Infrastructure tutorials

Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.

hosting Advanced

Implement NGINX Plus active health checks for enterprise environments

Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.

45 min 4 distros 837 views
monitoring Intermediate

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

Configure Prometheus Blackbox Exporter to monitor HTTP endpoints, SSL certificates, and DNS resolution with automated alerting rules and Grafana dashboards.

25 min 4 distros 1,459 views
monitoring Intermediate

Configure Prometheus alerting with AlertManager notifications and webhook integration

Set up AlertManager to handle Prometheus alerts with email, Slack, and webhook notifications. Configure alerting rules, notification channels, and test the complete alerting pipeline.

25 min 4 distros 1,001 views
databases Advanced

Configure Elasticsearch cross-cluster replication for disaster recovery

Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.

45 min 4 distros 808 views
databases Advanced

Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover

Set up a production-ready InfluxDB Enterprise cluster with automatic data replication, failover mechanisms, and comprehensive monitoring using Grafana dashboards for time-series workloads.

45 min 4 distros 591 views
security Intermediate

Set up NGINX rate limiting and security headers for DDoS protection

Configure NGINX with comprehensive rate limiting zones, security headers, and DDoS protection rules to secure your web applications against malicious traffic and automated attacks.

25 min 4 distros 1,161 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.

25 min 4 distros 1,437 views
hosting Intermediate

Configure NGINX SSL termination with Certbot for Let's Encrypt certificates

Set up NGINX with automatic SSL certificate management using Let's Encrypt and Certbot, including security headers and automated renewal for production-ready HTTPS termination.

25 min 4 distros 636 views
monitoring Intermediate

Set up Telegraf custom plugins for application monitoring with Prometheus and InfluxDB integration

Learn to build custom Telegraf input plugins for application metrics collection, configure dual output to Prometheus and InfluxDB backends, and create comprehensive monitoring dashboards with Grafana for production observability.

45 min 4 distros 700 views
monitoring Intermediate

Monitor Varnish 7 performance with Prometheus and Grafana dashboards

Set up comprehensive Varnish monitoring using prometheus-varnish-exporter, custom Grafana dashboards, and performance alerting rules for production cache optimization.

25 min 4 distros 618 views
devops Intermediate

Setup advanced Airflow alerting with Slack integration and custom notification rules

Configure Apache Airflow to send intelligent alerts to Slack channels when DAGs fail, with custom notification rules based on task importance and execution context. Includes automated retry logic and escalation workflows.

45 min 4 distros 720 views
security Intermediate

Implement Kubernetes network policies for pod-to-pod security and traffic isolation

Set up granular network security in Kubernetes using Calico CNI with default-deny policies and pod-to-pod communication rules for microsegmentation.

45 min 4 distros 623 views

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