How to quickly uninstall and install the node environment in linux

1. Uninstall npm first

sudo npm uninstall npm -g

2. Uninstall node

yum remove nodejs npm -y

See if there are any residues

Enter /usr/local/lib Delete all node and node_modules folders

Enter /usr/local/include Delete all node and node_modules folders

Enter /usr/local/bin Delete the node executable file

3. Install node

Download:

 wget https://cdn.npm.taobao.org/dist/node/v12.13.1/node-v12.13.1-linux-x64.tar.xz

Unzip:

 xz -d node-v12.13.1-linux-x64.tar.xz
 tar -xvf node-v12.13.1-linux-x64.tar

Move to local directory:

mv node-v12.13.1-linux-x64  /usr/local/

Rename:

mv /usr/local/node-v12.13.1-linux-x64/  /usr/local/node

Add environment configuration:

vim /etc/profile

Add content at the end of the file:

export NODE_HOME=/usr/local/node
export PATH=$NODE_HOME/bin:$PATH

Execute source to make the environment variables effective immediately.

source /etc/profile

Check the version and complete the installation as follows.

node -v

can output version information, that is, ok

npm -v

can output version information, that is, ok

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