View Java app heap memory

jmap -heap <pid>

Install java plugin for firefox on ubuntu linux

2016-12-01 Linux VBox 4.8.0-27-generic #29-Ubuntu SMP

Install oracle java, and link plugin.

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo apt-get install oracle-java8-set-default

cd .mozilla/plugins/
ln -s /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so

firefox http://java.com/en/download/testjava.jsp

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