Install Node.js AND npm LTS on Debian 9 stretch

To  install Node.js and npm, you first need to install curl

sudo apt install curl

 Then use this command to add the required repository to your system.

 The command will also update the package database afterwards

curl -sL https://deb.nodesource.com/setup_6.x | sudo bash -

  

 Use this command to install Node.js and npm

sudo apt install nodejs

Finally, verify that Node.js is installed

node —version

> v6.15.1

You may also use this command to provide more details about the installed packages

 

npm version

{ npm: ‘3.10.10’,
ares: ‘1.10.1-DEV’,
http_parser: ‘2.8.0’,
icu: ‘58.2’,
modules: ’48’,
napi: ‘3’,
node: ‘6.15.1’,
openssl: ‘1.0.2q’,
uv: ‘1.16.1’,
v8: ‘5.1.281.111’,
zlib: ‘1.2.11’ }