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center os install nodejs

May 28, 2023 am 09:56 AM

The central server is the core network device of many organizations and needs to run various applications and scripts, including Node.js. Node.js is an open source, cross-platform, fast and scalable JavaScript runtime environment. This article will introduce you how to install Node.js on CentOS.

Step 1: Update the system

Before installing Node.js, you first need to ensure that the system has been updated to the latest version. Update the system using the following command:

sudo yum update
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After completing the update, reboot the system for the changes to take effect.

Step Two: Install Node.js Dependencies

Node.js requires some local dependencies to function properly. Install these dependencies using the following command:

sudo yum install curl gcc-c++ make
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Step Three: Install Node.js

To install Node.js on CentOS, it is best to use the NodeSource repository. Use the following command to add the NodeSource repository to the CentOS system:

curl -sL https://rpm.nodesource.com/setup_14.x | sudo -E bash –
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Please note that in the above command, we are using the Node.js 14.x version, you can change it by replacing "14" with other version number to install other versions.

Next, install Node.js using the following command:

sudo yum install nodejs
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Once the installation is complete, verify that Node.js has been installed correctly by running the following command:

node -v
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If All goes well and you should see the version information for Node.js.

Step 4: Install NPM

NPM (Node Package Manager) is a package manager that is used to install and manage Node.js software packages. NPM is automatically installed when installing Node.js on CentOS.

To verify that NPM has been installed correctly, run the following command:

npm -v
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If all goes well, you will see the version information of NPM.

Step 5: Using Node.js

You have now successfully installed Node.js. To run a Node.js server or execute a Node.js script, run the following command:

node script.js 或 node server.js
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Note that in this example, "script.js" and "server.js" are the ones you want to run. The name of the script and server. Make sure to upload npm packages to the server before running them.

Summary

Node.js is a very popular JavaScript runtime environment that developers can use to build a variety of applications and scripts. This article shows you how to easily install Node.js on CentOS and run tasks with it. You should now have successfully installed Node.js and be ready for the next step.

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