How to Install PM2 on Ubuntu 26.04

To install PM2 on Ubuntu 26.04, use npm and a small Node app (install Node.js first).

Step 1 : Install PM2.

sudo npm install -g pm2

Step 2 : Create a test app.

tee ~/app.js <<'EOF'
const http = require('http');
http.createServer((req, res) => {
  res.end('Hello from PM2\n');
}).listen(3010);
EOF

Step 3 : Start it.

pm2 start ~/app.js --name demo

Step 4 : Check status.

pm2 status

Step 5 : Allow the app port.

sudo ufw allow 3010/tcp

Step 6 : Open the app by server IP in a browser.

http://192.168.1.50:3010

Step 7 : Enable startup on boot. Run the sudo env PATH=... command that PM2 prints.

pm2 startup

Step 8 : Save the process list.

pm2 save

You have installed PM2 on Ubuntu 26.04.