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.

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Configure Linux system time synchronization with chrony and NTP hardening

linux
865

Set up Node.js application security with Helmet and rate limiting

security
744

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
718

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
713

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
711

Recently published

Configure logrotate with Elasticsearch and Kibana integration for automated log management

monitoring
59 minutes ago

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

linux
1 hour ago

Configure SSH key authentication and security hardening

security
1 hour ago

Configure PostgreSQL 17 SSL encryption and advanced security hardening

security
1 hour ago

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

security
9 hours ago
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monitoring Advanced

Configure advanced Grafana dashboards and alerting with Prometheus integration

Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.

45 min 4 distros 197 views
monitoring Intermediate

Monitor OpenVPN connections with Grafana dashboard and Prometheus metrics

Set up comprehensive monitoring for your OpenVPN server using Prometheus to collect connection metrics and Grafana to visualize client connections, bandwidth usage, and server performance through custom dashboards.

45 min 4 distros 78 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.

45 min 4 distros 171 views
databases Intermediate

Implement MinIO data lifecycle management and automated archival with S3 retention policies

Configure MinIO lifecycle policies to automatically transition and expire objects based on age and storage class. Set up intelligent tiering and automated archival to optimize storage costs and compliance with data retention requirements.

35 min 4 distros 289 views
monitoring Advanced

Monitor MariaDB Galera cluster with Prometheus and Grafana for high availability insights

Configure comprehensive monitoring for MariaDB Galera clusters using Prometheus exporters and Grafana dashboards to track cluster health, replication status, and performance metrics with automated alerting for production environments.

45 min 4 distros 121 views
monitoring Intermediate

Set up OpenTelemetry metrics collection with Prometheus integration for distributed system monitoring

Configure OpenTelemetry Collector to gather metrics from distributed services and export them to Prometheus for comprehensive observability monitoring. This integration provides unified metrics collection across your microservices architecture.

25 min 4 distros 144 views
monitoring Intermediate

Monitor Elasticsearch cluster with Prometheus and Grafana dashboards

Set up comprehensive Elasticsearch cluster monitoring using Prometheus Elasticsearch Exporter and Grafana dashboards. Configure alerting rules for cluster health, performance metrics, and automated notifications.

45 min 4 distros 174 views
monitoring Advanced

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

Configure comprehensive monitoring for keepalived VRRP clusters using Prometheus metrics collection, alerting rules for failover events, and Grafana dashboards for high availability visualization.

45 min 4 distros 124 views
monitoring Advanced

Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation

Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.

45 min 4 distros 137 views
monitoring Intermediate

Set up ClickHouse monitoring with Prometheus and Grafana dashboards

Configure comprehensive ClickHouse monitoring using Prometheus for metrics collection and Grafana for visualization. Set up system metrics, query performance monitoring, and alerting rules for production ClickHouse deployments.

45 min 4 distros 243 views
monitoring Intermediate

Monitor Cherokee web server performance with custom Grafana dashboards and Prometheus alerts

Set up comprehensive monitoring for Cherokee web server with Prometheus metrics collection, custom Grafana dashboards for performance visualization, and automated alerting for critical performance thresholds.

45 min 4 distros 169 views
monitoring Intermediate

Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring

Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.

45 min 4 distros 166 views

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