The case of the mysterious external services

There’s something wrong with this picture. And it has to do with “All External.”

We’re using a few different tools at the J-School to monitor performance and uptime of our webserver. Munin is one, Pingdom is another, a bash script running on cron is a third, and the fancy New Relic is the last. Two weeks ago, just as I’m leaving NYC to ski on the west coast, the bash script, which downloads the homepage of two sites every two minutes and greps the response, starts sending email notifications of response failures. Continue reading “The case of the mysterious external services”