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
722

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

hosting
715

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
713

Recently published

Configure logrotate with Elasticsearch and Kibana integration for automated log management

monitoring
3 hours ago

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

linux
3 hours ago

Configure SSH key authentication and security hardening

security
4 hours ago

Configure PostgreSQL 17 SSL encryption and advanced security hardening

security
4 hours ago

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

security
12 hours ago
"storage" × Clear all
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
monitoring Advanced

Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing

Set up a comprehensive observability stack by integrating OpenTelemetry Collector with Elasticsearch, Logstash, and Kibana for distributed tracing, metrics collection, and unified monitoring across microservices and applications.

45 min 4 distros 114 views
security Intermediate

Set up centralized logging with rsyslog and logrotate for security events

Configure a centralized rsyslog server to collect security events from multiple systems, implement automated log rotation with logrotate, and set up filtering and alerting for critical security incidents across your infrastructure.

45 min 4 distros 150 views
security Intermediate

Configure Node.js JWT authentication with Redis session storage and security hardening

Set up secure JWT authentication for Node.js applications with Redis session storage, security middleware, and production-ready hardening practices.

45 min 4 distros 127 views
performance Advanced

Optimize Linux RAID configuration for maximum disk performance with mdadm and advanced tuning

Learn how to configure and optimize Linux RAID arrays with mdadm for maximum disk performance. This comprehensive guide covers RAID level selection, advanced mdadm parameters, kernel I/O scheduler optimization, and file system tuning for high-throughput workloads.

45 min 4 distros 302 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 290 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 Advanced

Implement Thanos multi-cluster federation for global Prometheus metrics aggregation

Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.

45 min 4 distros 141 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 145 views
devops Intermediate

Integrate Redis 7 with microservices architecture for caching and session management

Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.

45 min 4 distros 203 views
databases Intermediate

Implement Redis backup automation with RDB and AOF persistence

Set up automated Redis backups using RDB snapshots and AOF logging with verification scripts and monitoring alerts. Configure persistent data storage, automated backup scheduling, and comprehensive backup validation for production Redis deployments.

45 min 4 distros 121 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 125 views

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