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How to Deploy VT Docs on Red Hat 9

Prerequisites

This guide assumes you have a running RHEL server with access to the repositories (repos). VisibleThread Docs .rpm has some dependencies (httpd, openssl, java) that are available in the Red Hat repos. These packages will be pulled in automatically by our .rpm file and do not need to be manually installed.

Note: VT Docs will create a user called 'visiblethread' upon installation; do not create a 'visiblethread' user before installing!

Note: Attached at the end of the article is a sudoers file. It can be referenced to give a new OS user the minimum required permissions to install the rpm file. If you want to copy/paste the contents of the file into a sudoers file in /etc/sudoers.d/ you will have to either update the user in the attached file from vtuser to the username you will create or create a user with the same name.

Repositories

The repos are typically made available via two methods:
 an active Red Hat subscription – typically used when RHEL runs on-prem, OR
⦁ Red Hat Update Infrastructure (RHUI) – available with cloud providers (e.g. Azure and AWS) to mirror Red Hat-hosted repos and automatically make them available to official RHEL cloud VMs.

 

Minimum Server Spec

4GB RAM
2 CPU Cores
80GB disk

 

Note: VisibleThread Docs requires port 443 and port 22. VisibleThread Docs requires 'sudo su' permission to install correctly.

Note: Deployments have been tested on RHEL 8/9.
Deployments have been tested on VMware ESX Vsphere/vcenter, Azure, AWS

 

Step 1: PostgreSQL Install

PostgreSQL Database is mandatory. Although the rpm doesn’t depend on it, PostgreSQL is required. We support PostgreSQL versions 12 - 15 and recommend using a version minimum of 12. Here is an example install of PostgreSQL:

Install PostgreSQL

sudo dnf install -y postgresql-server postgresql-contrib

Initialize the DB:

sudo su - postgres -c "/usr/bin/postgresql-setup --initdb"

Enable and start Postgresql service:

sudo systemctl enable --now postgresql

Verify service is active:

systemctl status postgresql

 

Now that you verified that PostgreSQL is running you can download and install the VT Docs rpm file.

 

Step 2: Java Install

Run the following to install the correct version of Java:

sudo yum install -y java-17-openjdk

 

Step 3: Download and Install VT Docs

The VT Docs .rpm is available to download here:

https://visiblethread.s3.amazonaws.com/public/download/visiblethread-docs-6.0.5-1.x86_64.rpm  

 
To verify that the download was completed successfully, you can check the md5 hash:

md5sum visiblethread-docs-6.0.5-1.x86_64.rpm

The valid MD5 Hash is 26da0a6f7e04108c87c5f910b7202a4f

 

Install

To install the RPM just run the following command;

sudo yum install -y visiblethread-docs-6.0.5-1.x86_64.rpm

 

Step 4: Check if fapolicyd is installed

If fapolicy is installed it will block Apache Tomcat from being installed correctly, because of this you should whitelist the required directory in your fapolicy, see below.

  • Check if fapolicyd is installed
    sudo systemctl status fapolicy
  • If fapolicyd is NOT installed please ignore this section. If faploicy is installed please run the below command to whitelist the install directory for Apache Tomcat.
    # as root user
    echo "allow perm=any uid=visiblethread : dir=/opt/visiblethread/tomcat/" >> /etc/fapolicyd/rules.d/01-visiblethread.rules

    fapolicyd-cli --update

    systemctl restart fapolicyd

    sudo systemctl restart visiblethread-docs.service


To upload your license and set up users please follow this link and start from Section 2:
https://support.visiblethread.com/hc/en-us/articles/214225446-Deploying-VisibleThread-On-Premise-behind-your-corporate-firewall 

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