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 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
databasesImplement 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 Kubernetes Pod Security Standards with admission controllers for policy enforcement
Learn how to implement Kubernetes Pod Security Standards using built-in admission controllers and OPA Gatekeeper for comprehensive policy enforcement, security compliance, and workload protection in production clusters.
Configure Podman image scanning with Trivy security vulnerability detection
Set up automated container image security scanning using Trivy with Podman to detect vulnerabilities, misconfigurations, and security issues before deploying containers to production.
Optimize ClickHouse performance for high-throughput workloads with advanced tuning and memory management
Learn how to optimize ClickHouse for high-throughput analytics workloads through advanced memory configuration, query performance tuning, storage engine optimization, and connection pooling strategies.
Set up TimescaleDB high availability with streaming replication and automatic failover
Configure TimescaleDB with PostgreSQL streaming replication for high availability. Set up primary and standby servers with hot standby mode, implement automatic failover with pg_auto_failover, and monitor replication status for production-ready time-series database clustering.
Optimize NGINX performance for high-traffic websites with advanced configuration and tuning
Configure NGINX for maximum performance with worker process optimization, advanced caching strategies, HTTP/2 tuning, and security hardening for high-traffic production environments.
Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management
Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.
Set up Apache Airflow DAG security policies and data governance with RBAC and audit logging
Configure comprehensive security for Apache Airflow with role-based access control, DAG-level permissions, data lineage tracking, and audit logging for compliance monitoring in production environments.
Configure Apache Airflow with SSL certificates and NGINX reverse proxy for secure production deployment
Set up Apache Airflow behind NGINX with SSL certificates, security headers, and reverse proxy configuration for production-grade deployments with HTTPS termination.
Set up Zabbix 7 distributed monitoring with proxy servers for scalable infrastructure oversight
Configure Zabbix proxy servers to distribute monitoring loads across multiple network segments with encrypted communication, automated discovery, and centralized management for enterprise-scale infrastructure monitoring.
Configure Apache Airflow DAG version control with Git and CI/CD pipelines
Set up Git-based version control for Apache Airflow DAGs with automated CI/CD pipelines for testing and deployment. Implement DAG synchronization, validation workflows, and production-ready deployment strategies.
Configure SSL certificates and security hardening for Nexus Repository Manager
Secure your Nexus Repository Manager with SSL/TLS certificates, enforce HTTPS connections, and implement comprehensive security hardening including authentication controls, access policies, and audit logging for production environments.
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