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
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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
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsImplement Kubernetes cluster autoscaling with Helm charts and KEDA for dynamic workload scaling
Configure comprehensive Kubernetes autoscaling with cluster autoscaler for node management, KEDA for event-driven pod scaling, and vertical pod autoscaler for resource optimization. This tutorial covers production-grade deployment using Helm charts with monitoring and optimization strategies.
Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning
Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.
Implement Kubernetes monitoring with Prometheus and Helm charts for comprehensive cluster observability
Deploy a production-ready Prometheus monitoring stack on Kubernetes using Helm charts with ServiceMonitors, alerting rules, and comprehensive cluster observability for metrics collection and monitoring.
Integrate SonarQube with Kubernetes security scanning workflows for continuous code quality analysis
Set up SonarQube scanner in Kubernetes pods with admission controllers for automated security scanning. Configure CI/CD pipeline integration and security reporting for continuous code quality analysis in containerized environments.
Implement Kubernetes admission controllers with OPA Gatekeeper for policy enforcement
Set up OPA Gatekeeper admission controllers to enforce security policies, resource governance, and compliance rules across your Kubernetes cluster with custom constraint templates.
Monitor Istio service mesh with Prometheus and Grafana dashboards
Configure comprehensive monitoring for your Istio service mesh using Prometheus for metrics collection and Grafana for visualization. Set up observability dashboards to track traffic flow, security policies, and service performance with production-ready alerting rules.
Implement Cilium Tetragon runtime security for Kubernetes with eBPF monitoring and threat detection
Deploy Cilium Tetragon for advanced runtime security monitoring in Kubernetes clusters using eBPF technology. Configure security policies, threat detection rules, and real-time monitoring with Grafana dashboards for comprehensive container protection.
Integrate Apache Airflow with Kubernetes RBAC and service accounts for secure workflow orchestration
Configure Apache Airflow KubernetesExecutor with proper RBAC permissions, service accounts, and role bindings to securely orchestrate workflows in Kubernetes environments with least-privilege access controls.
Install and configure Cilium CNI for Kubernetes with eBPF networking and security policies
Set up Cilium as your Kubernetes CNI plugin with advanced eBPF networking, load balancing, and network security policies. Includes Hubble observability for complete network visibility.
Install and configure Istio service mesh for Kubernetes with security policies and observability
Learn to deploy Istio service mesh on Kubernetes with mTLS security, traffic management, and comprehensive observability using Kiali and Jaeger for production microservices.
Install and configure Helm 3 for Kubernetes package management with security and private repositories
Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.
Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
Set up ArgoCD on Kubernetes with SSL certificates, RBAC user management, and high availability for production GitOps continuous deployment workflows.
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