Making a Non-Spamming Alert using Diff

Being on pager duty is a downer. And it’s a big mistake that ruins the on-call or first-responder position when you allocate no-no time to actually invest in a useful reporting platform. Like many before me, I used to create exactly that evil: write a bash script, and throw it in cron.

Example of the Wrong Method… (Read the rest at Freedom Penguin)