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
securitySetup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)
Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.
Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection
Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.
Optimize Apache HTTP server performance with caching, compression and worker tuning
Boost Apache performance through worker MPM optimization, compression modules, and intelligent caching strategies. Achieve 3-5x performance improvements for high-traffic production workloads.
Configure Linux system logging with rsyslog and journald for centralized log management
Set up comprehensive Linux logging infrastructure using rsyslog for traditional syslog handling and journald for systemd service logs. Configure remote logging, log rotation, filtering rules, and troubleshoot common logging performance issues.
Install and configure OpenTelemetry Collector for distributed tracing and observability
Set up OpenTelemetry Collector to gather distributed traces and metrics from your applications. Configure receivers, processors, and exporters for comprehensive observability with Jaeger and Prometheus integration.
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