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		<title>Linguistics</title>
		<link>https://hcmc.uvic.ca/blogs/index.php?blog=53</link>
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		<description>Linguistics</description>
		<language>en-CA</language>
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			<title>Problem with keychain and binding to LDAP</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/problem_with_keychain_and_binding_to_lda?blog=53</link>
			<pubDate>Thu, 06 Oct 2016 21:36:23 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Activity Log</category>			<guid isPermaLink="false">14499@https://hcmc.uvic.ca/blogs/</guid>
						<description>I discovered that the keychain service in macOS synchronizes itself with the login password used to login, including externally set passwords like netlink. This is a problem if a password is reset by the user or someone else on campus as it produces a keychain alert on next login to a linguistics machine which is confusing for most people. 

&lt;p&gt;I will fix this by using a script that deletes the previous users login keychain information on login. A new keychain is created each time a user logs in and then is deleted when they login again, thus avoiding the keychain sync issue.&lt;/p&gt;

&lt;p&gt;The reasoning for that decision is here:
&lt;a href=&quot;http://technology.siprep.org/deleting-keychains-at-user-logout/&quot;&gt;http://technology.siprep.org/deleting-keychains-at-user-logout/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;I will either use a logout hook, which is deprecated by apple but still usable (and very simple to implement):
&lt;a href=&quot;http://www.amsys.co.uk/2015/02/delete-keychains-logout/?nabe=6486817002487808:0&quot;&gt;http://www.amsys.co.uk/2015/02/delete-keychains-logout/?nabe=6486817002487808:0&lt;/a&gt;&lt;/p&gt;

&lt;p&gt; or I will use Offest:
&lt;a href=&quot;https://github.com/aysiu/offset&quot;&gt;https://github.com/aysiu/offset&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;With this script:
&lt;a href=&quot;https://github.com/aysiu/Mac-Scripts-and-Profiles/blob/master/RemoveLastUserKeychains&quot;&gt;https://github.com/aysiu/Mac-Scripts-and-Profiles/blob/master/RemoveLastUserKeychains&lt;/a&gt;&lt;/p&gt;

&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/problem_with_keychain_and_binding_to_lda?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[I discovered that the keychain service in macOS synchronizes itself with the login password used to login, including externally set passwords like netlink. This is a problem if a password is reset by the user or someone else on campus as it produces a keychain alert on next login to a linguistics machine which is confusing for most people. 

<p>I will fix this by using a script that deletes the previous users login keychain information on login. A new keychain is created each time a user logs in and then is deleted when they login again, thus avoiding the keychain sync issue.</p>

<p>The reasoning for that decision is here:
<a href="http://technology.siprep.org/deleting-keychains-at-user-logout/">http://technology.siprep.org/deleting-keychains-at-user-logout/</a></p>

<p>I will either use a logout hook, which is deprecated by apple but still usable (and very simple to implement):
<a href="http://www.amsys.co.uk/2015/02/delete-keychains-logout/?nabe=6486817002487808:0">http://www.amsys.co.uk/2015/02/delete-keychains-logout/?nabe=6486817002487808:0</a></p>

<p> or I will use Offest:
<a href="https://github.com/aysiu/offset">https://github.com/aysiu/offset</a></p>

<p>With this script:
<a href="https://github.com/aysiu/Mac-Scripts-and-Profiles/blob/master/RemoveLastUserKeychains">https://github.com/aysiu/Mac-Scripts-and-Profiles/blob/master/RemoveLastUserKeychains</a></p>

<div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/problem_with_keychain_and_binding_to_lda?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/problem_with_keychain_and_binding_to_lda?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=14499</wfw:commentRss>
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			<title>Hardware Updates</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/hardware_updates?blog=53</link>
			<pubDate>Thu, 06 Oct 2016 21:24:18 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Activity Log</category>			<guid isPermaLink="false">14498@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;I installed two focus rite 2i2 in the linguistics labs. They now work properly. I also added a &quot;how to&quot; for basic use.&lt;/p&gt;

&lt;p&gt;I tested the epiphany avid hd video capture interface on the department&#039;s ultrasound machine. This now works as a plug and play device and is capturable on any computer with a USB port.&lt;/p&gt;


&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/hardware_updates?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>I installed two focus rite 2i2 in the linguistics labs. They now work properly. I also added a "how to" for basic use.</p>

<p>I tested the epiphany avid hd video capture interface on the department's ultrasound machine. This now works as a plug and play device and is capturable on any computer with a USB port.</p>


