Install Ionic to dev android app on ubuntu 14.04

Install Ionic to dev android app on ubuntu 14.04
 
0. Instal ubuntu-14.04-desktop-amd64.iso
   sudo apt-get update
   sudo apt-get install exfat-fuse exfat-utils
   sudo reboot
 
1. Copy jdk-7u60-linux-x64.tar.gz, apache-ant-1.9.4-bin.tar.gz to /opt and copy adt-bundle-linux-x86_64-20140321.zip to HOME/android
   cd /opt
   sudo tar zxvf jdk-7u60-linux-x64.tar.gz
   sudo tar zxvf apache-ant-1.9.4-bin.tar.gz
   cd ~/android
   unzip adt-bundle-linux-x86_64-20140321.zip
   sudo dpkg --add-architecture i386
   sudo apt-get update 
   sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386 zlib1g:i386
   sudo gedit /etc/environment
   add:
      PATH=":/opt/jdk1.7.0_60/bin:/home/xxx/android/adt-bundle-linux-x86_64-20140321/sdk/platform-tools:/home/xxx/android/adt-bundle-linux-x86_64-20140321/sdk/tools:/opt/apache-ant-1.9.4/bin"
      CLASSPATH="/opt/jdk1.7.0_60/lib"
      JAVA_HOME="/opt/jdk1.7.0_60"
      ANDROID_HOME="/home/xxx/android/adt-bundle-linux-x86_64-20140321/sdk"
      ANT_HOME="/opt/apache-ant-1.9.4"
   sudo reboot
 
2. sudo add-apt-repository ppa:chris-lea/node.js
   sudo apt-get update
   sudo apt-get install nodejs
   node -v
   npm -v
 
3. sudo apt-get install git-core
   sudo npm install -g cordova
   sudo npm install -g gulp
   sudo npm install -g ripple-emulator
   sudo npm install -g ionic
 
4. Create AVD "myIonic" (android create avd -n myIonic -t android-19)
   ionic start myApp tabs
   cd myApp
   ionic platform add android
   ionic build android
   ripple emulate --path www
   ionic emulate android
   
update
sudo apt-get install curl
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
sudo npm update -g npm
sudo npm update -g cordova