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Daemonize A Ruby Process

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Daemonize A Ruby Process

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Here's a neat thing I found. I needed a small bit of Ruby code to run continuously in the background, but because of how Capistrano can't seem to work well with "nohup" and "&" (background job), my ruby script itself needed to be able to fork and detach from the terminal. Here's how you do it:


pid = fork do
  loop do

    // Some code

    sleep 1.minute


In my case, I just needed some code to run each minute, but it is part of a Rails app, so I didn't just want to start it with cron every minute (Rails loading is expensive). Neat eh?

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