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	<title>Bertie Baggio&#039;s Wonderland &#187; linux</title>
	<atom:link href="http://blog.roberthallam.org/category/linux/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.roberthallam.org</link>
	<description>armchair rebel and cheerful raconteur</description>
	<lastBuildDate>Thu, 01 Sep 2011 13:15:12 +0000</lastBuildDate>
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		<item>
		<title>Solved: No Files In MPD (eg mpc ls)</title>
		<link>http://blog.roberthallam.org/2011/07/no-files-in-mpd/</link>
		<comments>http://blog.roberthallam.org/2011/07/no-files-in-mpd/#comments</comments>
		<pubDate>Sat, 09 Jul 2011 17:13:36 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[mpc]]></category>
		<category><![CDATA[mpd]]></category>
		<category><![CDATA[music]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=426</guid>
		<description><![CDATA[I was doing my initial &#8220;is it working?&#8221; tests after reinstalling mpc, and mpc ls was not giving me any output. ncmpc was also showing no files. What I didn't appreciate was that the music database is no populated by default- you have to issue an "update" command manually (or semi-manually by running a client [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2011/07/no-files-in-mpd/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Show Progress Bar During dd Copy</title>
		<link>http://blog.roberthallam.org/2011/01/show-progress-bar-during-dd-copy/</link>
		<comments>http://blog.roberthallam.org/2011/01/show-progress-bar-during-dd-copy/#comments</comments>
		<pubDate>Wed, 05 Jan 2011 18:17:19 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[life]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[tech]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[dd]]></category>
		<category><![CDATA[nslu2]]></category>
		<category><![CDATA[progress]]></category>
		<category><![CDATA[pv]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=388</guid>
		<description><![CDATA[There are a number of ways of showing the progress of a dd copy. The easiest is sending the USER1 signal to the dd process, like: dd if=FILE1 of=FILE2 pkill -USER1 dd But that only gives a current status &#8211; eg 12345678 bytes transferred (11.77MB) &#8230; [8.56MB/s]. Not that helpful if you want an ongoing [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2011/01/show-progress-bar-during-dd-copy/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Limit the Rate of SCP</title>
		<link>http://blog.roberthallam.org/2010/09/limit-the-rate-of-scp/</link>
		<comments>http://blog.roberthallam.org/2010/09/limit-the-rate-of-scp/#comments</comments>
		<pubDate>Tue, 28 Sep 2010 15:40:49 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[scp]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=363</guid>
		<description><![CDATA[I was using scp to upload some files (as you should!) and maxing out my connection while doing it. It made using ssh problematic! Fortunately there&#8217;s an easy switch to use to limit the rate: scp -l 1024 /file1 user@host:/file2 The -l switch limits scp to the specified upload rate in kilobits per second. Handy!]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/09/limit-the-rate-of-scp/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fix for &#8220;Current Password No Longer Matches Keyring&#8221;</title>
		<link>http://blog.roberthallam.org/2010/07/current-password-does-not-match-keyring-fix/</link>
		<comments>http://blog.roberthallam.org/2010/07/current-password-does-not-match-keyring-fix/#comments</comments>
		<pubDate>Tue, 13 Jul 2010 10:29:37 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[tech]]></category>
		<category><![CDATA[help]]></category>
		<category><![CDATA[keyring]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=343</guid>
		<description><![CDATA[A I may have mentioned, I recently reinstalled Ubuntu (had been using Windows 7 for a few months). Since the reinstall I had changed my common login password for the other computers on the network so of course I updated my user password for the new install. The slight problem came when I used any [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/07/current-password-does-not-match-keyring-fix/feed/</wfw:commentRss>
		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>[Solved] sshd Does Not Run At System Startup (Ubuntu)</title>
		<link>http://blog.roberthallam.org/2010/06/sshd-not-running-at-startup/</link>
		<comments>http://blog.roberthallam.org/2010/06/sshd-not-running-at-startup/#comments</comments>
		<pubDate>Sun, 27 Jun 2010 13:08:27 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[tech]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[troubleshooting]]></category>
		<category><![CDATA[ubuntu]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=324</guid>
		<description><![CDATA[Problem: sshd does not appear to start on system boot, but runs fine when started from a terminal with /etc/init.d/ssh start Update Dec 2010: Thanks to Jeremie here. Change the following in /etc/init.d./ssh to stop sshd starting before the network is ready: Change: # Required-Start: $remote_fs $syslog to: # Required-Start: $remote_fs $syslog $network Merci Jeremie! [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/06/sshd-not-running-at-startup/feed/</wfw:commentRss>
