Vagrant - npm install doesn't work

Question

Have a trouble to run npm install in Vagrant. Get this message. I have installed modules in root dir (Before I started vagrant ssh ) But I need it to install after vagrant ssh

Last login: Sun Jun 11 09:25:02 2017 from 10.0.2.2
vagrant@vagrant-ubuntu-trusty-64:~$ npm install
The program 'npm' is currently not installed. To run 'npm' please ask your administrator to install the package 'npm'
vagrant@vagrant-ubuntu-trusty-64:~$ cd /vagrant
vagrant@vagrant-ubuntu-trusty-64:/vagrant$ npm install
The program 'npm' is currently not installed. To run 'npm' please ask your administrator to install the package 'npm'
vagrant@vagrant-ubuntu-trusty-64:/vagrant$ 

Answer 1

you need to install node and npm

$ sudo apt-get update
$ sudo apt-get install nodejs npm