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	<title>troeger.eu</title>
	<link>http://www.troeger.eu/cms</link>
	<description>Home of Peter Tröger</description>
	<lastBuildDate>Wed, 28 Jul 2010 22:01:37 +0000</lastBuildDate>
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	<item>
		<title>Official Debian repository for Condor available</title>
		<description><![CDATA[6 years (!) after my initial Debian ITP (see here) and all the hard work on a custom Condor Debian package, they finally made it too:
http://www.cs.wisc.edu/condor/debian/
The Condor people are now offering there own Debian repository for the (longer existing) Condor DEB files. This allows you to have a decently updated Debian-based cluster with the latest [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=247</link>
			</item>
	<item>
		<title>EFI support in physical and virtual machines</title>
		<description><![CDATA[I am currently collecting the possibilities of getting EFI support in both physical and virtual machines. Here are the results I got so far. The list is constantly updated. EFI vendor and revision numbers are taken from the &#8220;ver&#8221; command in the EFI shell. Feel free to contribute !



Hardware
Processor Platform
EFI Vendor
EFI Specification
EFI Revision


Apple Computers with [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=216</link>
			</item>
	<item>
		<title>GPU in the cloud &#8211; somehow</title>
		<description><![CDATA[HPCwire explains in a recent article how NVIDIA wants to offer access to a remote rendering cluster called &#8216;RealityServer&#8217;. The current description sounds more like a typical remote software offer (&#8217;software as a service&#8217;, if you prefer), and not like remotely accessible raw GPU cores, as the title suggests. Anyway, worthwhile a look&#8230;
http://www.nvidia.com/object/realityserver.html
]]></description>
		<link>http://www.troeger.eu/cms/?p=207</link>
			</item>
	<item>
		<title>Cloud APIs</title>
		<description><![CDATA[My home standardization body OGF published the first list of requirements for a Open Cloud Computing Interface. One of the more interesting parts of this spec is the feature matrix for existing cloud APIs to be considered:

Amazon Elastic Compute Cloud
ElasticHosts
Flexiscale
GoGrid
Sun Cloud API
Rackspace Cloud Servers
WMware vSphere

Their analysis shows some interesting facts:

Amazon does not support persistent computer [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=205</link>
			</item>
	<item>
		<title>SingleCall activation and static variables</title>
		<description><![CDATA[In my middleware course, I asked the question of how to realize a statefulSingleCall remoting server. I expected to hear something about external state storage, e.g. in a database. To my surprise, most students proposed to use a static variable in the server implementation for keeping the state between calls.
This idea results from a pure [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=204</link>
			</item>
	<item>
		<title>.NET Sources</title>
		<description><![CDATA[I was completely unaware of this, but since Visual Studio 2008, you can debug into the .NET class library sources. Shawn Burke has a good explanation how it works.
]]></description>
		<link>http://www.troeger.eu/cms/?p=203</link>
			</item>
	<item>
		<title>Move page, keep rank</title>
		<description><![CDATA[If an existing web presentation is moved to a new URL scheme or domain, most people are unsure about their precious Google page ranking. Most sources agree about the following rules:

 Redirect every single URL by answering with HTTP error code 301 (Moved permanently). A 301 permanent redirect is not considered webspam by Google. Make [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=201</link>
			</item>
	<item>
		<title>MRSC 2009 Conference</title>
		<description><![CDATA[I attended the MRSC 2009 conference, taking place at the Zuse institute in Berlin. Some impressions:

The conference claims to be a &#8220;many-core and reconfigurable supercomputing conference&#8221;. In fact, it was more about FPGA-based hardware accelerators than about many-core technologies. The mixture of industry and academia talsk was quite interesting. And the catering was really good [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=200</link>
			</item>
	<item>
		<title>Domain map</title>
		<description><![CDATA[If you need a nice geek present, check this one.
http://www.domain-karte.de/
The german ISP company United Domains offers this map for sale, or even for free if you write a short notice about them in your blog. Just as I do   &#8230; 

]]></description>
		<link>http://www.troeger.eu/cms/?p=198</link>
			</item>
	<item>
		<title>Isolating a CPU / core in Linux</title>
		<description><![CDATA[For some measurement task, we needed to isolate one CPU core on an Intel Quad Core machine under Linux 2.6. With the background of SMP and NUMA system support, Linux provides the following options:

isolcpus=[]: This is an old kernel boot parameter, which allows the isolate one or more CPU&#8217;s from the scheduler. Processes can still [...]]]></description>
		<link>http://www.troeger.eu/cms/?p=197</link>
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