Update the Platform

When performing a major version upgrade of the CA API Developer Portal, also update the underlying platform. Updating the platform applies corrections for security issues in the operating system.
When performing a major version upgrade of the CA API Developer Portal, also update the underlying platform. Updating the platform applies corrections for security issues in the operating system.
To update the platform:
  1. Stop docker:
    # systemctl stop docker
  2. Remove the current release version reference variable:
    # sudo rm /etc/yum/vars/releasever
  3. Release the version lock for the installed packages:
    # sudo yum versionlock clear
  4. Update the packages that are installed on your CentOS 7.x VM to the latest packages:
    # sudo yum update -y