Master Node.js: How to Install on CentOS 7

This article provides a step-by-step guide on how to install Node.js on CentOS 7, a popular Linux distribution. It covers the installation process and necessary dependencies, ensuring a smooth setup.

Check CentOS Version

Before installing Node.js, it is important to check the version of CentOS 7 you are using. This subheading explains how to verify the CentOS version on your system.

Update System Packages

To ensure the latest packages are available, updating the system is crucial. This subheading outlines the commands required to update CentOS 7 packages before proceeding with the Node.js installation.

When installing Node.js on CentOS 7, it is essential to update the system packages first. This ensures that you have the latest versions of the packages required for a smooth installation process. To update the system, follow these steps:

Open the terminal on your CentOS 7 system.
Run the command sudo yum update to update all the installed packages.
Enter your password when prompted.
Wait for the system to download and install the updates. This may take some time depending on your internet connection.
Once the update process is complete, you can proceed with the Node.js installation.

By updating the system packages, you ensure that you have the latest bug fixes, security patches, and enhancements. This helps in creating a stable and secure environment for your Node.js applications.

Install EPEL Repository

The EPEL repository is necessary for installing certain dependencies. It provides additional packages that are not available in the default CentOS repositories. To install the EPEL repository on CentOS 7, follow these steps:

Open a terminal on your CentOS 7 system.
Run the following command to download the EPEL repository package:

sudo yum install epel-release

Press ‘y’ and then hit Enter to confirm the installation.
Once the installation is complete, the EPEL repository will be enabled by default.

Now you have successfully installed the EPEL repository on CentOS 7. This repository will allow you to install the necessary dependencies for various software packages.

Enable EPEL Repository

Once installed, the EPEL repository needs to be enabled. This subsubheading explains the steps to enable the EPEL repository on CentOS 7.

Enabling the EPEL repository on CentOS 7 is a straightforward process. Follow the steps below to enable the repository:

Open a terminal window on your CentOS 7 system.
Switch to the root user by running the command su - and entering the root password.
Run the following command to install the EPEL repository package:

  yum install epel-release

After executing this command, the EPEL repository will be installed on your CentOS 7 system.

That’s it! You have successfully enabled the EPEL repository on CentOS 7. Now, you can proceed with the installation of any packages that require the EPEL repository.

Install Development Tools

Development tools play a crucial role in the installation process of Node.js on CentOS 7. These tools are necessary for building and compiling software, ensuring a smooth and successful installation. To install the development tools on CentOS 7, follow the steps below:

Open the terminal on your CentOS 7 system.
Run the following command to install the development tools:

sudo yum groupinstall "Development Tools"

This command will install a collection of development tools, including compilers, libraries, and other necessary components. It enables you to compile and build software, including Node.js.

Once the installation is complete, you will have all the essential tools required for the Node.js installation process on CentOS 7.

Install Node.js

This subheading provides the commands and steps to install Node.js on CentOS 7. It includes downloading the Node.js package and running the installation process.

To install Node.js on CentOS 7, follow these steps:

First, open your terminal.
Next, update your system’s packages by running the command: sudo yum update
Once the update is complete, you can proceed with the installation of Node.js.
Download the Node.js package by running the command: curl -sL https://rpm.nodesource.com/setup_14.x | sudo bash -
After the download is complete, install Node.js by running the command: sudo yum install nodejs

Once the installation process is finished, you can verify the installation by checking the Node.js version. Run the command: node -v

That’s it! You have successfully installed Node.js on CentOS 7 and can now start using it for your projects.

Verify Node.js Installation

After successfully installing Node.js on CentOS 7, it is crucial to verify that the installation was successful and that Node.js is functioning properly. To do this, you can check the version of Node.js installed on your system. Open a terminal and type the following command:

node -v

This command will display the version number of Node.js installed on your CentOS 7 system. If you see the version number displayed, it means that Node.js has been installed correctly and is ready to use. Congratulations!

Install npm

Installing npm is a crucial step in managing and installing packages for Node.js on CentOS 7. npm, which stands for Node Package Manager, allows you to easily install, update, and manage dependencies for your Node.js projects.

To install npm on CentOS 7, follow these steps:

Open your terminal or SSH into your CentOS 7 server.
Update your system packages by running the command sudo yum update. This ensures that you have the latest packages and dependencies.
Next, install npm by running the command sudo yum install npm. This command will install npm and its dependencies from the default CentOS repositories.
Once the installation is complete, you can verify the npm version by running the command npm -v. This will display the installed version of npm.

With npm successfully installed on CentOS 7, you are now ready to manage and install packages for your Node.js projects with ease.

Install Global Packages

Installing global packages in Node.js is essential for utilizing them across various projects. By installing global packages, you gain access to a wide range of functionalities and tools that can enhance your development process.

To install global packages using npm on CentOS 7, follow these steps:

Open your terminal or command prompt.
Ensure that npm is installed on your system by running the command npm -v. If npm is not installed, refer to the previous section on how to install npm.
Once you have confirmed that npm is installed, you can proceed to install global packages by running the command npm install -g package-name, replacing package-name with the name of the package you wish to install globally.
Wait for the installation process to complete. npm will download the package and its dependencies, and install it globally on your system.
Once the installation is finished, you can start using the global package in your Node.js projects.

Installing global packages using npm is a straightforward process that allows you to extend the functionality of your Node.js projects. By following the steps outlined above, you can easily install and manage global packages on CentOS 7.

Frequently Asked Questions

Q: How do I check the version of CentOS 7 I am using?

A: To check the version of CentOS 7, you can use the command cat /etc/centos-release. This will display the CentOS version on your system.

Q: Why is it important to update system packages before installing Node.js?

A: Updating system packages ensures that you have the latest versions and security patches. It also resolves any potential conflicts or dependencies that may arise during the installation process of Node.js.

Q: How do I install the EPEL repository on CentOS 7?

A: To install the EPEL repository, you can use the command sudo yum install epel-release. This will install the necessary repository for installing certain dependencies required for Node.js.

Q: How do I enable the EPEL repository on CentOS 7?

A: After installing the EPEL repository, you can enable it by running the command sudo yum-config-manager --enable epel. This will enable the repository and allow you to access the packages it provides.

Q: Why do I need to install development tools for Node.js installation?

A: Development tools are essential for building and compiling software, including Node.js. These tools ensure that the installation process goes smoothly and that all necessary dependencies are properly handled.

Q: How do I install Node.js on CentOS 7?

A: To install Node.js on CentOS 7, you can follow these steps:
1. Download the Node.js package using wget or curl.
2. Extract the package using tar.
3. Move the extracted folder to a desired location.
4. Set the Node.js environment variables.
5. Verify the installation by checking the Node.js version using node -v.

Q: How can I verify if Node.js has been successfully installed?

A: After installation, you can verify the Node.js installation by running the command node -v. This will display the version of Node.js installed on your system. Additionally, you can also check the npm version using npm -v.

Q: How do I install npm on CentOS 7?

A: To install npm, the package manager for Node.js, you can use the command sudo yum install npm. This will install npm and allow you to manage and install packages for your Node.js projects.

Q: How can I install global packages using npm on CentOS 7?

A: To install global packages using npm, you can use the command npm install -g <package-name>. Replace <package-name> with the name of the package you want to install globally. This will make the package accessible across different Node.js projects on your CentOS 7 system.