How to Install and Setup Apache Tomcat 8 on CentOS 7 / RHEL 7

What is Tomcat Server and What is Apache Tomcat used for ?

Apache Tomcat version 8 is an open source web server and servlet container developed by the Apache Software Foundation (ASF).

It provides a web server environment for Java based source code and used to deploy Java Servlets and JSPs.

Basically Apache is an HTTP Server, serving HTTP. Tomcat is a Servlet and JSP Server serving Java technologies.

Tomcat 8 is the first Apache Tomcat release to support the Servlet 3.1, JSP 2.3, EL 2.3, and WebSocket specifications.

This article will describes how to install and configure Tomcat 8 on CentOS 7, RHEL 7 and Oracle Linux 7.

1. Install Oracle java :

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2. How to download Apache Tomcat 8 :

To download Apache tomcat 8, go to the apache tomcat mirror

# cd /opt
# wget

3. Extract the downloaded files :

# tar xzvf apache-tomcat-8.0.22.tar.gz

4. Create tomcat8 group and add user tomcat8 to that group:

# groupadd tomcat8
# useradd -s /bin/bash -g tomcat8 tomcat8

5. Create a symbolic link of tomcat directory to /opt/tomcat and assign permission :

# ln -s /opt/apache-tomcat-8.0.22 /opt/tomcat
# chown -R tomcat8:tomcat8 /opt/tomcat /opt/apache-tomcat-8.0.22

6. Create a Systemd Setting file :

# vi /usr/lib/systemd/system/tomcat8.service

Add the following :

Description=Apache Tomcat 8



7. How to start tomcat server and make it auto start at boot :

# systemctl start tomcat8
# systemctl enable tomcat8

8. Tomcat server works on port 8080 default. You can access from your browser using the url :

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9. There are changes on the user roles on Tomcat 8. By default, no users or passwords are created for the Tomcat manager roles. To set roles, user name(s) and password(s), we need to configure the tomcat-users.xml file located at $CATALINA_HOME/conf/tomcat-users.xml.

# vi /opt/tomcat/conf/tomcat-users.xml

Add the following :

<!-- user manager can access only manager section -->
<role rolename="manager-gui"></role>
<user username="manager" password="password" roles="manager-gui"></user>

<!-- user admin can access manager and admin section both -->
<role rolename="admin-gui"></role>
<user username="admin" password="password" roles="manager-gui,admin-gui"></user>

Read here on the different between Apache Web Server and Apache Tomcat server.

  1. Ramesh
    March 10, 2016 at 1:14 pm

    Nice post. It just made my tomcat setup quick & easy and saved me few hours. Thank you.

  2. Himachal Tours & Travels
    Himachal Tours & Travels
    March 6, 2019 at 3:53 pm

    Great tips and tricks! Also great blog here with all of the valuable information thanks

  3. Himachal Tours & Travels
    Himachal Tours & Travels
    March 6, 2019 at 4:10 pm

    Thanks for the useful tips and tricks! Also great blog here with all of the valuable information you have. Keep up the good work you are doing here

  4. mohitsuri
    March 19, 2020 at 6:54 am

    Thanks for sharing this article.

  5. Suman
    April 20, 2020 at 3:38 pm

    good post. Saved couple of hours. Thank you. Suman

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