		<slash:comments>11</slash:comments>
		</item>
		<item>
		<title>Extract A Single Image From A Video Using FFMPEG</title>
		<link>http://blog.roberthallam.org/2010/06/extract-a-single-image-from-a-video-using-ffmpeg/</link>
		<comments>http://blog.roberthallam.org/2010/06/extract-a-single-image-from-a-video-using-ffmpeg/#comments</comments>
		<pubDate>Sat, 19 Jun 2010 22:09:44 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[cool]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[wisdom]]></category>
		<category><![CDATA[ffmpeg]]></category>
		<category><![CDATA[image]]></category>
		<category><![CDATA[video]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=308</guid>
		<description><![CDATA[Dead handy, this: ffmpeg -ss 0.5 -i inputfile.mp4 -t 1 -s 480x300 -f image2 imagefile.jpg The various options: -t 1: limit to 1 frame extracted -ss 0.5: point of movie to extract from (ie seek to 0.5 seconds) -s 480x300: frame size of image to output (image resized to fit dimensions) -f image2: forces format [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/06/extract-a-single-image-from-a-video-using-ffmpeg/feed/</wfw:commentRss>
		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>Connect to a WPA/WPA2 Secured Network In Linux</title>
		<link>http://blog.roberthallam.org/2010/05/connect-to-a-wpawpa2-secured-network-in-linux/</link>
		<comments>http://blog.roberthallam.org/2010/05/connect-to-a-wpawpa2-secured-network-in-linux/#comments</comments>
		<pubDate>Wed, 19 May 2010 02:02:31 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[life]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[command line]]></category>
		<category><![CDATA[upgrades]]></category>
		<category><![CDATA[wpa]]></category>
		<category><![CDATA[wpa2]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=300</guid>
		<description><![CDATA[This turned out to be dead easy, although it took a bit of futzing around due to my own slowness. The situation arose during an a failed upgrade of my dad&#8217;s machine to Ubuntu 10.04 (aka Lucid Lynx). I&#8217;m sensing a pattern here; I don&#8217;t think there has been an upgrade that has gone smoothly [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/05/connect-to-a-wpawpa2-secured-network-in-linux/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Ubuntu 9.10 Karmic Upgrade Problem Fixed (mountall/init)</title>
		<link>http://blog.roberthallam.org/2010/03/ubuntu-9-10-karmic-upgrade-problem-fixed-mountallinit/</link>
		<comments>http://blog.roberthallam.org/2010/03/ubuntu-9-10-karmic-upgrade-problem-fixed-mountallinit/#comments</comments>
		<pubDate>Wed, 24 Mar 2010 00:29:55 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[fix]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=287</guid>
		<description><![CDATA[(Jump to the bonus section on sorting a removed Gnome panel) I finally got round to doing the Jaunty-&#62;Karmic upgrade on a troublesome machine. Well, re-doing. I made an abortive attempt to install it on this particular exhibit of electronic arthritis back before I left for Barcelona, which ended in me reinstalling 9.04. Anyway, for [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2010/03/ubuntu-9-10-karmic-upgrade-problem-fixed-mountallinit/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Count Arguments In A Bash Script</title>
		<link>http://blog.roberthallam.org/2009/10/count-arguments-in-a-bash-script/</link>
		<comments>http://blog.roberthallam.org/2009/10/count-arguments-in-a-bash-script/#comments</comments>
		<pubDate>Thu, 01 Oct 2009 15:34:23 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[all posts]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[bash]]></category>
		<category><![CDATA[scripting]]></category>
		<category><![CDATA[useful]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=235</guid>
		<description><![CDATA[Another useful tip I&#8217;m sure most people will be familiar with, but in bash scripts $# stores the number of arguments passed to the script. Eg, combine with $@ (all arguments) for batch processing (what I used it for): foreach $arg in $@; do [stuff] [compare with $# to tell remaining items] done Very basic [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2009/10/count-arguments-in-a-bash-script/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Batch Rename or Move An Extension In Linux (Eg .JPG to .jpg)</title>
		<link>http://blog.roberthallam.org/2009/09/batch-rename-or-move-an-extension-in-linux/</link>
		<comments>http://blog.roberthallam.org/2009/09/batch-rename-or-move-an-extension-in-linux/#comments</comments>
		<pubDate>Wed, 30 Sep 2009 15:29:51 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>

		<guid isPermaLink="false">http://blog.roberthallam.org/?p=233</guid>
		<description><![CDATA[A short and easy trick, but one that is either not referred to or more complex examples given. I wanted to change a bunch of upper case .JPG images to lower case. Rather than writing a bash script or some such, I just used the &#8216;rename&#8217; command: rename 's/\.JPG$/\.jpg/' *.JPG It may depend on perl [...]]]></description>
		<wfw:commentRss>http://blog.roberthallam.org/2009/09/batch-rename-or-move-an-extension-in-linux/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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