Tomcat : Install Tomcat Server on Centos 7

A. Install Java on Centos 7

1.Install OpenJDK 8 JDK 

#sudo yum install java-1.8.0-openjdk-devel

2.Install OpenJDK 8 JRE

#sudo yum install java-1.8.0-openjdk

3.Export Java 

#sudo tee -a /etc/bashrc<<EOF
#export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk
#export PATH=$JAVA_HOME/bin:$PATH
#EOF
#source /etc/bashrc
#echo $JAVA_HOME

4.Check Java version

#java -version
#readlink -f $ (which java)

5.To selected Java versions installed on the server

#alternatives --config java

6.Uninstall Java

#sudo yum remove java-1.8.0-openjdk-devel
#sudo yum remove java-1.8.0-openjdk

 

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B.Install Tomcat on Centos 7 

Check Tomcat version

1. Download and install Tomcat 7

#cd /tmp
#wget https://archive.apache.org/dist/tomcat/tomcat-7/v7.0.99/bin/apache-tomcat-7.0.99.tar.gz
#tar -xzvf apache-tomcat-7.0.99.tar.gz
#mv apache-tomcat-7.0.99 /usr/local/tomcat7
#cd /usr/local/tomcat7

2. Create Tomcat as service

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

Add this parameter:

[Unit]
Description=tomcat7

[Service]
Type=forking
WorkingDirectory=/usr/local/tomcat7/bin

ExecStart=/bin/bash /usr/local/tomcat7/bin/startup.sh start
ExecStop=/bin/bash /usr/local/tomcat7/bin/shutdown.sh stop

User=root
Group=root

[Install]
WantedBy=multi-user.target

3. Start the Tomcat service

#service tomcat start
#service tomcat status

 

 

 

 

4. Check Tomcat version

#/usr/local/tomcat7/bin/version.sh

 

 

 

 

 5. Access the Tomcat in web browser 

Visit http://server_ip:8080.*Please put the actual IP address or domain

 

 

 

 

 

 

 

 

 

 

6. Enable access Tomcat web manager

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

<tomcat-users>
<role rolename="admin-gui" />
<user username="tomcat" password="<password>" roles="manager-gui,admin-gui" />
</tomcat-users>

7. Access the Web Management Interface in a web browser. 

Visit http://server_ip:8080/manager to use the interface.