How to uninstall nodejs and clear configuration

Node.js is a very popular back-end JavaScript running environment. It is very powerful and can be used to develop server-side applications, command line tools, etc. However, when we need to clean or uninstall Node.js, we may encounter many problems. In order to solve these problems, this article will introduce how to uninstall Node.js and clear its related configuration.

1. Uninstall Node.js

To uninstall Node.js, we can use the uninstall tool provided by the system or manually delete the files.

In Windows systems, you can uninstall Node.js through "Control Panel" - "Uninstall a Program", or you can run the Node.js installation file and select the "Delete" option to uninstall.

In macOS system, you can find Node.js in the "Applications" folder and drag it to the trash can to uninstall it.

For Linux systems, you can use the package manager to uninstall Node.js. For example, on Ubuntu, you can uninstall with the following command:

sudo apt-get remove --purge nodejs

2. Clear residual files

After uninstalling Node.js, in order to clear residual files, we need to execute the following Operation:

2.1 Delete the Node.js installation directory

Manually delete all related files in the installation directory. Node.js is usually located in the following directory:

Windows: C:Program Files
odejs or C:Program Files (x86)
odejs

macOS: /usr/local/ Any files in bin and /usr/local/lib usually have node and node_modules prefixes

Linux: Any files in /usr/local/bin and /usr/local/lib usually have node and node_modules prefix

2.2 Clear the global node_modules directory

You can use the following command to clear the files in the global node_modules directory:

Windows:

rmdir /s %APPDATA%
pm
rmdir /s %APPDATA%
pm-cache

macOS/Linux :

sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*}

2.3 Find and delete system environment variables related to Node.js

When we use Node.js, several environment variables may be set in the system, such as NODE_PATH, NODE_ENV, etc. . To delete these environment variables, we need to find and delete them in the system environment variables.

Windows:

Delete variables such as NODE_PATH and NODE_ENV in "Environment Variables".

macOS:

Run the following command in the terminal:

nano ~/.bash_profile

Delete the NODE_PATH, NODE_ENV and other variables, and save the file.

Linux:

Run the following command in the terminal:

nano ~/.bashrc

Delete the NODE_PATH, NODE_ENV and other variables, and save the file.

3. Summary

Uninstalling Node.js and clearing its associated configuration is a simple but important process. This article introduces how to uninstall Node.js and the steps to clear residual files. Through cleaning operations, we can avoid problems caused by residual files and configurations and ensure that the environment in the system is clean.

The above is the detailed content of How to uninstall nodejs and clear configuration. For more information, please follow other related articles on the PHP Chinese website!