Jun 19 21:26:19 ubuntu20 systemd: Starting Apache Tomcat Server. To be able to run Apache Tomcat9 as a service and ensure it runs on system reboots, you need to create a systemd service unit file it as follows.Ĭat > /etc/systemd/system/rvice When prompted for credentials, use the ones you set above Ĭlick Host Manager, to access Tomcat virtual host manager. You can now access your Apache Tomcat9 from the browser using the address, Click Manager App to access the Tomcat Web Application Manager. Using CLASSPATH: /opt/tomcat9/bin/bootstrap.jar:/opt/tomcat9/bin/tomcat-juli.jar Using JRE_HOME: /usr/lib/jvm/java-1.14.0-openjdk-amd64 opt/tomcat9/bin/startup.sh Using CATALINA_BASE: /opt/tomcat9 To run Apache Tomcat in standalone mode, execute the /opt/tomcat9/bin/startup.sh. To allow external access to Tomcat, you need to open TCP port 8080 on UFW, if it is running ufw allow 8080/tcp Running Tomcat 9 on Ubuntu 20.04 Save and exit the configuration file after changes are made. Update for host manager vim /opt/tomcat9/webapps/host-manager/META-INF/context.xml. Update for Manager vim /opt/tomcat9/webapps/manager/META-INF/context.xml. In this case, 192.168.56.1, is the IP address of the server to allow access of Tomcat from. Configure Tomcat to allow remote connection to Manager and Host Manager apps.Įdit the configuration files below for Manager and Host Manager respectively and enter the IP addresses of the remote server you are accessing the Tomcat from. Replace the password and usernames accordingly. This can be done by editing the /opt/tomcat9/conf/tomcat-users.xml file and adding the following highlighted lines below between the tag. chmod -R u+x,g+rx /opt/tomcat9/ Configure Tomcat Web Management Accounts Create Tomcat Web Management Userĭefine a user for the web management of Tomcat 9 Admin/Manager User interfaces. chown -R tomcat: /opt/tomcat9/Īssign tomcat the read and execution permissions on the Tomcat 9 configuration files directory. Next, you need to set the user and group ownership of Tomcat 9 directory to tomcat user. Hence, create a system user for Apache Tomcat as follows useradd -r -d /opt/tomcat9/ -s /bin/false tomcat Just like any other web server, Apache Tomcat should not be run with a privileged user. source /etc/profile.d/tomcat9.sh Create Tomcat System User Reload the environment variables set above. echo 'export JRE_HOME="/usr/lib/jvm/java-1.14.0-openjdk-amd64"' > /etc/profile.d/tomcat9.sh Once you have the path, create the environment variable. Locate the path to the installed Java version using update-java-alternatives command. Since we installed JRE, create the JRE_HOME environment as follows. echo 'export CATALINA_HOME="/opt/tomcat9"' > /etc/profile.d/tomcat9.shĭepending on the Java package installed, set JRE_HOME (if you installed JRE) or JAVA_HOME (if you installed JDK) environment variable for the Java version you have installed. Set CATALINA_HOME environment variable to point to the base path of the Tomcat installation, which in this case is, /opt/tomcat9. Various environment variables are used by the Tomcat startup scripts to prepare the command that runs Tomcat daemon. ls /opt/tomcat9/ bin BUILDING.txt conf CONTRIBUTING.md lib LICENSE logs NOTICE README.md RELEASE-NOTES RUNNING.txt temp webapps work Set Apache Tomcat 9 Environment Variables The command above extracts the contents of apache-tomcat-9.0.36.tar.gz tarball to the installation directory, /opt/tomcat9. mkdir /opt/tomcat9 tar xzf apache-tomcat-9.0.36.tar.gz -C /opt/tomcat9 -strip-components=1 Once the download of the binary distribution is complete, installation of Apache Tomcat using the binary distribution is as easy as extracting it to some specific directory, which in this case, we used /opt/tomcat9 directory. wget Install Apache Tomcat 9 on Ubuntu 20.04 As of this writing, Apache Tomcat 9.0.36 is the current stable release. Navigate to Apache Tomcat 9 downloads page and grab Apache Tomcat 9 binary distribution tarball. OpenJDK 64-Bit Server VM (build 14.0.1+7-Ubuntu-1ubuntu1, mixed mode, sharing) Download Apache Tomcat Binary Distribution OpenJDK Runtime Environment (build 14.0.1+7-Ubuntu-1ubuntu1) Once the installation completes, you can run the command below to verify the version. Therefore, install OpenJRE as follows apt install openjdk-14-jre Install Apache Tomcat 9 on Ubuntu 20.04 Run system updateĮnsure that your system package cache is up-to-date apt update Install OpenJDK 14 on Ubuntu 20.04Īpache Tomcat 9 requires a Java Standard Edition Runtime Environment (JRE) version 8 or later. In this tutorial, you will learn how to install Apache Tomcat 9 on Ubuntu 20.04. Apache Tomcat is an opensource java based HTTP web server that implements the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies.
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