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
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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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Implement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
databasesSetup 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.
Optimize DuckDB performance for large datasets with partitioning
Configure DuckDB with advanced partitioning strategies and memory optimization for processing multi-gigabyte datasets efficiently. Includes Python integration, query optimization techniques, and comprehensive monitoring setup.
Configure DuckDB cluster setup for distributed analytics and high performance workloads
Set up a DuckDB cluster with distributed query processing, network security, and performance optimization for high-throughput analytical workloads across multiple nodes.
Setup DuckDB with Apache Airflow for automated data pipelines
Configure DuckDB as a high-performance analytical database backend for Apache Airflow workflows. Build automated data pipelines that process files, APIs, and databases using DuckDB's columnar engine.
Configure Apache Airflow DAG performance optimization best practices
Optimize Apache Airflow DAGs for production with parallelism tuning, resource allocation strategies, and performance monitoring. Learn executor configuration, task dependency optimization, and troubleshooting techniques for high-throughput workflows.
Set up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards
Configure comprehensive Apache Airflow monitoring using DataDog agent to track DAG performance, task execution metrics, and resource utilization with custom dashboards and automated alerting for production workflow management.
Implement Airflow load balancing with Celery executor for high availability workflows
Set up Apache Airflow with Celery executor, Redis cluster backend, HAProxy load balancing, and auto-scaling workers for production-grade workflow orchestration with high availability.
Implement GitLab CI/CD security scanning for Docker images
Set up automated container vulnerability scanning in GitLab CI/CD pipelines with Trivy and registry integration. Implement security gates, quality controls, and automated reporting for production-ready DevSecOps workflows.
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.
Implement Airflow DAG security scanning with Bandit and safety checks
Set up automated security scanning for Apache Airflow DAGs using Bandit for Python code analysis and Safety for vulnerability detection. Configure pre-commit hooks and CI/CD integration for continuous security monitoring.
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 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.
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