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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securitySet up Zabbix proxy for distributed network monitoring
Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.
Implement Envoy proxy JWT authentication with OAuth2 integration
Configure Envoy proxy with JWT authentication filters integrated with Keycloak OAuth2 provider for secure microservices communication and advanced rate limiting policies.
Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments
Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.
Configure custom Grafana plugins for specialized monitoring requirements
Build custom Grafana data source and panel plugins from scratch, then deploy them securely in production environments with proper authentication and access controls.
Implement Grafana high availability clustering with PostgreSQL backend and load balancing
Set up a production-ready Grafana high availability cluster with PostgreSQL shared database backend and HAProxy load balancing for enterprise monitoring infrastructure with automatic failover.
Configure Apache Airflow data lineage tracking with OpenLineage for comprehensive workflow observability
Set up OpenLineage with Apache Airflow to track data lineage across workflows, providing comprehensive observability into data transformations, dependencies, and quality issues in production environments.
Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability
Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.
Implement TimescaleDB data retention policies for time-series optimization
Learn to configure automated data retention policies in TimescaleDB for efficient storage management. Set up compression, continuous aggregates, and automated data lifecycle policies to optimize time-series database performance and reduce storage costs.
Configure TimescaleDB backup and recovery with pgBackRest for automated PostgreSQL protection
Set up pgBackRest with TimescaleDB for automated backups, point-in-time recovery, and database protection. Includes configuration for local and remote repositories, scheduled backups, and comprehensive restore procedures.
Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption
Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.
Implement Consul Connect mTLS with Vault PKI backend for secure service mesh communication
Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.
Configure Podman secrets management with HashiCorp Vault integration
Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.
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