Uptime Monitoring Tools: Five Decisions Before the Vendor
Uptime monitoring tools compared on five decisions: check type, interval, confirmation, alert routing and status page, with vendor figures from September 2026.
#monitoring
86 posts tagged "Monitoring".
Ping Monitoring: What ICMP Checks Prove and Miss
Ping monitoring tells you an address answers ICMP, nothing more. Here is how echo requests work, what they hide, and when a TCP check is the better signal.
Health Check Endpoint Design: What It Should Return
A health check endpoint answers one question for one caller. Here is how to pick the caller, choose 200 or 503, and keep the wrong things out of the body.
Docker Health Check: Syntax, Compose, and Gotchas
A docker health check tells the daemon whether your container can still serve. Here is the syntax, the Compose ordering trick, and what it cannot see.
Port Monitoring: Check TCP and UDP Services
Port monitoring tells you a listener answered on host and port. Here is what that proves, what it does not, and which ports deserve a check.
Five Nines Uptime: What 99.999% Really Costs
Five nines means 99.999% availability, about 5 minutes 15 seconds of downtime a year, and a budget smaller than most checks can resolve.