<div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/hardware_updates?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/hardware_updates?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=14498</wfw:commentRss>
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			<title>Tutorials and hours in Linguistics</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/tutorials_and_hours_in_linguistics?blog=53</link>
			<pubDate>Thu, 25 Feb 2016 00:47:37 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Activity Log</category>			<guid isPermaLink="false">13832@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;On Tuesday I spent two hours instructing students on how to use recording equipment. I have some small adjustments to make to the setup in the recording booth in D345, but I think it should work well.&lt;/p&gt;
&lt;p&gt;
I also committed for the next couple of months to regular hours in the labs as undergrad and grad are requiring more attention now. I&#039;ll be up there Thursdays, 10:00-14:00. Two class groups have already contacted me asking for assistance.&lt;/p&gt;&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/tutorials_and_hours_in_linguistics?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>On Tuesday I spent two hours instructing students on how to use recording equipment. I have some small adjustments to make to the setup in the recording booth in D345, but I think it should work well.</p>
<p>
I also committed for the next couple of months to regular hours in the labs as undergrad and grad are requiring more attention now. I'll be up there Thursdays, 10:00-14:00. Two class groups have already contacted me asking for assistance.</p><div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/tutorials_and_hours_in_linguistics?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/tutorials_and_hours_in_linguistics?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13832</wfw:commentRss>
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			<title>Maintenance  2nd week of Feb. 2016</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/maintenance_2nd_week_of_feb_2016?blog=53</link>
			<pubDate>Thu, 11 Feb 2016 19:00:19 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Activity Log</category>			<guid isPermaLink="false">13809@https://hcmc.uvic.ca/blogs/</guid>
						<description>Ran weekly updates on all systems. Everything normal.  
&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/maintenance_2nd_week_of_feb_2016?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[Ran weekly updates on all systems. Everything normal.  
<div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/maintenance_2nd_week_of_feb_2016?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/maintenance_2nd_week_of_feb_2016?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13809</wfw:commentRss>
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			<title>Firewire capture and post process Ubuntu</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/firewire_capture_and_post_process_ubuntu?blog=53</link>
			<pubDate>Thu, 07 Jan 2016 00:11:27 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Documentation</category>			<guid isPermaLink="false">13699@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;I have managed to configure the fire wire digitizer station to capture and the allow for saving, editing and exporting a nicely compatible mp4 file.&lt;/p&gt;

&lt;p&gt;This is how I did it:&lt;/p&gt;

&lt;p&gt;I used kino with the following command line changes after it was installed:&lt;/p&gt;
&lt;pre&gt;sudo chmod a+rw /dev/raw1394&lt;/pre&gt;
&lt;p&gt;That will change the file permissions to allow all users read and write access for firwire. If this isn&#039;t done kino wont work unless launched as a super user.&lt;/p&gt;

&lt;p&gt;Kino is needed to preview and manipulate the tape being viewed to the point before capture. If the whole file was being captured I would have used dvgrab, which is a command line way of simply sucking the video in dv format onto the hdd.&lt;/p&gt;

&lt;p&gt;After it is saved as a .dv I used openshot and imported the .dv file in and added a title and simple fade in fade out. (openshot has no capture capability) I then exported with the following settings:&lt;/p&gt;

&lt;p&gt;Profile: All formats&lt;br /&gt;
Target: mp4 h.264&lt;br /&gt;
Everything else left on default.&lt;/p&gt;

&lt;p&gt;This exported a 6 minute video in less than 6 minutes.&lt;/p&gt;&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/firewire_capture_and_post_process_ubuntu?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>I have managed to configure the fire wire digitizer station to capture and the allow for saving, editing and exporting a nicely compatible mp4 file.</p>

<p>This is how I did it:</p>

<p>I used kino with the following command line changes after it was installed:</p>
<pre>sudo chmod a+rw /dev/raw1394</pre>
<p>That will change the file permissions to allow all users read and write access for firwire. If this isn't done kino wont work unless launched as a super user.</p>

<p>Kino is needed to preview and manipulate the tape being viewed to the point before capture. If the whole file was being captured I would have used dvgrab, which is a command line way of simply sucking the video in dv format onto the hdd.</p>

<p>After it is saved as a .dv I used openshot and imported the .dv file in and added a title and simple fade in fade out. (openshot has no capture capability) I then exported with the following settings:</p>

<p>Profile: All formats<br />
Target: mp4 h.264<br />
Everything else left on default.</p>

<p>This exported a 6 minute video in less than 6 minutes.</p><div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/firewire_capture_and_post_process_ubuntu?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/firewire_capture_and_post_process_ubuntu?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13699</wfw:commentRss>
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			<title>Digitizer setup in hcmc for mini-dv </title>
			<link>https://hcmc.uvic.ca/blogs/index.php/digitizer_setup_in_hcmc_for_mini_dv?blog=53</link>
			<pubDate>Thu, 24 Dec 2015 21:35:17 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Tasks</category>			<guid isPermaLink="false">13679@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;I setup a digitizing station in the HCMC with the old JVC deck attached to one of Greg&#039;s retired linux boxes. It may be used to digitize some of John Essling&#039;s mini-dv tapes. A PhD student (Aki) has been hired to do this but couldn&#039;t get it to work with the hardware up in the ling labs.&lt;/p&gt;

