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#monitoring

4 articles tagged monitoring.

16 min read

Expired, then deleted: the credential dates nobody is watching

A nightly export ran green for six weeks while sending nothing, because the API key it used had an expiration date on it and a housekeeping cron deleted the record the day after it lapsed. The three ways a credential dies, why only one of them is loud, and the register, the gauge and the authenticated probe that turn a surprise outage into a calendar entry.

devopssecuritymonitoringobservabilityodoo
18 min read

The stale screen problem: offline-first signage that fails loudly

A dark screen is a support ticket. A screen still showing last week's price is a lie in your store, and nothing in a normal monitoring stack will tell you about it. Content as a versioned bundle instead of a URL, day-parts that depend on a clock you don't control, expiry as a safety feature, and telemetry that reports what's actually on the glass.

signagearchitecturedevopsmonitoring