How To Install Deno JavaScript Runtime on Ubuntu 20.04 LTS

Install Deno JavaScript Runtime on Ubuntu 20.04

In this tutorial, we will show you how to install Deno JavaScript Runtime on Ubuntu 20.04 LTS. For those of you who didn’t know, Deno is a simple, modern, and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust. it has high compatibility with existing JavaScript code written with full support for ECMAScript standards.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step-by-step installation of the Deno JavaScript Runtime on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.

Install Deno JavaScript Runtime on Ubuntu 20.04 LTS Focal Fossa

Step 1. First, make sure that all your system packages are up-to-date by running the following apt commands in the terminal.

sudo apt update
sudo apt upgrade
sudo apt unzip

Step 2. Installing Deno JavaScript Runtime on Ubuntu 20.04.

Now we download the latest version of the Deno engine from Github using curl the command:

cd /tmp
curl -Lo "deno.zip" "https://github.com/denoland/deno/releases/latest/download/deno-x86_64-unknown-linux-gnu.zip"

After downloaded unzip the file and move the Deno environment file to /usr/bin directory by running the command below:

sudo unzip -d /usr/local/bin /tmp/deno.zip

Verify Deno installation:

deno --version

Step 3. Using the Deno REPL.

Once successfully installed, use the Deno REPL(read-eval-print loop). It will let you type in things and have them evaluated right away. For example, we create a JavaScript array, then use the join() method of that array to combine ‘hello’ with ‘world’:

deno
['hello', 'world'].join(' ')

After running the script above, Deno returns to its usual prompt ( > ). Quit out of the REPL by hitting CTRL+D. You should now be back in your shell outside of Deno.

Congratulations! You have successfully installed Deno. Thanks for using this tutorial for installing the Deno JavaScript Runtime on Ubuntu 20.04 LTS (Focal Fossa) system. For additional help or useful information, we recommend you check the official Deno website.

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