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 Prometheus monitoring for ArgoCD with metrics collection and Grafana dashboards
Set up comprehensive ArgoCD monitoring with Prometheus metrics collection, custom service discovery, and Grafana dashboards. Configure alerting rules for deployment failures and performance issues to maintain GitOps visibility.
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 Prometheus Alertmanager with email notifications for production monitoring
Set up Prometheus Alertmanager to send email notifications when your systems trigger alerts. This tutorial covers SMTP configuration, alert routing rules, and email template customization for production monitoring workflows.
Configure Kubernetes External DNS for automatic DNS record management with cloud providers
Set up External DNS controller to automatically create and manage DNS records for your Kubernetes services and ingresses. This tutorial covers installation, cloud provider integration, and security configuration for production-ready DNS automation.
Configure Thanos Receiver clustering for high availability and load distribution
Set up Thanos Receiver clustering with hashring configuration to distribute Prometheus remote write traffic across multiple replicas for high availability and scalability.
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.
Set up multi-location monitoring with distributed Uptime Kuma instances
Deploy multiple Uptime Kuma instances across different geographic locations to monitor your services from various vantage points. This setup provides comprehensive monitoring coverage, reduces false positives, and enables regional performance analysis with centralized alerting.
Implement Thanos multi-cluster federation for global Prometheus metrics aggregation
Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.
Monitor Elasticsearch cluster with Prometheus and Grafana dashboards
Set up comprehensive Elasticsearch cluster monitoring using Prometheus Elasticsearch Exporter and Grafana dashboards. Configure alerting rules for cluster health, performance metrics, and automated notifications.
Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation
Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.
Integrate Consul with Kubernetes service discovery and automatic configuration
Set up Consul for dynamic service discovery in Kubernetes clusters with automatic service registration, health checks, and configuration management for microservices orchestration.
Configure Istio security policies with mutual TLS and authorization for Kubernetes service mesh
Configure mutual TLS authentication and authorization policies in Istio service mesh for secure microservices communication. This tutorial covers PeerAuthentication, AuthorizationPolicy, and RBAC configuration for production Kubernetes environments.
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