add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java8-installer
apt-get install oracle-java8-set-default
\\
# java -version
java version "1.8.0_66"
Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode)
apt-get install mysql-server libmysql-java
apt-get install tomcat7 tomcat7-admin
nano -w /etc/default/tomcat7
JAVA_HOME=/usr/lib/jvm/java-8-oracle
###JAVA_OPTS="-Djava.awt.headless=true -Xmx128m -XX:+UseConcMarkSweepGC"
JAVA_OPTS="-Djava.awt.headless=true -Xmx1g -Xms128m"
JAVA_OPTS="${JAVA_OPTS} -XX:+UseConcMarkSweepGC -XX:MaxPermSize=256m"
nano -w /etc/tomcat7/tomcat-users.xml
<tomcat-users>
<user username="*****" password="******" roles="admin-gui,manager-gui"/>
</tomcat-users>
service tomcat7 restart