Transitioning CentOS 7 AMIs to Rocky 8 and RHEL 8: Ensuring Stability, Security, and Future Readiness
With the end of life (EOL) of CentOS 7 in June, organizations running critical microservices on this platform are faced with an imperative need to migrate to a supported operating system. In response to this, I recently spearheaded a project to transition all microservices-based AMIs from CentOS 7 to Rocky 8 in non-production environments and RHEL 8 in production. This migration was crucial for maintaining system stability, security, and compliance while leveraging the benefits of modern operating systems. Here’s a detailed look at the migration process, the benefits, risks, and outcomes. Why Migrate from CentOS 7? CentOS 7 has been a reliable platform for years, but with its EOL, it no longer receives security updates or official support, posing significant risks to systems still running on it. Migrating to Rocky 8 in non-prod and RHEL 8 in prod ensures continued security updates, access to modern features, and compliance with industry standards. The Migration Strategy Non-Prod Enviro...