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	<title>The p-Code Machine &#187; Uncategorized</title>
	<atom:link href="http://blog.pcode.nl/category/uncategorized/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.pcode.nl</link>
	<description>Nonsense!</description>
	<lastBuildDate>Tue, 07 Sep 2010 17:42:13 +0000</lastBuildDate>
	<language>en</language>
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		<title>Tinting Wallpapers With GIMP</title>
		<link>http://blog.pcode.nl/2010/06/14/tinting-wallpapers-with-gimp/</link>
		<comments>http://blog.pcode.nl/2010/06/14/tinting-wallpapers-with-gimp/#comments</comments>
		<pubDate>Mon, 14 Jun 2010 20:54:19 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=590</guid>
		<description><![CDATA[Here&#8217;s some quick GIMP magic. I have a wallpaper I like, however it&#8217;s in blue while the new Ubuntu color scheme is all about purple. So this is how we fix it: Open the image you want to tint in GIMP Now add a new layer on top of the image Select the color you [...]]]></description>
			<content:encoded><![CDATA[<p>Here&#8217;s some quick GIMP magic. I have a <a href="http://marlonpalmas.files.wordpress.com/2008/07/hp-dragon.jpg">wallpaper</a> I like, however it&#8217;s in blue while the new Ubuntu color scheme is all about purple. So this is how we fix it:</p>
<ul>
<li>Open the image you want to tint in GIMP</li>
<li>Now add a new layer on top of the image</li>
<li>Select the color you want to tint the image with (R43, G0, B30 for Lucid Purple)</li>
<li>Bucket fill the new top layer with the selected color</li>
<li>Set the layer mode of the top layer to Hue</li>
</ul>
<p>Voila!</p>
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		<title>Overreacting</title>
		<link>http://blog.pcode.nl/2010/01/27/overreacting/</link>
		<comments>http://blog.pcode.nl/2010/01/27/overreacting/#comments</comments>
		<pubDate>Wed, 27 Jan 2010 18:24:48 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=539</guid>
		<description><![CDATA[I, as many others, read about Canonical&#8217;s decision to use Yahoo as the default search provider. When I read the headline I assumed without doubt the decision had to be made because of the recent search results privacy debacle of Google. However, after reading the article a bit later, it&#8217;s a business move&#8230; They get [...]]]></description>
			<content:encoded><![CDATA[<p>I, as many others, read about<a href="https://lists.ubuntu.com/archives/ubuntu-devel/2010-January/030065.html"> Canonical&#8217;s decision to use Yahoo as the default search provider</a>. When I read the headline I assumed without doubt the decision had to be made because of the recent search results privacy debacle of Google. However, after reading the article a bit later, it&#8217;s a business move&#8230; They get paid to do this&#8230;</p>
<p>The most problematic part of this all, is the notion, it&#8217;s all okay, &#8220;because it&#8217;s easy to change back&#8221;. This is the biggest bullshit argument in history. First how easy it is to do anything is very relative&#8230; There are lots of computer users which are simply not capable of changing this default, or any default at all anywhere&#8230; I suppose this is the audience where they intended to receive this revenue from&#8230; Since lots of default-changing-capable folks will most likely be changing back to Google anyway.</p>
<p>And of course there is a bigger point to be made here. I don&#8217;t want any external party to have any influence on how my operating system is defaulted. I mean&#8230; Will the release after Lucid have the Picasa/SmugMug uploaders disabled in F-Spot, only leaving the Flickr uploader available, because Yahoo paid for it. The other uploaders would obviously be &#8220;easy&#8221; to add back, because then it would be all okay&#8230; And an advertisement here-or-there never hurt anybody too&#8230;</p>
<p>While I do get it&#8217;s not particularly easy to build a stable company on open source software, and we shouldn&#8217;t expect Mark to endlessly pour money into Canonical, but we could ask ourselves, how viable Ubuntu would be in the long term if these kinds of decisions need to be made.</p>
<p>I&#8217;d much rather have them cut back on shipments of free CDs amongst other things&#8230;</p>
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		<title>FreeDOS on a Bootable USB stick: the easy way</title>
