How to make sure an application keeps running on Linux

Question

I\'m trying to ensure a script remains running on a development server. It collates stats and provides a web service so it\'s supposed to persist, yet a few times a day, it

Answer 1

Monit is perfect for this :)

You can write simple config files which tell monit to watch e.g. a TCP port, a PID file etc

monit will run a command you specify when the process it is monitoring is unavailable/using too much memory/is pegging the CPU for too long/etc. It will also pop out an email alert telling you what happened and whether it could do anything about it.

We use it to keep a load of our websites running while giving us early warning when something's going wrong.

-- Your faithful employee, Monit