Silently install Oracle Java 7 on Ubuntu (without license agreement step)
#!/bin/bash
sudo apt-get install -y python-software-properties
sudo add-apt-repository -y ppa:webupd8team/java
sudo apt-get update
# Enable silent install
echo debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selections
echo debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selections
sudo apt-get install -y oracle-java7-installer
# Not always necessary, but just in case...
sudo update-java-alternatives -s java-7-oracle
# Setting Java environment variables
sudo apt-get install -y oracle-java7-set-default