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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringFix apt update E: Repository no longer has a Release file
linuxInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Set up automated MariaDB Galera cluster backups with compression
databasesConfigure MariaDB ColumnStore for high-performance analytics workloads
databasesImplement Kibana 8 custom threat hunting dashboards for security incident response
monitoringConfigure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsConfigure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery
Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.
Set up nftables IPv6 NAT and dual-stack networking with firewall rules and traffic forwarding
Configure nftables with IPv6 NAT masquerading, dual-stack IPv4/IPv6 forwarding, and comprehensive firewall rules for secure network routing and traffic management on modern Linux systems.
Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows
Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.
Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement
Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.
Implement NGINX Lua scripting for advanced caching logic with OpenResty
Configure OpenResty with Lua scripting for advanced caching strategies including dynamic cache keys, intelligent TTL management, and conditional cache invalidation based on business logic.
Configure Apache HTTP/2 with performance optimization and modern security headers
Enable HTTP/2 protocol in Apache with SSL/TLS encryption, implement advanced performance optimization settings including compression and caching, and configure modern security headers for production deployments.
Configure Cherokee web server reverse proxy and load balancing with SSL
Set up Cherokee web server with reverse proxy capabilities, load balancing across backend servers, and SSL encryption for high-performance production environments.
Set up Spark 3.5 Delta Lake with MinIO for ACID transactions and big data analytics
Configure Apache Spark 3.5 with Delta Lake and MinIO object storage for ACID transactions, data versioning, and distributed analytics processing. Includes complete setup for production-grade data lake architecture.
Deploy Deno applications with Docker containers and production optimization
Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.
Set up MongoDB 8.0 sharding cluster for horizontal scaling with replica sets and automated balancing
Configure a production-grade MongoDB 8.0 sharded cluster with replica sets, config servers, and mongos routers for horizontal scaling. This tutorial covers automated chunk balancing, high availability, and enterprise-ready deployment patterns.
Set up Node.js application security with Helmet and rate limiting
Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.
Configure Nginx Redis caching with SSL authentication and security hardening
Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.
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