Slack Webhook Alerts: Route Downtime to a Channel
A Slack webhook takes five minutes to create. Here is how to get the URL, shape a downtime alert with Block Kit, and know when a channel is not enough.
#monitoring
86 posts tagged "Monitoring".
Server Health Check: Commands, Alerts and Blind Spots
A server health check has two halves: commands on the box for saturation, and a probe from outside for reachability. Here is how to run both.
RTO vs RPO: Two Clocks, and How to Set Both
RTO vs RPO compares two clocks from one failure: time offline and work lost. Set them per workload, and buy down the detection term first.
Redis Health Check: PING, Compose and the Lies
A redis health check built on PING alone misses eviction, replication and failed saves. Here is the compose config and the probe that catch them.
Pingdom Alternatives in 2026: Free Tiers Compared
Pingdom alternatives compared on the things that matter after week one: free tier shape, check interval, alert confirmation and how hard it is to leave.
PagerDuty Integration: Page On-Call from a Monitor
A PagerDuty integration is a service, a key and one HTTP call. Here is the Events API v2 setup, the dedup key that closes incidents, and what to page on.