Exercise 2: PM2 Restarting a Crashed Process — Possible Solution
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SETUP
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pm2 start server.js --name website-express
pm2 save

CONFIRMATION
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pm2 list shows website-express running with a real process ID (PID).

Finding that PID and killing it directly, bypassing PM2 entirely:

  kill -9 <pid>

Running pm2 list again immediately afterward shows website-express
still present, now with a new PID and its own restart count
incremented by one - PM2 detected the process died and started a
fresh instance automatically, with no manual intervention, the exact
same behavior already confirmed for the Astro rebuild's own Chapter 11.

WHY THIS WORKS AS AN ANSWER
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It correctly starts the server under PM2's own supervision, correctly
simulates a genuine crash by killing the process directly, and
correctly confirms PM2's own automatic restart via the incremented
restart count and new PID.