debian JAVA_HOME
JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:bin/java::")
http://serverfault.com/questions/143786/how-to-determine-java-home-on-debian-ubuntu
JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:bin/java::")
http://serverfault.com/questions/143786/how-to-determine-java-home-on-debian-ubuntu