debian9 install nodejs

It is very common to use Node.js in Linux systems. Node.js is an efficient platform that allows you to easily build and run JavaScript applications. Debian 9 is a very popular Linux distribution that can be used to install and run Node.js. This article will provide you with the steps and instructions for installing Node.js.

Step 1: Update the system

Before installing Node.js, you need to ensure that your Debian 9 system has been updated. Update your system with the following command:

sudo apt-get update && sudo apt-get upgrade

Step 2: Add the repository for Node.js

To install Node.js, you first need to add the official repository. Run the following command to add the repository:

curl -sL https://deb.nodesource.com/setup_12.x | sudo bash -

This command will add a repository called NodeSource and automatically download and install the KEY files it requires.

Step 3: Install Node.js

After adding the repository, you can install Node.js on Debian 9 via the following command:

sudo apt-get install nodejs

Once the installation is complete, you can via The following command checks whether Node.js has been installed:

node --version

If you see the output Node.js version, it means it has been installed successfully.

Step 4: Install npm

npm is the package manager for Node.js. It is very useful for installing and managing the dependencies required by your application. Run the following command to install npm:

sudo apt-get install npm

After the installation is complete, you can check whether npm is installed by running the following command:

npm --version

If you see the output npm version, it has been successfully installed. .

Step 5: Test Node.js

After completing the above steps, you can use the following command to test Node.js:

node -e 'console.log("Node.js is installed!")'

If you see "Node.js Installed!" message should indicate that Node.js has been successfully installed.

Summary:

This article introduces how to install Node.js and npm on Debian 9. By following the above steps, you can easily set up Node.js on your Debian 9 system. Now you can develop and run JavaScript applications!

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