How to upgrade nodejs version

Upgrade method: 1. Use the "npm cache clean -f" command to clear the npm cache; 2. Use the "npm install -g n" command to install the n module; 3. Use the "n version number" command to upgrade to the specified version, or use the "n stable" command to upgrade to the latest stable version.

The operating environment of this tutorial: CentOS 6 system, nodejs version 12.19.0, DELL G3 computer.

The development of Node.js is very active, and its latest stable version also changes frequently. From time to time, you will find that a module cannot be used on your current Nodejs version. At this time, you need to upgrade the Nodejs version. So how to upgrade?

You can use the Node Binary management module "n" to upgrade the nodejs version. Let's take a look at the upgrade steps:

1. Install the n module

Check the current node version:

node –v

Clear npm cache

npm cache clean -f

Install n module:

npm install -g n

2. Upgrade the Nodejs version

Upgrade to the specified version/latest version (this step may take some time). Before upgrading, you can executen ls(to view the upgradeable versions), such as:

n 6.9.1

Or you can Tell the manager to install the latest stable version

n stable

After the installation is completed, check the version of Node and check whether the upgrade is successful

node -v

Note: If the version information obtained is incorrect, you You may need to restart the machine

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