PM2 will keep applications running, as long as it is running itself. But if PM2 itself is terminated (for example, as a result of a reboot), then we must also configure PM2 to automatically restart. Very conveniently, PM2 provides a startup command, which outputs a script for you to run on your terminal:
hobnob@hobnob:$ npx pm2 startup[PM2] Init System found: systemd[PM2] To setup the Startup Script, copy/paste the following command:sudo env PATH=$PATH:/home/hobnob/.nvm/versions/node/v8.11.4/bin /home/hobnob/projects/hobnob/node_modules/pm2/bin/pm2 startup systemd -u hobnob --hp /home/hobnob
Run the script to ensure PM2 starts on boot. Now, when you log out of your terminal session, or when the application crashes unexpectedly, ...