		<link>http://blog.pcode.nl/2009/12/28/freedos-on-a-bootable-usb-stick-the-easy-way/</link>
		<comments>http://blog.pcode.nl/2009/12/28/freedos-on-a-bootable-usb-stick-the-easy-way/#comments</comments>
		<pubDate>Sun, 27 Dec 2009 23:58:59 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=528</guid>
		<description><![CDATA[A few days ago I&#8217;d been fiddling with creating a FreeDOS bootable USB stick, with little succes actually&#8230; But there&#8217;s an easy way which works on all operating systems which run qemu, I&#8217;ll be focussing on Ubuntu Linux. First download the Balder FreeDOS floppy, and save it somewhere convenient on your disk. Then connect your [...]]]></description>
			<content:encoded><![CDATA[<p>A few days ago I&#8217;d been fiddling with creating a FreeDOS bootable USB stick, with little succes actually&#8230; But there&#8217;s an easy way which works on all operating systems which run qemu, I&#8217;ll be focussing on Ubuntu Linux.</p>
<p>First download the <a href="http://www.finnix.org/Balder">Balder</a> FreeDOS floppy, and save it somewhere convenient on your disk. Then connect your USB stick to your system, make sure you unmount the stick&#8217;s filesystems before proceeding:</p>
<pre># sudo umount /media/usbstick</pre>
<p>Then wipe the USB stick using dd to make sure it&#8217;s completely clean. This step is not really required, but this does make sure you won&#8217;t run into any other problems later on. Make sure you <em><span style="color: #ffff00;">know</span></em> you have the <em><span style="color: #ffff00;">correct</span></em> device file, making a mistake with this can really screw up your Ubuntu install, as an example I&#8217;ll be using sdu:</p>
<pre># sudo dd if=/dev/zero of=/dev/sdu bs=1M</pre>
<p>Then we start qemu booting from the Balder boot floppy image:</p>
<pre># sudo qemu -fda balder10.img -hda /dev/sdu -boot a</pre>
<p>If all goes well you&#8217;ll see FreeDOS booting from the floppy drive.</p>
<pre>A:\&gt;fdisk</pre>
<p>Then partition a single large volume, the following should have the same effect:</p>
<pre>A:\&gt;fdisk /auto C:</pre>
<p>Then format the partition and copy system files:</p>
<pre>A:\&gt;format C: /V:FREEDOS /S</pre>
<p>Then you can copy any other DOS utilities you might need from the Balder image to the C: drive, which in essence is your USB stick. Then close qemu. Then we can verify if the stick boots properly like so:</p>
<pre># sudo qemu -hda /dev/sdu -boot c</pre>
<p>If you want to place some extra files on there like a BIOS flash utility and a BIOS upgrade file you issue the eject command, and then disconnect and reconnect the USB stick:</p>
<pre># sudo eject /dev/sdu</pre>
<p>I hope this works for you as well. Good luck and be careful!</p>
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		<title>Unobtainium?</title>
		<link>http://blog.pcode.nl/2009/12/17/unobtainium/</link>
		<comments>http://blog.pcode.nl/2009/12/17/unobtainium/#comments</comments>
		<pubDate>Thu, 17 Dec 2009 18:17:10 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=523</guid>
		<description><![CDATA[For crying out loud!]]></description>
			<content:encoded><![CDATA[<p>For crying out loud!</p>
]]></content:encoded>
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		<title>The Makeover</title>
		<link>http://blog.pcode.nl/2009/08/08/the-makeover/</link>
		<comments>http://blog.pcode.nl/2009/08/08/the-makeover/#comments</comments>
		<pubDate>Sat, 08 Aug 2009 19:28:20 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=368</guid>
		<description><![CDATA[I&#8217;ve used the fleur-de-lys look for my blog for some time now. A while back I even modified the Gallery&#8217;s Siriux theme to match it (mostly). However, the bright background color wasn&#8217;t particularly suited for my gallery. So a while back I decided I would go dark&#8230; Deciding to switch to a dark theme, and [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve used the <a href="http://wpthemes.info/fleur-de-lys/">fleur-de-lys</a> look for my blog for some time now. A while back I even modified the Gallery&#8217;s Siriux theme to match it (mostly). However, the bright background color wasn&#8217;t particularly suited for my gallery. So a while back I decided I would go dark&#8230; Deciding to switch to a dark theme, and actually making it happen are two very different things. But this weekend I finally put myself to work, I started with the <a href="http://wordpress.org/extend/themes/pyrmont-v2">Pyrmont</a> theme, converting it&#8217;s GIFs to PNGs, and made most of it&#8217;s grey&#8217;s neutral (equal RGB values). A tinted (non-neutral) background can actually influence our color perception while viewing a photograph in front of that background. Then I changed the font to <a href="http://en.wikipedia.org/wiki/Helvetica">Helvetica</a> (Neue), and again modified Gallery&#8217;s Siriux theme to match it (mostly). My hacks on Siriux aren&#8217;t pretty, but it seems to work.</p>
