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diagnose an error-less server crash

Posted on December 31, 2021

I’ve had a Debian droplet for years now, running some node / Express apps, so I’m pretty familiar with the usual code-based crashes.

However I’ve noticed sometimes there is no error. The CPU usage looks totally normal like, 10%. I do have several apps running on one droplet though. (Usually zero users on) So one thought was if I ran out of server resources - that might cause a silent crash ?

How would I go about diagnosing this ? Is there another log besides the stdout log from pm2 ?

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