How-to guides

These guides accompany you through the complete COS stack operations life cycle.

Note

If you are looking for instructions on how to get started with COS Lite, see the tutorial section.

Migrating

These guides till assist existing users of other observability stacks offered by Canonical in migrating to COS Lite or the full COS.

• Migrate from LMA to COS Lite
• Migrate from COS Lite to COS
• Migrate from Grafana Agent to OpenTelemetry Collector

Configuring

Once COS has been deployed, the next natural step would be to integrate your charms and workloads with COS to actually observe them.

• Evaluate telemetry volume
• Add tracing to COS Lite
• Add alert rules
• Configure scrape jobs
• Expose a metrics endpoint
• Integrate COS Lite with uncharmed applications
• Disable built-in charm alert rules
• Testing with Minio
• Configure TLS encryption

Troubleshooting

During continuous operations, you might sometimes run into issues that you need to resolve. These how-to guides will assist you in troubleshooting COS in an effective manner.

• Troubleshoot “Gateway Address Unavailable” in Traefik

• Troubleshoot “socket: too many open files”

• Troubleshoot integrations