[varnish]: https://www.varnish-cache.org/ [monit]: http://mmonit.com/monit/ We put almost all of our Drupal sites behind the excellent [Varnish HTTP accelerator][varnish], and it gives us a massive performance boost for most site visitors. However it seems to have a tendency to crash without warning and occasionally just dies, leaving our sites down. We workaround this issue by using another piece of useful kit, called [Monit][monit], that keeps an eye on processes on your server and restarts them if...
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