few steps you can. Choose your song in iTunes, right click, choose &#8216;Get Info&#8217;. Under the &#8216;Options&#8217; tab there is a &#8216;Start time&#8217; and &#8216;Stop time&#8217;, edit your song so that it plays only what you want. Don&#8217;t worry [...]]]></description>
			<content:encoded><![CDATA[<p>Want to use an existing mp3 file as a ring tone for your iPhone?</p>
<p>In a few steps you can.</p>
<ol>
<li>Choose your song in iTunes, right click, choose &#8216;Get Info&#8217;.</li>
<li>Under the &#8216;Options&#8217; tab there is a &#8216;Start time&#8217; and &#8216;Stop time&#8217;, edit your song so that it plays only what you want.  Don&#8217;t worry you can undo the Start and Stop times when we are done.</li>
<li>Click &#8216;Okay&#8217; to save changes to your Start and Stop times.</li>
<li>Right click the song again and choose &#8216;Create AAC Version&#8217;.  This will create a new file and add it to iTunes.  You should see it right below your old file.</li>
<li>Right click the old song and under the &#8216;Options&#8217; tab reset the Start and Stop times.</li>
<li>Right click the new song and choose &#8216;Show in Finder&#8217; (or equivalent PC option).</li>
<li>When you find this new file, rename the extension from <strong>m4a</strong> to <strong>m4r</strong>.</li>
<li>Now delete the new file in iTunes, right click on the new file, choose &#8216;Delete&#8217;, then &#8216;Remove&#8217; but choose to &#8216;Keep File&#8217;.</li>
<li>Now drag your .m4r file back onto the Library icon in iTunes.</li>
</ol>
<p>You&#8217;re done!  </p>
<p>Reminder: make sure you are syncing your ringtones to your phone.</p>
<p>My dad&#8217;s ring tone is now Yakety Sax, I figure Benny Hill would be proud.</p>
<p>(Tested on iTunes 9.0.1 for OS X.)</p>
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		<title>iPhone tethering test</title>
		<link>http://blog.gordonturner.ca/2009/06/30/iphone-tethering-test/</link>
		<comments>http://blog.gordonturner.ca/2009/06/30/iphone-tethering-test/#comments</comments>
		<pubDate>Tue, 30 Jun 2009 23:22:43 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=242</guid>
		<description><![CDATA[Taking the VIA train from Toronto to Smiths Falls gives me the chance to test out the iPhone tethering. So far pretty good, only a few dead zones one big one near the Darlington power station and Edge only zone at the Port Hope VIA station. Having internet on the VIA trains isn&#8217;t new, they [...]]]></description>
			<content:encoded><![CDATA[<p>Taking the VIA train from Toronto to Smiths Falls gives me the chance to test out the iPhone tethering.</p>
<p>So far pretty good, only a few dead zones one big one near the Darlington power station and Edge only zone at the Port Hope VIA station.</p>
<p>Having internet on the VIA trains isn&#8217;t new, they have wifi, but it is nice not having to worry about it.</p>
<p>UPDATE: Huge Edge section from Port Hope to Cobourg, gah.</p>
<p>UPDATE 2: Edge from Cobourg to Belleville.</p>
<p>UPDATE 3: East of Belleville picked up 3G again, I think coverage is good if you can see the 401 from the train <img src='http://blog.gordonturner.ca/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
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		<title>Tweetdeck and Selenium on Windows XP</title>
		<link>http://blog.gordonturner.ca/2009/03/31/tweetdeck-and-selenium-on-windows-xp/</link>
		<comments>http://blog.gordonturner.ca/2009/03/31/tweetdeck-and-selenium-on-windows-xp/#comments</comments>
		<pubDate>Tue, 31 Mar 2009 18:51:18 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[windows]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=220</guid>
		<description><![CDATA[A quick note, do not use the Twitter client Tweetdeck and the web UI testing tool Selenium server at the same time on Windows XP, or you will get the error: &#8220;This page requires a secure connection which includes server authentication.&#8221; &#8220;The Certificate Issuer for this site is untrusted or unknown. Do you wish to [...]]]></description>
			<content:encoded><![CDATA[<p>A quick note, do not use the Twitter client <a href="http://www.tweetdeck.com">Tweetdeck </a>and the web UI testing tool Selenium server at the same time on Windows XP, or you will get the error:</p>
<p>&#8220;This page requires a secure connection which includes server authentication.&#8221;</p>
<p>&#8220;The Certificate Issuer for this site is untrusted or unknown.  Do you wish to proceed?&#8221;</p>
<p><img src="http://blog.gordonturner.ca/wp-content/uploads/2009/03/tweetdeck-error.jpg" alt="tweetdeck-error" title="tweetdeck-error" width="495" height="182" class="alignnone size-full wp-image-224" /></p>
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		<title>iPhone OS v3.0 wishlist</title>
		<link>http://blog.gordonturner.ca/2009/03/15/iphone-os-v30-wishlist/</link>
		<comments>http://blog.gordonturner.ca/2009/03/15/iphone-os-v30-wishlist/#comments</comments>
		<pubDate>Sun, 15 Mar 2009 20:35:52 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=216</guid>
