Some useful commands for starting with Ionic framework :

- Install nodejs and relate it to command node :
apt-get install node

sudo apt-get install python-software-properties python g++ make
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs

ln -s /usr/bin/nodejs ~/bin/node

- Install npm :
apt-get install npm

-- Download export path android :
~/.bashrc
export PATH=$PATH:/opt/android-sdk-linux/tools
export ANDROID_HOME="/opt/android-sdk-linux"

- Install cordova and ionic :
npm install ionic -g

-Create appliaction
ionic start ibnab

- Show tree folder
tree -d

- Emlator 1
ripple emulate

- Build android
cordova build android
ionic build android

-Remove android :
ionic platform remove android

- Add android platform (the command create android folder with basic needed)
ionic platform add android

- Emulator 2 real android
ionic emulate android

- Emulate in browser
ionic serve

- For runing gulp start and ionic serve create file procfile with command:
gulp: gulp watch
serve: ionic serve

- Prepare android (for www):
cordova prepare ios

- Run in device:
ionic run android

- Cordova add plugin :
 cordova plugin add https://github.com/apache/cordova-plugin-whitelist.git#r1.0.0
and  <allow-navigation href="*" /> in config.xml