Installation of Tomcat 9 on Ubuntu 18

 Java installation in Ubuntu  18.....

  

  # sudo apt install openjdk-8-jdk

  # java -version

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Create Tomcat User

# sudo groupadd tomcat

# sudo useradd -s /bin/false -g tomcat -d /opt/tomcat tomcat

# sudo apt update

Dawnload Package of Tomcat 9

# cd /tmp

#  sudo wget https://archive.apache.org/dist/tomcat/tomcat-9/v9.0.21/bin/apache-tomcat-9.0.21.tar.gz

# sudo mkdir /opt/tomcat

# sudo tar xzvf apache-tomcat-*tar.gz -C /opt/tomcat --strip-components=1

#  ll /opt/tomcat/

#  sudo chown -R tomcat: tomcat

#  sudo chmod o+x /opt/tomcat/bin/

Update Permissions

   #  cd /opt/tomcat

Give the tomcat group ownership over the entire installation directory:

    #  sudo chgrp -R tomcat /opt/tomcat

Give the tomcat group read access to the conf directory and all of its contents, and execute access to the directory itself:  

    #  sudo chmod -R g+r conf

    #  sudo chmod g+x conf

 

 Make the tomcat user the owner of the webapps, work, temp, and logs directories:

    # sudo chown -R tomcat webapps/ work/ temp/ logs/

Create a systemd Service File

    # sudo update-java-alternatives -l

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# sudo vi /etc/systemd/system/tomcat.service

[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

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

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# sudo systemctl daemon-reload

# sudo systemctl start tomcat

# sudo systemctl status tomcat

Add Port on Firewall

# sudo ufw allow 8080

# http://server_domain_or_IP:8080