&lt;p&gt;We will likely use Kino to capture the video, save it as raw dv and then transcode to its final format.&lt;/p&gt;

&lt;p&gt;The project as it stands now is only to take a few minutes from each tape - the contents of which are cooing babies - and leave the rest stranded on the tapes. I will raise the issue with John Essling (or whoever is responsible) and see if we can get them digitized in their entirety  so that this research material isn&#039;t lost as time passes.&lt;/p&gt;&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/digitizer_setup_in_hcmc_for_mini_dv?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>I setup a digitizing station in the HCMC with the old JVC deck attached to one of Greg's retired linux boxes. It may be used to digitize some of John Essling's mini-dv tapes. A PhD student (Aki) has been hired to do this but couldn't get it to work with the hardware up in the ling labs.</p>

<p>We will likely use Kino to capture the video, save it as raw dv and then transcode to its final format.</p>

<p>The project as it stands now is only to take a few minutes from each tape - the contents of which are cooing babies - and leave the rest stranded on the tapes. I will raise the issue with John Essling (or whoever is responsible) and see if we can get them digitized in their entirety  so that this research material isn't lost as time passes.</p><div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/digitizer_setup_in_hcmc_for_mini_dv?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/digitizer_setup_in_hcmc_for_mini_dv?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13679</wfw:commentRss>
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			<title>Printer in Speech Language Lab</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/printer_in_speech_language_lab?blog=53</link>
			<pubDate>Thu, 24 Dec 2015 21:28:41 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Tasks</category>			<guid isPermaLink="false">13678@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;Discovered today after installing ELCAP on the 27&quot; iMac (which was having kernel panics) that the HP 3600n does not support the newest, or even last OS X version. My interim solution was to Bonjou share it off a maverick running iMac that is already there.&lt;/p&gt; 

&lt;p&gt;Martin mentioned perhaps using an old linux box as a print server. I&#039;ll look into this in the new year.&lt;/p&gt;&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/printer_in_speech_language_lab?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>Discovered today after installing ELCAP on the 27" iMac (which was having kernel panics) that the HP 3600n does not support the newest, or even last OS X version. My interim solution was to Bonjou share it off a maverick running iMac that is already there.</p> 

<p>Martin mentioned perhaps using an old linux box as a print server. I'll look into this in the new year.</p><div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/printer_in_speech_language_lab?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/printer_in_speech_language_lab?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13678</wfw:commentRss>
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			<title>vlan 549 with LDAP</title>
			<link>https://hcmc.uvic.ca/blogs/index.php/vlan_549_with_ldap?blog=53</link>
			<pubDate>Thu, 03 Dec 2015 18:56:03 +0000</pubDate>			<dc:creator>pat</dc:creator>
			<category domain="main">Documentation</category>			<guid isPermaLink="false">13593@https://hcmc.uvic.ca/blogs/</guid>
						<description>&lt;p&gt;Met with Jason Castor and Corey Scholefield regarding using LDAP to authenticate in the Ling labs.&lt;/p&gt;

&lt;p&gt;Jason said he would add 549 to allow for authentication and then configure in the new year. I will check later today or on Monday to see if authentication works.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Update: It works!&lt;/b&gt;&lt;/p&gt;&lt;div class=&quot;item_footer&quot;&gt;&lt;p&gt;&lt;small&gt;&lt;a href=&quot;https://hcmc.uvic.ca/blogs/index.php/vlan_549_with_ldap?blog=53&quot;&gt;Original post&lt;/a&gt; blogged on &lt;a href=&quot;http://b2evolution.net/&quot;&gt;b2evolution&lt;/a&gt;.&lt;/small&gt;&lt;/p&gt;&lt;/div&gt;</description>
			<content:encoded><![CDATA[<p>Met with Jason Castor and Corey Scholefield regarding using LDAP to authenticate in the Ling labs.</p>

<p>Jason said he would add 549 to allow for authentication and then configure in the new year. I will check later today or on Monday to see if authentication works.</p>

<p><b>Update: It works!</b></p><div class="item_footer"><p><small><a href="https://hcmc.uvic.ca/blogs/index.php/vlan_549_with_ldap?blog=53">Original post</a> blogged on <a href="http://b2evolution.net/">b2evolution</a>.</small></p></div>]]></content:encoded>
								<comments>https://hcmc.uvic.ca/blogs/index.php/vlan_549_with_ldap?blog=53#comments</comments>
			<wfw:commentRss>https://hcmc.uvic.ca/blogs/index.php?blog=53&#38;tempskin=_rss2&#38;disp=comments&#38;p=13593</wfw:commentRss>
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