		<description><![CDATA[March 17th 2009 Apple has scheduled a Preview of the iPhone OS 3.0. I am looking forward to it, mostly that it will jump start my own iPhone development efforts, but also that they will address a few &#8216;gaps&#8217; in the platform and built in apps. First, I want to say that the v2.0 OS [...]]]></description>
			<content:encoded><![CDATA[<p>March 17th 2009 Apple has scheduled a Preview of the iPhone OS 3.0.  I am looking forward to it, mostly that it will jump start my own iPhone development efforts, but also that they will address a few &#8216;gaps&#8217; in the platform and built in apps.</p>
<p>First, I want to say that the v2.0 OS and iPhone is one of the best mobile platforms out there.  The big caveat is that if you type a lot, you are better off with a Blackberry.  But it has the better web browser, app support and it <strong>is</strong> and ipod.</p>
<p>So what could make it better, here are my top five:</p>
<ol>
<li>Cut and Paste.  Nuff said.</li>
<li>Back ground apps, the notification api never showed up.</li>
<li>Mail.app, landscape keyboard, would seriously close the typing gap in email</li>
<li>Mail.app, expunge when deleted, at least an option to do so.</li>
<li>Update Springboard to handle more apps.  Nice problem for Apple to have, that people are struggling with Application managment.</li>
</ol>
<p>I don&#8217;t really care that much about Flash, MMS or Bluetooth, but they would be nice too.  Totally selfish list, lets see if Mail.app gets some love in this release.</p>
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		<title>Backing up dvds</title>
		<link>http://blog.gordonturner.ca/2009/03/12/backing-up-dvds/</link>
		<comments>http://blog.gordonturner.ca/2009/03/12/backing-up-dvds/#comments</comments>
		<pubDate>Thu, 12 Mar 2009 19:35:57 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>
		<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=213</guid>
		<description><![CDATA[In Canada backing up dvds for for personal use is legal, but it is not as easy as ripping audio cds. This is (mostly) thanks to the Content Scramble System present on almost all dvds. The companies that author and press the dvds sometimes throw in other tricks to prevent computers from reading the discs. [...]]]></description>
			<content:encoded><![CDATA[<p>In Canada backing up dvds for for personal use is legal, but it is not as easy as ripping audio cds.  This is (mostly) thanks to the <a href="http://en.wikipedia.org/wiki/Content_Scramble_System">Content Scramble System</a> present on almost all dvds.  The companies that author and press the dvds sometimes throw in other tricks to prevent computers from reading the discs.</p>
<p>The first step in backing up the dvd is to decrypt it.  There are many free ways of doing this, often involving <a href="http://en.wikipedia.org/wiki/Decss">decss</a>.  My recommendation is a commercial app called AnyDVD.  Yes, you can use free apps to decrypt 90% of the dvds out there and yes AnyDVD is expensive and only runs on Windows.  AnyDVD is actively maintained, in fact they have released a version that will decrypt Blu Ray discs.  I guess I am old enough to choose my software battles.</p>
<p>After installing and inserting a dvd into the drive, backing up the dvd is as simple as navigating to the drive and copying the VIDEO_TS directory to your hard drive.  The size of the backed up directory will usually be about 7 Gigs or less.</p>
<p>At this point the backup can be played on any software that can play dvds.  I suggest <a href="http://www.videolan.org/vlc/">VLC media player</a>, which is cross platform and will display the full dvd menus.</p>
<p>Finally, if you wish to play back the content on your ipod or game console I would suggest <a href="http://handbrake.fr/">HandBrake</a>.  It has profiles for the different platforms and allows queuing of transcoding jobs.</p>
<p>Side note: The OS X DVD Player will play the backed up image, start the application first and drag the VIDEO_TS onto the icon in the Dock.)</p>
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		<title>Attending Startup North</title>
		<link>http://blog.gordonturner.ca/2008/11/13/attending-startup-north/</link>
		<comments>http://blog.gordonturner.ca/2008/11/13/attending-startup-north/#comments</comments>
		<pubDate>Thu, 13 Nov 2008 14:20:05 +0000</pubDate>
		<dc:creator>Gordo</dc:creator>
				<category><![CDATA[geek]]></category>

		<guid isPermaLink="false">http://blog.gordonturner.ca/?p=109</guid>
		<description><![CDATA[My first post from my iPhone (any spelling mistakes I blame on the crappy keyboard). Posting from Startup Empire, an event hosted by Startup North, with a few familiar faces from the Democamp scene.]]></description>
			<content:encoded><![CDATA[<p>My first post from my iPhone (any spelling mistakes I blame on the crappy keyboard).</p>
<p>Posting from Startup Empire, an event hosted by Startup North, with a few familiar faces from the Democamp scene.</p>
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