$ sudo npm install vscode-languageserver
$ sudo npm install -g vscode-languageserver

If want to update the vscode-languageserver package execute the command as below,

$ sudo npm update vscode-languageserver

Update package globally,

$ npm install -g vscode-languageserver

Git clone:

$ sudo  git clone https://github.com/rektide/vscode-languageserver.git

$ sudo  npm install -g ./vscode-languageserver

vscode-languageserver@3.5.0 /usr/lib/node_modules/vscode-languageserver

How to remove vscode-languageserver package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall vscode-languageserver

Basic Information of vscode-languageserver NPM Package: