There are plenty of tools out there to check your website uptime. I'm looking for a tool that does the opposite...that is I send a 3rd party a message once a minute and it alerts me if it misses one.
My problem is I have a long running process that randomly hung one day. I wasn't able to get to the bottom of it and it hasn't happened since but I want to monitor it. I'm using upstart on Ubuntu to monitor the process and restart it if it crashes...the problem is it didn't crash just hanged.
For the reverse uptime monitoring service, https://deadmanssnitch.com is one.
As a recommendation for efficiently monitoring processes, try one of these: