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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringImplement OpenResty rate limiting and DDoS protection with advanced Lua rules
Set up comprehensive rate limiting and DDoS protection for OpenResty using nginx directives, Redis-backed Lua middleware, and advanced security rules with monitoring and alerting.
Configure advanced iptables QoS with fwmark and multiple interfaces
Set up traffic shaping with iptables packet marking, HTB queueing discipline, and multi-interface QoS policies for bandwidth management and network performance optimization.
Configure Redis 7 cluster SSL encryption and authentication for production security
Secure your Redis 7 cluster with TLS encryption, client authentication, and inter-node SSL communication for production environments. Includes certificate generation, authentication setup, and security validation.
Implement Consul multi-datacenter replication with WAN federation
Set up Consul WAN federation to replicate services and configuration across multiple datacenters with ACL token replication, health monitoring, and automatic failover capabilities.
Configure Spark on Kubernetes with cluster autoscaling for dynamic workloads
Deploy Apache Spark 3.5 on Kubernetes with automatic cluster scaling, dynamic resource allocation, and comprehensive monitoring for production data processing workloads.
Configure FastAPI rate limiting and security middleware with Redis and authentication
Set up production-ready FastAPI applications with Redis-backed rate limiting, security middleware, and JWT authentication to protect against abuse and secure your API endpoints.
Setup FastAPI email verification and password reset functionality with Redis and PostgreSQL
Build secure user authentication with email verification and password reset features in FastAPI using Redis for session management and PostgreSQL for user storage.
Optimize Varnish 7 cache storage with memory tuning and persistence configuration
Configure Varnish 7 memory allocation and storage backends for optimal cache performance. Set up file-based persistence and tune memory parameters for high-traffic workloads with monitoring.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.
Configure Lighttpd 1.4 load balancing with multiple backend servers for high availability
Set up Lighttpd with mod_proxy to distribute traffic across multiple backend servers, implement health checks for automatic failover, and configure SSL termination for a robust high availability web infrastructure.
Set up Kubernetes monitoring with Prometheus Operator and custom metrics
Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.
Implement Istio observability with Jaeger tracing and Kiali dashboard for Kubernetes service mesh
Configure comprehensive observability for your Kubernetes service mesh with Jaeger distributed tracing, Kiali visualization, and Prometheus metrics integration. Get complete visibility into microservice communication patterns, performance bottlenecks, and service dependencies.
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