Google Tomcat

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In case I forgot this once I want to setup another tomcat, thus I write it down. Setting up tomcat is required java to be ready on the instance, I did the java setup in this post. We know that tomcat is running on port :8080 (default), in order to make it accessible publicly, new firewall rules setup in VPC Network is required.

Google Tomcat Extension


Setup Firewall Rules

Google Tomcat App

Following the guideline from gcp documentation in this post,

Google Tomcat
  • Click on Go to the Firewall Page
  • This page will be shown, then click +CREATE FIREWALL RULE
  • Enter the following Fields:
    • Name: name of the Firewall Rule. Name can be anything but it can have only lower case letters, hyphens and numbers
    • Priority: Priority of Rule. Higher the number lower the priority. I keep the default value(1000)
    • Direction of traffic: Ingress. Ingress applies to incoming traffic. Egress applies to outbound traffic.
    • Action on match: allow.
    • Targets: All instance in the network. Because if I plan to have more than one instance I want to make this available for all instance in the network.
    • Source filter: IP Ranges
    • Source IP Ranges:, means allow any IP, and anyone can send data

Once the firewall setup done, I continue to do the next one,

Installing Tomcat 8

After making sure firewall setup done, and having apache tomcat 8 package downloaded from its official download page, I copy the apache-tomcat-8.5.59.tar.gz to the home directory, then do these steps:

  • Extracting tar.gz
    • $ tar xvf apache-tomcat-8.5.59.tar.gz
  • Copy apache-tomcat-8.5.59 into nginx html and rename it as tomcat8 (if you want to put it in another directory the location can differ.
    • $ sudo mv apache-tomcat-8.5.59 /usr/share/nginx/html/tomcat8
  • Change the owner of tomcat8 directory
    • $ sudo chown -R myuser:myuser tomcat8
  • Edit java security, because in the first try, I can’t get the normal tomcat, and it is because the java security (getting this info from stackoverflow, thanks Bij)
    • go to java security directory, in my case, the directory is located here:
      $ cd /usr/java/jdk1.8.0_271-amd64/jre/lib/security
    • using vi edit file
      $ sudo vi
    • change securerandom.source=file:/dev/random to securerandom.source=file:/dev/./urandom
  • Run tomcat
    • $ cd /usr/share/nginx/html/tomcat8/bin
    • ./
  • Check on the browser using PUBLIC_IP:8080

Google Tomcat Free

1. google cloud computing official documentation
2. bytesofgigabytes web on setting up firewall in google cloud
3. bytesofgigabytes web on installing tomcat
4. stackoverflow answer posted by BiJ