Apache Tomcat is a opensource webserver product of Apache Foundation like Apache HTTP server. It is used to deploying Java Servlet and JSP applications. To deploy any application in Tomcat we can simply create a war file and deploy them. For more details about you can visit apache official site http://tomcat.apache.org/ .
This article will help you to install Tomcat 7 on CentOS/RHEL servers. We are using CentOS 6.5 and installing Apache tomcat 7.0.54. To read more about this release read Tomcat Release Notes.
Step 1: Check JAVA
JAVA is the first requirement for Tomcat 7 installation. Make sure you have JAVA SE 6 or Later version installed in your system. Use following command to check if you have java installed already on your system.
# java -version java version "1.8.0" Java(TM) SE Runtime Environment (build 1.8.0-b132) Java HotSpot(TM) Client VM (build 25.0-b70, mixed mode)
Step 2: Download and Extract Tomcat Archive
Download Apache Tomcat archive file from Apache tomcat official download page. You can use below wget command to download it.
# cd /tmp # wget http://www.us.apache.org/dist/tomcat/tomcat-7/v7.0.54/bin/apache-tomcat-7.0.54.tar.gz
After competed download extract archive file in /tmp directory and move to proper location as per your need. We are placing this under /usr/local directory.
# tar xzf apache-tomcat-7.0.54.tar.gz # mv apache-tomcat-7.0.54 /usr/local/tomcat7
Step 3: Start Tomcat
Tomcat is very easy to use, There are no need to compile its source. You simple extract the archive and start the tomcat server. Tomcat by default start on port 8080, Make sure no other services are running on same port using ‘telnet localhost 8080′.
# cd /usr/local/tomcat7 # ./bin/startup.sh
Using CATALINA_BASE: /usr/local/tomcat7 Using CATALINA_HOME: /usr/local/tomcat7 Using CATALINA_TMPDIR: /usr/local/tomcat7/temp Using JRE_HOME: /opt/jdk1.8.0_05/jre Using CLASSPATH: /usr/local/tomcat7/bin/bootstrap.jar:/usr/local/tomcat7/bin/tomcat-juli.jar Tomcat started.
Step 4: Access Tomcat in Browser
Tomcat server works on port 8080 default. To access Tomcat on web browser by connecting your server on port 8080.
Step 5: Setup User Accounts
Finally we need to create user accounts to secure and access admin/manager pages. Edit conf/tomcat-users.xml file in your editor and paste inside <tomcat-users> </tomcat-users> tags.
<!-- user manager can access only manager section --> <role rolename="manager-gui" /> <user username="manager" password="_SECRET_PASSWORD_" roles="manager-gui" /> <!-- user admin can access manager and admin section both --> <role rolename="admin-gui" /> <user username="admin" password="_SECRET_PASSWORD_" roles="manager-gui,admin-gui" />
Step 6: Stop Tomcat
Finally if you feel that there are no need of Tomcat in your system, You can simply stop it using below command from tomcat home directory.
I hope above steps will help you to set up Tomcat 7 on your server. Read our next article to Install Tomcat 7 on Ubuntu. Apache also has released Tomcat 8 (Beta) version, To install this beta release read article Install Tomcat 8 (Beta) in LInux