I attempted to install nativefier on my computer, but an error occurred with this present on the terminal :
npm ERR! Linux 4.15.0-43-generic
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "install" "nativefier" "-g"
npm ERR! node v8.10.0
npm ERR! npm v3.5.2
npm ERR! path /usr/local/lib
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib'
npm ERR! { Error: EACCES: permission denied, access '/usr/local/lib'
npm ERR! errno: -13,
npm ERR! code: 'EACCES',
npm ERR! syscall: 'access',
npm ERR! path: '/usr/local/lib' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.
npm ERR! Please include the following file with any support request:
npm ERR! /home/lenovo/npm-debug.log
sudo snap install node --classic --channel 6/stable && sudo snap install node --classic --channel 11/stable
you can install version 6 alongside the latest version of node.js and use either version: https://askubuntu.com/questions/594656/how-to-install-the-latest-versions-of-nodejs-and-npm/594657#594657 – karel Feb 04 '19 at 10:57