Cara Install Tomcat 9 pada Ubuntu 20.04 / Debian 11

“Cara Install Tomcat 9 pada Ubuntu 20.04 / Debian 11”

Pendahuluan

Apache Tomcat adalah server web sumber terbuka dan wadah servlet Java. Ini adalah salah satu pilihan paling populer untuk membangun situs web dan aplikasi berbasis Java. Tomcat ringan, mudah digunakan, dan memiliki ekosistem add-on yang kuat.

Install Java

• Update OS

sudo apt updat

• Install OpenJDK 11

sudo apt install openjdk-11-jdk

• Cek Java Version

java -version

Membuat User Tomcat

sudo useradd -m -U -d /opt/tomcat -s /bin/false tomcat

Download Tomcat

• Download package

wget https://www-eu.apache.org/dist/tomcat/tomcat-9/v${VERSION}/bin/apache-tomcat-${VERSION}.tar.gz -P /tmp

• Ektract File

sudo tar -xf /tmp/apache-tomcat-${VERSION}.tar.gz -C /opt/tomcat/

• Buat Symlink

sudo ln -s /opt/tomcat/apache-tomcat-${VERSION} /opt/tomcat/latest

• Buat Owner file

sudo chown -R tomcat: /opt/tomcat

• Buat permission file

sudo sh -c 'chmod +x /opt/tomcat/latest/bin/*.sh'

Membuat Systemd service

• Buat file

sudo nano /etc/systemd/system/tomcat.service

• Isi file

[Unit]
Description=Tomcat 9 servlet container
After=network.target

[Service]
Type=forking

User=tomcat
Group=tomcat

Environment="JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64"
Environment="JAVA_OPTS=-Djava.security.egd=file:///dev/urandom -Djava.awt.headless=true"

Environment="CATALINA_BASE=/opt/tomcat/latest"
Environment="CATALINA_HOME=/opt/tomcat/latest"
Environment="CATALINA_PID=/opt/tomcat/latest/temp/tomcat.pid"
Environment="CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC"

ExecStart=/opt/tomcat/latest/bin/startup.sh
ExecStop=/opt/tomcat/latest/bin/shutdown.sh

[Install]
WantedBy=multi-user.target

• Reload service

sudo systemctl daemon-reload

• Enable service

sudo systemctl enable --now tomcat

• Cek status

sudo systemctl status tomcat

Konfigurasi Firewall

sudo ufw allow 8080/tcp

Konfigurasi Tomcat Web Management Interface

• edit file untuk User admin

sudo nano /opt/tomcat/latest/conf/tomcat-users.xml

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

• Edit file untuk manager app

sudo nano /opt/tomcat/latest/webapps/manager/META-INF/context.xml

<Context antiResourceLocking="false" privileged="true" >
<!--
  <Valve className="org.apache.catalina.valves.RemoteAddrValve"
         allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" />
-->
</Context>

• Restart service

sudo systemctl restart tomcat

Akses GUI via web

http://<your_domain_or_IP_address>:8080

http://<your_domain_or_IP_address>:8080/manager/html
http://<your_domain_or_IP_address>:8080/host-manager/html

Penutup

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