Flatcar Container Linux is an independent fork of CoreOS Container Linux, originally developed by CoreOS Inc. and now maintained by Kinvolk GmbH. Its primary purpose is to provide a minimalistic operating system specifically designed for container deployments, making it an ideal choice for Cloud and server applications. Flatcar Linux focuses on security, robustness, and easy updates.
Security Aspects Flatcar Linux places great emphasis on security. The system kernel and all key components are updated centrally, minimizing the risk of security issues. Additionally, the system supports SELinux (Security-Enhanced Linux), providing a set of security rules for better protection against unauthorized access.
Automatic Updates One of the main features of Flatcar Linux is support for automatic updates, allowing the system to remain constantly updated with the latest security fixes and features without manual intervention. These updates are distributed using a two-channel update system, enabling users to test new versions before full deployment.
Integration with Container Technologies Flatcar Linux is optimized for running containers and is compatible with Docker and rkt (now archived), popular container management tools. Furthermore, the system supports Kubernetes, a leading container orchestrator, making it an ideal platform for microservices and cloud-native applications.
Architecture and Compatibility Flatcar Linux supports x86_64 and ARM architectures, allowing it to run on a wide range of hardware from cloud servers to edge devices. The system can be deployed in both virtual machines and physical hardware, making it a flexible solution for various deployment scenarios.
Flatcar Linux offers a reliable and secure platform for those seeking an efficient solution for running and managing containers. With its support for automatic updates, security features, and high level of integration with major containerization tools, Flatcar Linux remains at the forefront of innovation in operating systems designed for modern cloud technologies.
