Apache

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In this article, we are going to upgrade CentOS 6 to PHP 5.4 without using any third party repositories.

You might want to do this if you, like me, are using WordPress, and want to test your install before upgrading to CentOS 7, or if you have a plugin which requires PHP 5.4.

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I recently looked into learning Apache Hadoop. Big data and cloud services are where the internet is headed and having not had experience with big data yet, I thought it’d be a good idea to at least get my feet wet. I found a great article on CTO Vision┬áthat walks you through getting hadoop installed and started. Addendum: If you’re having problems with their instructions, like I was, there’s a complete breakdown at pyfunc’s page.

Fortunately, the config is XML-based, so its easy enough to understand once you get the basic syntax down. Unfortunately, the config CTO Vision linked to for Pseudo Distributed mode turned out to be a dead link (404) because Apache removed the Hadoop r0.20.2 documentation from their site sometime in the first half of 2013.

Luckily, I’m resourceful and know of a site other than google that caches web sites, and they just so happened to have a copy of the document I needed.

Continue reading “Hadoop r0.20.2 documentation — dead link — found a cached copy” »