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HomeWeb Front-endFront-end Q&Anodejs install npm debian 9
nodejs install npm debian 9May 11, 2023 pm 10:27 PM

Node.js is a fast open source JavaScript runtime environment that can execute JavaScript code on the server side. NPM is the official package manager of Node.js, which can help you install and manage various modules (or packages) in the Node.js environment. In this article, we will learn how to install Node.js in Debian 9 and make its built-in package manager NPM available.

Step 1 - Install Node.js

First, we need to install Node.js on Debian 9. Node.js can be installed in your system using the following command.

sudo apt-get update
sudo apt-get install nodejs

This will install Node.js and its related dependencies. However, at this time we cannot use NPM because it is not installed.

Step 2 - Install NPM

NPM is the official package manager for Node.js and we can install it on Debian 9 with the following command.

sudo apt-get install npm

You can find multiple versions of NPM in the default repository for Debian 9 (Stretch). We can use the following command to automatically install NPM into the USR/LOCAL/BIN directory, so that NPM can be used in any directory.

sudo ln -s /usr/bin/nodejs /usr/local/bin/node
sudo ln -s /usr/bin/npm /usr/local/bin/npm

Step 3 - Verify NPM Installation

In order to verify that NPM has been installed successfully, you can use the following command to check its version.

npm -v

If NPM is installed, its version number will be displayed. You can use the following command to view all installed global packages and their versions.

npm list -g --depth 0

The above command will display all installed global modules. Here, the "-g" flag indicates a global installation, and "--depth 0" will only display the first level of modules, which makes the output on the screen very regular and not filled with useless information.

After completing the above steps, you have successfully installed and set up Node.js and NPM on Debian 9. Now you can use Node.js and NPM in your system, as well as install any necessary NPM modules or packages from the official NPM repository.

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