Hi! I'm Dane Carlson, and welcome to the Business Opportunities Weblog. I've been publishing this website, by myself, and sometimes with the help of others for over twelve years now. You'll notice two things about this site right away:

  • We have tons of content. In fact, since November 2011, I've published more than 26,000 posts on thousands of different business ideas and opportunities.
  • We don't sell much advertising. In late 2013, I realized that by selling advertising, what I was really selling was my readers. In 2014, I've already radically cut down on the number of ads and will hopefully keep cutting.

Sorry for the interruption this morning. The site was up and down and might not have been reachable for you. I’ve implemented some changes to the server setup that should prevent these kinds of problems in the future.

Warning, geek below.

For those of you with a technical bent, or the just plain curious, I’ve installed Nginx as a reverse proxy server over the top of WordPress and Apache.

When using Apache by itself, Apache opens a connection and hits PHP on the server on each and every request for a file. Since many pages on the blog have dozens if not hundreds of individual elements, that ends up being huge number of connections. Apache keeps these connections open, even after the server has delivered the file, which can, with a high number of visitors, eventually bog down and kill the server.

With Nginx, the the proxy server caches all of the requests it receives from different users and only passes on requests to Apache when it is asked for a new file that hasn’t been previously requested by someone.

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Originally posted by Dane Carlson on June 20, 2012 in Administrivia.

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