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bongoDev | Prometheus & Grafana Pro - Knowledge Hub

Knowledge Hub/Prometheus & Grafana Pro

Englishবাংলা

Learning path

Prometheus & Grafana Pro

Production metrics and observability for DevOps/SRE: Prometheus architecture, instrumentation, exporters, PromQL, histograms, recording and alerting rules, Alertmanager, TSDB, remote write, Kubernetes monitoring, Grafana dashboards/alerting/provisioning, SLOs, cardinality, security, debugging, command playbook and cheatsheet.

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৳ 320.00৳ 120.00Save ৳ 200.00

Lessons

38 published lessons · 1 free preview

01Observability & Metrics Mental ModelUnderstand observability, monitoring, metrics, symptoms, causes, telemetry signals and where Prometheus and Grafana fit in production engineering.Beginner · 24 min readFree previewFree preview
02Prometheus Data Model, Metric Types, Labels & NamingLearn time series, label sets, counters, gauges, histograms, summaries, native histograms, naming conventions and cardinality economics.

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03Prometheus Architecture: Pull Model, TSDB & EcosystemUnderstand the Prometheus server, scraping, targets, local TSDB, rules, Alertmanager, exporters, Pushgateway and Grafana integration.Beginner · 28 min readLockedLocked

04Install Prometheus & Build the First ScrapeRun Prometheus, understand prometheus.yml, scrape itself, validate configuration and inspect health, readiness and target state.Beginner · 28 min readLockedLocked

05Scrape Configuration, Targets, Service Discovery & RelabelingMaster scrape jobs, intervals, paths, labels, dynamic discovery and relabeling for production target control.Intermediate · 34 min readLockedLocked

06Application Instrumentation & Metric DesignDesign useful application metrics with client libraries, stable labels, base units, initialization and operational questions in mind.Intermediate · 32 min readLockedLocked

07Exporters & Node Exporter for Infrastructure MetricsUse exporters to expose host and third-party system metrics, with Node Exporter as the primary Linux infrastructure example.Intermediate · 30 min readLockedLocked

08Blackbox Exporter & Synthetic MonitoringProbe systems from the outside using HTTP, TCP, ICMP and DNS-style checks and separate service health from exporter health.Intermediate · 30 min readLockedLocked

09Pushgateway, Batch Jobs & Push-vs-Pull DecisionsUse Pushgateway only where its lifecycle semantics fit, and understand safer alternatives for machine-level batch jobs.Intermediate · 24 min readLockedLocked

10PromQL Foundations: Selectors, Matchers, Instant & Range VectorsBuild a precise PromQL mental model with label matchers, instant vectors, range vectors, scalar values and evaluation time.Intermediate · 34 min readLockedLocked

11PromQL Counters: rate, increase, irate & Counter ResetsQuery counters correctly and understand reset handling, window selection and why raw counter graphs mislead.Intermediate · 32 min readLockedLocked

12PromQL Gauges, State Changes & Capacity QueriesUse gauges for current state, deltas, trends, saturation and capacity questions without applying counter semantics.Intermediate · 26 min readLockedLocked

13PromQL Aggregation, Operators & Top-K AnalysisAggregate high-dimensional data safely using sum, avg, min, max, count, topk, bottomk and label-aware grouping.Intermediate · 30 min readLockedLocked

14PromQL Vector Matching & JoinsCombine metric families using matching labels, on, ignoring, group_left and group_right without accidentally creating invalid many-to-many joins.Advanced · 34 min readLockedLocked

15Histograms, Summaries, Quantiles & Native HistogramsChoose and query latency distributions correctly, including classic histograms, native histograms, summaries, averages, percentiles and aggregation.Advanced · 38 min readLockedLocked

16Advanced PromQL: absent, offsets, subqueries & Time SemanticsUse absent checks, offsets, subqueries, comparison modifiers and time-aware functions for real incident analysis.Advanced · 34 min readLockedLocked

17Recording Rules: Precompute Expensive & Repeated QueriesUse recording rules to turn expensive or repeatedly used PromQL into stable derived time series for dashboards, alerts and SLOs.Advanced · 30 min readLockedLocked

18Prometheus Alerting Rules: Symptoms, for, Labels & AnnotationsWrite actionable Prometheus alert rules with stable labels, pending durations, useful annotations and symptom-oriented conditions.Advanced · 34 min readLockedLocked

