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INSTALLATION

1. Log in to the two newly created machines using SSH and install Docker and Docker Compose using the commands below:

   1. 

      sudo su

       

   2. Register the machine with the Red Hat subscription to download dependencies

      1. 

         subscription-manager register --username username --password password --auto-attach

          

   3. 

      yum update

       

   4. 

      subscription-manager repos --enable=rhel-7-server-rpms --enable=rhel-7-server-extras-rpms --enable=rhel-7-server-optional-rpms

       

   5. 

      sudo yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

       

   6. 

      sudo yum install -y yum-utils device-mapper-persistent-data lvm2

       

   7. 

      sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

       

   8. 

      sudo yum install docker-ce

       

   9. 

      sudo systemctl enable --now docker.service

       

   10. 

       sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

        

   11. 

       sudo chmod +x /usr/local/bin/docker-compose

        

        

   12. 

       mv /usr/local/bin/docker-compose /usr/bin/

        

        

2. Verify the docker and docker compose versions using the commands:

   1. 

      docker version #verify docker version

       

   2. 

      docker-compose version #verify docker compose version

       

NOTE:

To enable custom ports for network security, click Networking and add inbound port rule so that VM allows inbound traffic for specified ports.

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