How to Install apache-tomcat server in Ubuntu 20.10

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 How to Install apache-tomcat server in Ubuntu 20.10


Open Terminal --- Alt+Ctrl+T


1. sudo apt-get update

2. sudo apt-get install default-jdk

3. sudo apt-get update

4. apt-get install software-properties-common

5. add-apt-repository ppa:webupd8team/java (add-apt-repository ppa:webupd9team/java)

6. apt-get update

7. apt-get install oracle-java8-installer  (apt-get install oracle-java9-installer)

8. java -version

9. update-alternatives --config java

10. nano /etc/environment

    JAVA_HOME="/usr/lib/jvm/java-8-oracle"     (save and close file)

11. source /etc/environment

12  echo $JAVA_HOME


Install Apache Tomcat:----

1.  Download the latest version of Apache Tomcat

2. cd /opt/

3. sudo tar -xvzf ~/Downloads/apache-tomcat-8.0.26.tar.gz

4. sudo mv apache-tomcat-8.0.26/ apache-tomcat/

5. sudo chmod -R 777 apache-tomcat/

6. sudo gedit /etc/environment

7. CATALINA_HOME="/opt/apache-tomcat"

   

[Unit]

Description=Apache Tomcat Web Application Container

After=network.target


[Service]

Type=forking


Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre

Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid

Environment=CATALINA_HOME=/opt/tomcat

Environment=CATALINA_BASE=/opt/tomcat

Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'

Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'


ExecStart=/opt/tomcat/bin/startup.sh

ExecStop=/opt/tomcat/bin/shutdown.sh


User=tomcat

Group=tomcat

UMask=0007

RestartSec=10

Restart=always


[Install]

WantedBy=multi-user.target


8. source /etc/environment

9. CATALINA_HOME/bin/startup.sh

10. http://localhost:8080/

11. CATALINA_HOME/bin/shutdown.sh


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