How to Set Up Node.js

# Ubuntu/Debian
curl -fsSL https://deb.nodesource.com/setup_lts.x | bash -
apt install nodejs -y

# CentOS/AlmaLinux
curl -fsSL https://rpm.nodesource.com/setup_lts.x | bash -
dnf install nodejs -y

# Verify
node --version
npm --version

Running a Node.js App in Production with PM2

# Install PM2 globally
npm install -g pm2

# Start your application
pm2 start app.js --name "my-app"

# Set PM2 to start on boot
pm2 startup
pm2 save

# Other useful commands
pm2 list          # List running apps
pm2 logs my-app   # View logs
pm2 restart my-app
pm2 stop my-app