How to install Node.js and NPM on CentOS

Node.js is a JavaScript runtime built on Chrome’s V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js’ package ecosystem, npm, is the largest ecosystem of open source libraries in the world. In this article we will explain the steps of installing node.js and npm in CentOS.

Step A: Add node.js yum repository

First we need to add yum repository of node.js to our system which is sourced from nodejs’ official website. Run the following commands in succession to add the yum repository.

# yum install -y gcc-c++ make
# curl -sL https://rpm.nodesource.com/setup_12.x | sudo -E bash -

Step B: Installation of node.js and NPM

Now it’s time to install the node.js package and NPM package. Run the following command to do so. This single command will install node.js, npm and also other dependent packages.

# yum install nodejs

Step C: Check versions

Having installed the packages, you need to check their versions.

For checking node.js version:

# node -v 
v12.16.1

For checking npm version:

# npm -v 
6.13.4

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