<p>At this point everything it still a work in progress, but the most important stuff has already been done. I hope you&#8217;ll like it, even though most of you will be reading this through one of the Planet&#8217;s or maybe an RSS feed reader.</p>
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		<title>Dear Icon People</title>
		<link>http://blog.pcode.nl/2009/04/11/dear-icon-people/</link>
		<comments>http://blog.pcode.nl/2009/04/11/dear-icon-people/#comments</comments>
		<pubDate>Sat, 11 Apr 2009 15:46:45 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=348</guid>
		<description><![CDATA[Artwork for Linux (in the general sense) has dramatically improved over the past few years. Essential would have been the Tango project, which is pretty complete as we speak. Kudos for that! However, often less well known applications are forgotten. For example the following applications still do not have Tango styled icons: UFRaw TS Client [...]]]></description>
			<content:encoded><![CDATA[<p>Artwork for Linux (in the general sense) has dramatically improved over the past few years. Essential would have been the Tango project, which is pretty complete as we speak. Kudos for that! However, often less well known applications are forgotten. For example the following applications still do not have Tango styled icons:</p>
<ul>
<li>UFRaw</li>
<li>TS Client</li>
<li>Wireshark</li>
<li>Java (Web Start, Plugin Control Panel, Policy Tool)</li>
<li>Wine (<a href="http://lists.freedesktop.org/archives/tango-artists/2006-March/000307.html">this is not entirely true</a>)</li>
<li><a href="http://schools-wikipedia.org/">Wikipedia (for schools)</a> / generic Encyclopedia</li>
<li>and there&#8217;s probably more to be found&#8230;</li>
</ul>
<p>These applications blemish my pretty Ubuntu desktop. I realize that creating good Tango compliant icons is a time consuming non-trivial pursuit. Though I&#8217;d love to see someone creating these icons&#8230;</p>
<p>My basic message would be&#8230; please do not create another new differently styled icon set&#8230; I&#8217;d just like for Tango to grow, and get insane complete&#8230;</p>
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		<item>
		<title>Nearest book meme</title>
		<link>http://blog.pcode.nl/2008/11/15/nearest-book-meme/</link>
		<comments>http://blog.pcode.nl/2008/11/15/nearest-book-meme/#comments</comments>
		<pubDate>Sat, 15 Nov 2008 15:11:20 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=292</guid>
		<description><![CDATA[Oh well, let&#8217;s play along&#8230; There&#8217;s a meme going around that goes like this: Grab the nearest book. Open it to page 56. Find the fifth sentence. Post the text of the sentence in your journal along with these instructions. Don’t dig for your favorite book, the cool book, or the intellectual one: pick the [...]]]></description>
			<content:encoded><![CDATA[<p>Oh well, let&#8217;s play along&#8230; There&#8217;s a meme going around that goes like this:</p>
<ul>
<li>Grab the nearest book.</li>
<li>Open it to page 56.</li>
<li>Find the fifth sentence.</li>
<li>Post the text of the sentence in your journal along with these instructions.</li>
<li>Don’t dig for your favorite book, the cool book, or the intellectual one: pick the CLOSEST.</li>
</ul>
<p>My sentence went like this:</p>
<p style="padding-left: 30px;">&#8220;This is where we get the term <em>continuous tone</em>.&#8221;</p>
<p>I got this from the excellent book &#8220;<a href="http://www.colorremedies.com/realworldcolor/">Real World Color Management</a> (Second Edition)&#8221; from Peachpit Press.</p>
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		<title>The sudo Environment</title>
		<link>http://blog.pcode.nl/2008/06/22/the-sudo-environment/</link>
		<comments>http://blog.pcode.nl/2008/06/22/the-sudo-environment/#comments</comments>
		<pubDate>Sun, 22 Jun 2008 17:09:31 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=259</guid>
