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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Most viewed

Configure Linux system time synchronization with chrony and NTP hardening

linux
867

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
730

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

hosting
723

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
714

Recently published

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
3 hours ago

Configure NGINX HTTP/2 server push and connection multiplexing

performance
3 hours ago

Configure NGINX SSL certificate automation with Certbot and renewal monitoring

hosting
3 hours ago

Monitor FastAPI applications with Prometheus and Grafana for production observability

monitoring
3 hours ago

Configure logrotate with Elasticsearch and Kibana integration for automated log management

monitoring
8 hours ago

All tutorials

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devops Intermediate

Implement Kubernetes resource quotas and limits for namespace isolation and workload management

Configure namespace resource quotas, container resource limits, and limit ranges to ensure fair resource allocation and prevent resource exhaustion in multi-tenant Kubernetes clusters.

25 min 4 distros 527 views
monitoring Intermediate

Implement Airflow DAG monitoring with DataDog integration for production workflows

Set up comprehensive monitoring for Apache Airflow DAGs using DataDog integration. This tutorial covers DataDog agent installation, metrics collection configuration, custom dashboard creation, and alerting rules for production workflow observability.

45 min 4 distros 311 views
monitoring Intermediate

Monitor container performance with Prometheus and cAdvisor for comprehensive metrics collection

Set up comprehensive container monitoring with cAdvisor, Prometheus, and Grafana to collect detailed metrics on CPU, memory, network, and disk usage. This tutorial covers installation, configuration, and alerting for production-ready container performance monitoring.

35 min 4 distros 460 views
performance Intermediate

Configure Lighttpd 1.4 with Redis caching for high-performance websites

Set up Lighttpd web server with Redis caching to dramatically improve website performance through intelligent content caching, reducing server load and response times for high-traffic applications.

25 min 4 distros 515 views
devops Intermediate

Configure Istio traffic management with virtual services and destination rules

Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.

25 min 4 distros 340 views
security Intermediate

Configure Linux audit logging for security compliance and monitoring

Set up comprehensive audit logging with auditd daemon to track file system changes, process execution, and network connections for security compliance and forensic analysis.

35 min 4 distros 422 views
security Intermediate

Configure backup encryption with GPG and rsync for secure automated backups

Set up automated encrypted backups using GPG 2.4 and rsync with systemd timers. This tutorial covers GPG key management, encrypted backup scripts, and restoration procedures for production environments.

45 min 4 distros 522 views
devops Intermediate

Configure Kubernetes persistent volumes with NFS storage for container data persistence

Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.

25 min 4 distros 339 views
monitoring Intermediate

Setup OpenResty monitoring with Prometheus and Grafana dashboards for performance analytics

Configure comprehensive monitoring for OpenResty web server using nginx-lua-prometheus module to collect metrics, Prometheus for storage, and Grafana for visualization with custom dashboards and alerting rules.

45 min 4 distros 509 views
security Advanced

Setup Elasticsearch 8 authentication with LDAP and Active Directory integration

Configure Elasticsearch 8 with X-Pack security to authenticate users against LDAP and Active Directory servers. This tutorial covers LDAP realm configuration, role-based access control, and troubleshooting authentication issues.

45 min 4 distros 296 views
security Advanced

Implement OpenResty JWT authentication with OAuth2 integration for secure web applications

Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.

45 min 4 distros 483 views
security Advanced

Configure Redis Sentinel with SSL/TLS encryption and authentication for high availability

Set up a production-grade Redis Sentinel cluster with SSL/TLS encryption, authentication, and automatic failover for high availability. This tutorial covers certificate generation, security configuration, and monitoring setup.

45 min 4 distros 362 views

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