The document provides instructions for installing Tomcat 7 on an Ubuntu 14.04 LTS instance hosted on AWS. It involves updating the instance, installing Tomcat 7 which requires setting the JAVA_HOME variable, restarting Tomcat, and installing the Tomcat admin to allow for management of Tomcat through a web interface.

1. Installing Tomcat on
Ubuntu Instance
Kamarul Kawnayeen

2. Preface
In this short tutorial, I will cover how to install tomcat 7 on ubuntu 14.04LTS
instance hosted at AWS. Note that we will use Oracle Jdk instead of OpenJdk.
I’ve already showed how to install Oracle Jdk on ubuntu previously. Please take
a look on this slide for that.

3. Go to the security group associated with your instance, edit
inbound rules and add port 8080 as Custom TCP Rule

5. Connect with your ubuntu instance using ssh & then run the
following command
sudo apt-get update
Once you are done with updating, then try --
sudo apt-get install tomcat7

6. You will get message like - “* no JDK or JRE found - please set
JAVA_HOME”

7. Now, we need to modify the tomcat7 file at /etc/default directory
sudo nano /etc/default/tomcat7
Add this line:-
JAVA_HOME=/usr/lib/jvm/java-8-
oracle
Save and quit nano by “Cltr+X” & y

8. Restart tomcat
sudo service tomcat7 restart
Try to access {your_ip}:8080 -- you will get like below

9. Now install tomcat admin --
sudo apt-get install tomcat7-admin
To proceed with tomcat admin, we need to create a tomcat user.
For this, open the tomcat-users.xml file at /etc/tomcat7
directory using nano
sudo nano /etc/tomcat7/tomcat-users.xml

10. At tomcat-users.xml file, within <tomcat-user> node, add the following node
<user username=”{user username}” password=”{your password}” roles=”
manager-gui,admin-gui”>
Save & quit
nano by Cltr-X
& y

11. Restart tomcat
sudo service tomcat7 restart
Now access {your_ip}:8080 & click on manager-webapp, a
prompt will appear asking for the username & password of tomcat
user

12. Once you entered your username &
password, you will be here :)