Deno 2 is a modern JavaScript and TypeScript runtime that is secure by default, requires no package.json, and has first-class TypeScript support. Released in 2024, it is now Node.js-compatible. This guide installs Deno 2 on Ubuntu 24.04 LTS.

Tested and valid on:

Ubuntu 24.04 LTS

Prerequisites

Ubuntu 24.04 LTS server or desktop
A user account with internet access

Step 1 – Install Deno

Install Deno using the official installer script:

curl -fsSL https://deno.land/install.sh | sh

Step 2 – Add Deno to PATH

Add the Deno binary location to your PATH:

echo 'export DENO_INSTALL="$HOME/.deno"' >> ~/.bashrc
echo 'export PATH="$DENO_INSTALL/bin:$PATH"' >> ~/.bashrc
source ~/.bashrc

Step 3 – Verify the Installation

Check the Deno version:

deno --version

Step 4 – Run a Hello World Script

Create and run a simple TypeScript script:

echo "console.log('Hello from Deno 2 on Ubuntu 24.04!');" > hello.ts
deno run hello.ts

Step 5 – Run a Web Server

Deno has a built-in HTTP server. Create server.ts:

Deno.serve({ port: 8000 }, (_req) => {
  return new Response('Hello from Deno 2!', { status: 200 });
});

Run it:

deno run --allow-net server.ts

Step 6 – Use Deno with npm Packages

Deno 2 supports npm packages with the npm: specifier:

deno run --allow-net npm:express

Step 7 – Update Deno

Update Deno to the latest version:

deno upgrade

Conclusion

Deno 2 is now installed on Ubuntu 24.04 LTS. Its built-in TypeScript support, secure-by-default permissions, and npm compatibility make it a compelling alternative to Node.js for new projects.

How to Install Deno 2 on Ubuntu 24.04