Reference

These pages include reference material for deploying, operating and integrating with COS. Use it when you need exact requirements, compatibility matrices, or operational hardening guidance.

Release & lifecycle

Information about releases, timelines and our policy for updates and compatibility.

• Release Notes
• Release Policy
• System Requirements

Security

Hardware, software and security guidance required for production use. Consult these pages before planning or hardening a deployment.

• Security Hardening Guide
• Cryptographic Documentation

Topology

Topology reference pages describing how COS makes us of Juju topology as telemetry labels.

• Model Topology for COS Lite
• Juju Topology Labels

Integrations & artifacts

Compatibility and packaging information for charms, snaps, and rocks (OCI images).

• Integration Matrix
• Charms
• Snaps
• Rock OCI Images

Deployment best practices

Operational guidance and recommended patterns for deploying and managing COS in production.

• Deployment Best Practices