How to Install NodeJs,Karma, etc


Install nodjs and npm
Step 2
#sudo apt-get update
#curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash -
#sudo apt-get install nodejs
#sudo apt-get install build-essential
(Opt)#sudo ln -s /usr/bin/nodejs /usr/bin/node
(Opt)#sudo apt-get install npm

Step 2
For installing locally from local user only !
$npm install grunt
$npm install grunt-cli
$npm install karma
$npm install jasmine

For install globally from sudo user only !
#sudo npm install -g grunt
#sudo npm install -g grunt-cli
#sudo npm install -g karma
#sudo npm install -g jasmine



To uninstall node and npm
Step 1
#sudo rm -rf /usr/local/lib/node
#sudo rm -rf /usr/local/lib/node_modules

Step 2
#sudo apt-get remove nodejs
#sudo apt-get remove npm

Then go to /etc/apt/sources.list.d and remove any node list if you have. Then do a

#sudo apt-get update
Check for any .npm or .node folder in your home folder and delete those.

If you type it show in any node folder ........... In computer!
#which node




!!!
#sudo apt-get install -y curl apt-transport-https ca-certificates &&
  curl --fail -ssL -o setup-nodejs https://deb.nodesource.com/setup_6.x &&
  sudo bash setup-nodejs &&
  sudo apt-get install -y nodejs build-essential




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