How to Install Tomcat Linux web servers on Ubuntu

The Apache Tomcat software is an open source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java Web Socket technologies. The Java Servlet, Java Server Pages, Java Expression Language and Java WebSocket specifications are developed under the Java Community Process.

Step: 1

To Install java check this Post  for steps.

 Step: 2
Download Tomcat 7 tar.gz binary distribution from Tomcat webite Click Here. 

 Step: 3
Extract tar file using below command.
#tar -xvzf apache-tomcat-7.0.35.tar.gz
Step :4 
Move it to/usr/local/tomcat7 location using following command.
#sudo mv apache-tomcat-7.0.35 /usr/local/tomcat7

Step :5 
Open  /usr/local/tomcat7/bin/catalina.sh file using following command  to add java home path (Verify with your java location and virsion)
vim /usr/local/tomcat7/bin/catalina.sh
Add following two lines in there after the first line.
JAVA_HOME="/usr/java/jdk1.7.0_11"

JRE_HOME="/usr/java/jdk1.7.0_11/jre"

 Step :6

Open /usr/local/tomcat7/conf/tomcat-users.xml and Then add a manager-gui & admin-gui role along with user details as below.

#vi /usr/local/tomcat7/conf/tomcat-users.xml

remove the </tomcat-users> tag and insert below line

<!-- user admin can access manager and admin section both -->

<role rolename="admin-gui" />

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

</tomcat-users>
:wq!

Step :7
Start the Tomcat server using following command.

#sudo/usr/share/tomcat7/bin/catalina.sh run

Step :8
Verify Tomcat installation using the following URL

http://localhost:8080

To login as the manager, use the following URL, provide the relevant username and password

http://localhost:8080/manager/html

Note : You can deploy your application in /usr/share/tomcat7/webapps