Sent invalidate(group) request, existing Step #4: Download and Install Tomcat 8 on Ubuntu 18.04/16.04 LTSĭownload the latest binary release version from tomcat 8 download page and configure it manually. Sudo useradd -s /bin/false -g tomcat -d /opt/tomcat tomcat Output: sent invalidate(passwd) request, exiting

Sudo groupadd tomcat Output: sent invalidate(passwd) request, exitingĮnter below command to create user in tomcat group with /opt/tomcat directory permission. We have to run tomcat with it’s own group and user without root privileges to run tomcat service. Sudo mkdir -p /opt/tomcat Step #3: Creating tomcat user and group Java HotSpot(TM) 64-Bit Server VM (build 25.211-b12, mixed mode) Step #2: Creating directoryįirst, we are creating directory before downloading and extracting tomcat 8 setup, Enter below command to create directory Java(TM) SE Runtime Environment (build 1.8.0_211-b12) How to Download and Install Oracle Java 8 On Ubuntu 18.04/16.04 LTS java -version Output: java version '1.8.0_211' In this installation we have preinstalled Oracle Java 8, if you are not installed follow below link to install. Tomcat requires Java JDK to be function, we can either install Open JDK or Oracle JAVA JDK. It is most widely used to deploy JSP and Java Servlet applications.

Step #9: Start, Restart and Stop tomcat in ubuntuĪpache Tomcat is an open source implementation of Java Server pages ,Java Servlet and Java Websocket Technologies developed by Apache Software foundation.

Step #5: Configure Environment variables.Step #4: Download and Install Tomcat 8 on Ubuntu 18.04/16.04 LTS.Step #3: Creating tomcat user and group.Step #1: Install and verify java version.

Monitoring apache tomcat 8