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Operational notes for teams keeping services online.

Articles from MarionetteOps about uptime monitoring, server operations, incident response, and status page communication.

May 26, 2026

Push Notifications Are an Alert Channel, Not a Strategy

APNs and mobile push are useful for operations alerts, but they should be one layer in a monitored escalation path.

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May 25, 2026

Ubuntu and Debian Server Upgrades in 2026

Ubuntu 26.04 LTS and Debian 13 make server refresh planning timely, but production upgrades still need compatibility checks, rehearsal, and monitoring.

Linux server monitoring Ubuntu 26.04 LTS Debian 13 server upgrade checklist infrastructure monitoring production server operations

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May 24, 2026

Redis Caches Need Correctness Checks Too

Redis 8 adds more built-in data capabilities, but cache monitoring still has to cover freshness, memory pressure, eviction, and failure behavior.

Redis monitoring Redis 8 cache monitoring memory eviction monitoring application performance monitoring production cache operations

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May 23, 2026

Kubernetes Checks That Fit on One Screen

Kubernetes 1.36 gives teams a mature platform, but the best first dashboard still focuses on customer paths, workload health, and capacity.

Kubernetes monitoring Kubernetes 1.36 container monitoring cluster health monitoring Kubernetes uptime monitoring infrastructure monitoring

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