Error installing bower version 1.8.2 on Ubuntu - node.js

Question

i am trying to install bower version 1.8.2
globally on my Ubuntu 16.04
but it show that Missing write access /usr/local/bin
i have node 4.2.6
and npm 3.5.2
i get this error:
ubuntu#ubuntu-Inspiron-3521:~/Desktop/Python-2.7.14$ npm install -g bower
npm WARN deprecated bower#1.8.2: ...psst! Your project can stop working at any moment because its dependencies can change. Prevent this by migrating to Yarn: https://bower.io/blog/2017/how-to-migrate-away-from-bower/
npm WARN checkPermissions Missing write access to /usr/local/lib
/usr/local/lib
`-- bower#1.8.2
npm ERR! Linux 4.4.0-21-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "bower"
npm ERR! node v4.2.6
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! at Error (native)
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/ubuntu/Desktop/Python-2.7.14/npm-debug.log
ubuntu#ubuntu-Inspiron-3521:~/Desktop/Python-2.7.14$ node --version
v4.2.6
ubuntu#ubuntu-Inspiron-3521:~/Desktop/Python-2.7.14$ npm --version
3.5.2
ubuntu#ubuntu-Inspiron-3521:~/Desktop/Python-2.7.14$

Answer 1

You can install it using sudo:
sudo npm i --global bower
But that is not recommended, hence you can fix your npm permissions like this:
sudo chown -R $(whoami) $(npm config get prefix)/lib/node_modules
You can find a gist for the same here.