Update cheatsheets

pm2

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pm2
+
+> Process manager for Node.js.
+> Used for log management, monitoring and configuring processes.
+> More information: <https://pm2.keymetrics.io>.
+
+- Start a process with a name that can be used for later operations:
+
+`pm2 start {{app.js}} --name {{application_name}}`
+
+- List processes:
+
+`pm2 list`
+
+- Monitor all processes:
+
+`pm2 monit`
+
+- Stop a process:
+
+`pm2 stop {{application_name}}`
+
+- Restart a process:
+
+`pm2 restart {{application_name}}`
+
+- Dump all processes for resurrecting them later:
+
+`pm2 save`
+
+- Resurrect previously dumped processes:
+
+`pm2 resurrect`