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
securityConfigure HAProxy advanced routing with ACLs and maps for intelligent traffic management
Set up sophisticated traffic routing in HAProxy using Access Control Lists (ACLs) and map files for dynamic backend selection, SSL SNI routing, and intelligent request distribution based on headers, paths, and custom conditions.
Set up NGINX log analysis and monitoring with Prometheus and Grafana dashboards
Configure comprehensive NGINX monitoring with Prometheus exporters, structured log parsing, and real-time Grafana dashboards for web server observability and performance analysis.
Deploy Podman containers with Kubernetes YAML manifests and kubectl integration
Learn how to deploy and manage Podman containers using Kubernetes YAML manifests with kubectl integration. This tutorial covers systemd user services, YAML generation, pod networking, and volume management.
Monitor WireGuard VPN server with Prometheus and Grafana dashboards
Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.
Configure Traefik with Consul service discovery for dynamic load balancing
Set up Traefik 3.1 reverse proxy with Consul service discovery to automatically route traffic to services without manual configuration. Learn dynamic routing, SSL automation, health checks, and monitoring setup for production environments.
Configure nginx reverse proxy for Podman containers with SSL and load balancing
Set up nginx as a reverse proxy for Podman containers with SSL termination, health checks, and load balancing. Includes automated SSL certificate management with Let's Encrypt and container integration.
Set up NGINX monitoring with Prometheus and Grafana for web server observability
Monitor your NGINX web server performance and health with Prometheus metrics collection and Grafana dashboards. Set up comprehensive observability including request rates, response times, error tracking, and automated alerting for production web servers.
Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing
Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.
Set up OpenTelemetry custom instrumentation and metrics collection with Prometheus integration
Configure OpenTelemetry Collector with custom metrics exporters and processors, set up application instrumentation with SDKs, and integrate with Prometheus and Grafana for comprehensive distributed system monitoring and observability.
Integrate MinIO with Prometheus monitoring for performance metrics and observability
Set up comprehensive monitoring for your MinIO object storage cluster with Prometheus metrics collection, Grafana visualization dashboards, and automated alerting rules for production environments.
Configure advanced Grafana dashboards and alerting with Prometheus integration
Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.
Configure SonarQube high availability clustering with PostgreSQL and load balancing
Set up enterprise-grade SonarQube clustering with PostgreSQL database replication, multiple application nodes, and HAProxy load balancing for zero-downtime code quality analysis across distributed teams.
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