http://stackoverflow.com/questions/30177455/moving-from-jdk-1-7-to-jdk-1-8-on-ubuntu
http://dev.haufe.com/log-aggregation/
http://logz.io/blog/kubernetes-log-analysis/
cd /tmp $ wget http://download.oracle.com/otn-pub/java/jdk/8u74-b02/jdk-8u74-linux-x64.tar.gz\?AuthParam\=1458001079_a6c78c74b34d63befd53037da604746c $ tar xzf jdk-8u74-linux-x64.tar.gz?AuthParam=1458001079_a6c78c74b34d63befd53037da604746c $ sudo mv jdk1.8.0_74 /opt $ cd /opt/jdk1.8.0_74/ $ sudo update-alternatives --install /usr/bin/java java /opt/jdk1.8.0_91/bin/java 2 $ sudo update-alternatives --config java // select version $ sudo update-alternatives --install /usr/bin/jar jar /opt/jdk1.8.0_91/bin/jar 2 $ sudo update-alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_91/bin/javac 2 $ sudo update-alternatives --set jar /opt/jdk1.8.0_91/bin/jar $ sudo update-alternatives --set javac /opt/jdk1.8.0_74/bin/javac $ java -version // you should have the updated java