19Alertmanager: Grouping, Routing, Deduplication, Silences & InhibitionDesign notification routing trees, grouping, timing, receivers, silences and inhibition so incidents produce useful pages rather than alert storms.Advanced · 36 min readLockedLocked

20Rule Validation & Unit Testing with promtoolTreat Prometheus configuration and rule logic as code using syntax checks and deterministic promtool rule tests in CI.Advanced · 30 min readLockedLocked

21Prometheus TSDB: WAL, Blocks, Retention & CompactionUnderstand local Prometheus storage behavior, WAL, blocks, retention, disk sizing, corruption risk and why observability must monitor itself.Advanced · 34 min readLockedLocked

22Remote Write, Federation & Long-Term Metrics ArchitecturesUnderstand when local Prometheus is enough and when remote write, federation or horizontally scalable Prometheus-compatible storage becomes necessary.Advanced · 34 min readLockedLocked

23OpenTelemetry, Grafana Alloy & Prometheus InteroperabilityConnect Prometheus metrics with OpenTelemetry pipelines and Grafana Alloy, including scraping, OTLP ingestion and remote write boundaries.Advanced · 30 min readLockedLocked

24High Availability for Prometheus & AlertmanagerDesign pragmatic HA with independent Prometheus replicas, duplicate alert evaluation and clustered Alertmanager notification deduplication.Advanced · 30 min readLockedLocked

25Kubernetes Monitoring with Prometheus OperatorUse Prometheus Operator concepts, Prometheus CRs, ServiceMonitor and PodMonitor resources to declaratively manage Kubernetes scraping.Advanced · 34 min readLockedLocked

26Kubernetes Metrics: kube-state-metrics, cAdvisor, Node & WorkloadsSeparate infrastructure resource metrics from Kubernetes object-state metrics and combine them for useful cluster diagnosis.Advanced · 34 min readLockedLocked

27Grafana Architecture, Data Sources & ExploreUnderstand Grafana as a query and visualization layer, configure Prometheus as a data source and use Explore before building dashboards.Beginner · 28 min readLockedLocked

28Grafana Dashboards, Panels, Units & TransformationsBuild operational dashboards with clear hierarchy, appropriate visualizations, units, thresholds, transformations and minimal cognitive load.Intermediate · 34 min readLockedLocked

29Grafana Variables, Annotations & Reusable Dashboard DesignBuild reusable dashboards with Prometheus variables, filters, annotations, stable UIDs and links without creating unbounded query fan-out.Intermediate · 32 min readLockedLocked

30Grafana Alerting vs Prometheus-Native AlertingChoose between Grafana-managed alert rules and Prometheus data-source-managed rules while understanding evaluation, variables, routing and ownership boundaries.Advanced · 34 min readLockedLocked

31Grafana Provisioning & Observability as CodeProvision data sources, dashboards and alert resources through files/APIs/Terraform-style workflows so observability is reviewable and reproducible.Advanced · 34 min readLockedLocked

32RED, USE & Golden Signals for Production DashboardsApply RED, USE and golden-signal heuristics to design dashboards that move from user symptoms to resource saturation and causes.Intermediate · 28 min readLockedLocked

33SLIs, SLOs, Error Budgets & Burn-Rate AlertingTurn metrics into reliability objectives with good-event ratios, error budgets and fast/slow burn alerts tied to user impact.Advanced · 38 min readLockedLocked

34Cardinality, Query Performance & Cost EngineeringControl active-series growth, expensive queries, dashboard fan-out and remote-write costs with metric governance and TSDB analysis.Advanced · 36 min readLockedLocked

35Security & Production Hardening for Prometheus and GrafanaSecure metrics endpoints, Prometheus, Alertmanager and Grafana with network controls, authentication, TLS, RBAC, secret handling and change governance.Advanced · 32 min readLockedLocked

36Prometheus & Grafana Debugging PlaybookTroubleshoot missing metrics, scrape failures, bad PromQL, slow dashboards, rule failures, alert-routing issues, remote-write backlog and storage incidents systematically.Advanced · 42 min readLockedLocked

37Prometheus, Alertmanager & Grafana Command / Query PlaybookLearn high-value operational commands and API/query checks, with an explanation of what each one proves during deployment or incidents.Advanced · 40 min readLockedLocked

38Prometheus & Grafana Pro CheatsheetA compact production reference for architecture, metrics, PromQL, rules, Alertmanager, Kubernetes monitoring, Grafana, SLOs, commands and debugging.Advanced · 38 min readLockedLocked