Tomcat 7 installation on ubuntu

Requires java Installation
sudo add-repository ppa:webupd8team/java
sudo apt-get install oracle-java8-installer


Tomcat Installation

    sudo apt-get install tomcat7
    sudo gedit /etc/default/tomcat7

search line with name JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom -Djava.awt.headless=true               ----->Delete line

replce line--->JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom -Djava.awt.headless=true -Xmx512m -XX:MaxPermSize=256m -XX:+UseConcMarkSweepGC"

Add line---> JAVA_HOME=/usr/lib/jvm/java-8-oracle



sudo apt-get install tomcat7-docs tomcat7-admin tomcat7-examples



sudo nano /etc/tomcat7/tomcat-users.xml
 ----->search <tomcat-users> remove from  <tomcat-users> to   </tomcat-users> AND



replace 

<tomcat-users>
      <user username="admin" password="admin" roles="manager-gui,admin-gui"/>
 </tomcat-users>





sudo service tomcat7 restart



open browser enter http://loclahost:8080

that will show Apache home Page then click on managewebapps enter login id and password as admin 

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