		<description><![CDATA[Most Ubuntu users are somewhat familiar with sudo. One of sudo&#8217;s security features makes sure your parent environment is cleaned before dropping downto root. Generally you want this! However I didn&#8217;t. When running pure-ftpd with it&#8217;s password database in a nonstandard location, it&#8217;s possible to pass the PURE_PASSWDFILE and PURE_DBFILE variables to all of it&#8217;s [...]]]></description>
			<content:encoded><![CDATA[<p>Most Ubuntu users are somewhat familiar with sudo. One of sudo&#8217;s security features makes sure your parent environment is cleaned before dropping downto root. Generally you want this! However I didn&#8217;t.</p>
<p>When running pure-ftpd with it&#8217;s password database in a nonstandard location, it&#8217;s possible to pass the PURE_PASSWDFILE and PURE_DBFILE variables to all of it&#8217;s binaries (including pure-pw). But obviously sudo think it&#8217;s all a bit too risky, and throws them away while executing pure-pw as root. Bummer!</p>
<p>Lucky for me, this is easily fixed. You can instruct sudo to keep specific environmental variables, like so (in /etc/sudoers):</p>
<p style="padding-left: 30px;">Defaults env_keep=&#8221;PURE_PASSWDFILE PURE_DBFILE&#8221;</p>
<p style="padding-left: 30px;">Defaults env_reset</p>
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		<title>Back</title>
		<link>http://blog.pcode.nl/2008/06/22/back/</link>
		<comments>http://blog.pcode.nl/2008/06/22/back/#comments</comments>
		<pubDate>Sun, 22 Jun 2008 16:17:14 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=258</guid>
		<description><![CDATA[The last month my website hasn&#8217;t been reachable, because my webhosting account expired. My hoster removed all my files, to make way for new customers. I was caught off guard, because the lamer I am, I never did make a proper backup. Luckily I did managed to backup my WordPress database. The worst of it [...]]]></description>
			<content:encoded><![CDATA[<p>The last month my website hasn&#8217;t been reachable, because my webhosting account expired. My hoster removed all my files, to make way for new customers. I was caught off guard, because the lamer I am, I never did make a proper backup. Luckily I did managed to backup my WordPress database.</p>
<p>The worst of it all was the fact, that I&#8217;ve had my own colocated machine available for some time now. Since I had to install everything again, I put the new Ubuntu LTS on my <a href="http://h18004.www1.hp.com/products/quickspecs/10902_div/10902_div.html">HP DL380 G2</a> server. Not wanting to clutter up my install with all the crap webhosting brings along, I went with <a href="https://help.ubuntu.com/community/OpenVZ">OpenVZ</a>, to virtualize/containerize my webhosting setup. My new setup uses <a href="http://www.lighttpd.net/">Lighttpd</a> instead of Apache, and thus far I&#8217;m loving it. I&#8217;m using XCache to accelerate PHP5. Besides <a href="http://blog.pcode.nl/">WordPress</a> I&#8217;ve also installed <a href="http://photos.pcode.nl/">Gallery2</a>. And with some fiddling, I got everything to look similar including most error pages and automatic directory indexing.</p>
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		<title>cURL is cool</title>
		<link>http://blog.pcode.nl/2008/02/02/curl-is-cool/</link>
		<comments>http://blog.pcode.nl/2008/02/02/curl-is-cool/#comments</comments>
		<pubDate>Sat, 02 Feb 2008 15:13:12 +0000</pubDate>
		<dc:creator>pmjdebruijn</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://blog.pcode.nl/?p=264</guid>
		<description><![CDATA[Most folks are quite familiar with wget, which is great. However is does have some shortcommings, cURL does address these. One of the most important of those would be  the possibility to customize the output cURL produces. Which can then be conveniently processed with sed and bc: curl -w “%{size_download} div %{time_total}\n\n” -s http://www.example.org/testfile  -o [...]]]></description>
			<content:encoded><![CDATA[<p>Most folks are quite familiar with wget, which is great. However is does have some shortcommings, cURL does address these. One of the most important of those would be  the possibility to customize the output cURL produces. Which can then be conveniently processed with sed and bc:</p>
<p>curl -w “%{size_download} div %{time_total}\n\n” -s http://www.example.org/testfile  -o /dev/null | sed ’s/div/\//’ | bc</p>
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