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 Kubernetes network policies for pod-to-pod security and traffic isolation
Set up granular network security in Kubernetes using Calico CNI with default-deny policies and pod-to-pod communication rules for microsegmentation.
Configure Kubernetes ingress controller with NGINX and SSL certificates using cert-manager
Set up NGINX Ingress Controller with automated SSL certificate management using cert-manager for secure routing of external traffic to your Kubernetes services. Configure custom domains, SSL automation, and advanced routing rules for production workloads.
Configure audit compliance automation with Ansible for security monitoring and reporting
Build comprehensive security audit compliance automation using Ansible playbooks to enforce security policies, monitor system configurations, and generate compliance reports across your Linux infrastructure fleet.
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.
Configure advanced Grafana dashboards and alerting with Prometheus integration
Build production-ready Grafana dashboards with dynamic variables, custom panels, and sophisticated alert rules. Integrate Prometheus metrics for comprehensive monitoring with multi-condition alerting and notification channels.
Optimize OpenResty performance with advanced caching strategies and Lua optimization
Configure high-performance caching with Redis integration, implement microcaching strategies, and optimize Lua scripts for memory management in production OpenResty deployments.
Configure Kubernetes network policies for enhanced cluster security
Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.
Set up Kubernetes persistent volume snapshots and backup automation
Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.
Implement Django continuous deployment with Git hooks and automated testing
Set up automated Django deployment with Git hooks, testing pipelines, and production rollbacks. Configure continuous integration with database migrations, static file management, and zero-downtime deployments.
Benchmark database performance with sysbench and fio integration
Learn to benchmark MySQL and PostgreSQL database performance using sysbench 1.0.20 combined with fio 3.37 disk I/O testing. This comprehensive guide covers installation, configuration, execution of performance tests, and analysis of results for database optimization in production environments.
Configure centralized cron management with Ansible automation and systemd timers
Set up automated cron job deployment and monitoring across multiple servers using Ansible playbooks with systemd timers for reliable task scheduling and centralized logging.
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