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From PromQL's four data types to instant and range vector selectors, label matchers, time durations, and the offset and @ modifiers

Six touches that shaped the reading experience — progress bar, table of contents, series navigation

Going beyond static_configs to auto-discover scrape targets across file, DNS, Consul, Kubernetes, and cloud environments

Anatomy of prometheus.yml -- scrape_configs, relabeling, and zero-downtime config reloads

Prometheus binary and Docker installation, first run with Web UI and expression browser walkthrough