Install Tomcat on CentOS 7

Apache Tomcat is an open source implementation of the Java Servlet and Java Server Pages. To install Apache Tomcat on CentOS 7, run

yum install tomcat

To enable tomcat start on boot

systemctl enable tomcat

You can manage tomcat with

systemctl stop tomcat
systemctl start tomcat
systemctl status tomcat
systemctl restart tomcat

To see the ports used by tomcat

[root@tomcat ~]# netstat -lntp| grep java
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      31423/java          
tcp6       0      0 :::8009                 :::*                    LISTEN      31423/java          
tcp6       0      0 :::8080                 :::*                    LISTEN      31423/java          
[root@tomcat ~]# 

webapps are stored in the directory

/var/lib/tomcat/webapps

Create the default page with

mkdir /var/lib/tomcat/webapps/ROOT
echo "Hello Cat" > /var/lib/tomcat/webapps/ROOT/index.html

Tomcat web server can be accessed using

http://your-server-ip:8080

To open 8080 port on the firewall, use commands

firewall-cmd --permanent --zone=public --add-port=8080/tcp
firewall-cmd --reload

Tomcat configurations are available in the directory.

/etc/tomcat/

Install tomcat Manager

To install the Tomcat manager GUI application, run

yum install tomcat-admin-webapps.noarch -y

To create user, edit file

vi /etc/tomcat/tomcat-users.xml

Inside ““, add

USER_NAME_HERE and PW_HERE – replace with the username and password you need.

Restart tomcat to activate Tomcat Manager GUI.

systemctl restart tomcat

To access GUI, go to

http://your-server-ip-here:8080/manager/