RabbitMQ suddenly fails to update using apt-get update/upgrade command on Ubuntu and it's derivatives. RabbitMQ updated their PGP key and this short article explains how to obtain and install the updated key so that you can install the latest greatness.
I was experiencing connection timeouts on my RabbitMQ daemons when the system had accumulated 90-minutes of inactivity. Even though I had enabled the native (to RabbitMQ) keep-alive feature, node.js connection requests were still crashing the system.
This article identifies why the heart-beat feature does not work in PHP and provides a work-around solution to the issue.
"What I was seeing was that, when I started the demon, I would get a success message (mongod start/running, process xxxxxx) but there would be no mongod process running. Additionally, even though I have my (development) logging set to the highest levels, not one error message appeared in the log to provide a hint as to why the service failed to start."
Quick and incredibly simple fix for when your wireless suddenly stops working on a Linux Mint-Cinnamon Dell Latitude laptop. Yeah, I'll cop to this...