Question 1

How do I install Node.js on a VPS?

Accepted Answer

Use nvm (Node Version Manager) for easy version management: "curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash", then "nvm install --lts". Alternatively, use NodeSource repositories for apt/yum installation.

Question 2

Should I use PM2 for Node.js in production?

Accepted Answer

Yes! PM2 is essential for production Node.js. It provides process management, automatic restarts on crash, cluster mode for multi-core usage, log management, and monitoring. Install with "npm install -g pm2".

Question 3

Which Node.js version should I use?

Accepted Answer

Use the latest LTS (Long Term Support) version for production. LTS versions receive security updates for 30 months. As of 2024, Node.js 20 LTS is recommended. Avoid odd-numbered versions in production.

Question 4

How do I configure Node.js for production?

Accepted Answer

Set NODE_ENV=production, use PM2 cluster mode, configure proper memory limits with --max-old-space-size, enable reverse proxy (Nginx) for SSL and static files, and implement proper error handling and logging.

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