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
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 enterprise network QoS with Cisco integration using FRRouting and traffic shaping
Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.
Implement OpenResty rate limiting and DDoS protection with advanced Lua rules
Set up comprehensive rate limiting and DDoS protection for OpenResty using nginx directives, Redis-backed Lua middleware, and advanced security rules with monitoring and alerting.
Setup OpenResty load balancing with health checks and automatic failover
Configure OpenResty with upstream backend servers, implement health monitoring, and set up automatic failover for high availability load balancing.
Configure ArgoCD Image Updater for automated container deployments
Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.
Implement Network Time Security (NTS) for encrypted time synchronization with chrony
Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.
Implement Istio security scanning and vulnerability management for Kubernetes service mesh
Set up comprehensive security scanning and vulnerability management for Istio service mesh using Trivy, Falco, and security policies to protect Kubernetes workloads from threats and compliance violations.
Set up Kubernetes container image security scanning with Trivy and admission controllers
Implement automated security scanning for Kubernetes container images using Trivy scanner and admission controllers to block vulnerable images before deployment.
Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies
Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.
Setup Caddy automatic SSL certificates with Let's Encrypt and DNS challenges
Configure Caddy 2 web server with automatic SSL certificate provisioning using Let's Encrypt and DNS challenge authentication for secure HTTPS automation.
Optimize Elasticsearch 8 search performance with custom analyzers and field mappings
Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.
Configure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
Set up automated monitoring for MySQL backups with Prometheus metrics collection, alerting rules for backup failures, and comprehensive Grafana dashboards for backup status visualization.
Set up MySQL point-in-time recovery with binary logs for database backup and restore
Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.
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