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
monitoringConfigure SonarQube LDAP authentication and user management with Active Directory integration
Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.
Implement MinIO security hardening with IAM policies and audit logging
Secure your MinIO object storage with comprehensive IAM policies, role-based access control, and audit logging for compliance monitoring. This tutorial covers user management, policy creation, and security validation for production environments.
Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring
Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.
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.
Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.
Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping
Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.
Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications
Set up comprehensive Netdata alerting with Slack and Microsoft Teams integration. Configure custom alert thresholds, webhook notifications, and automated monitoring responses for real-time system health alerts.
Set up MinIO gateway for multi-cloud storage federation with AWS S3 and Azure integration
Learn to deploy MinIO as a unified storage gateway that seamlessly federates multiple cloud storage backends including AWS S3 and Azure Blob Storage. This advanced configuration provides intelligent failover, cost optimization, and vendor-neutral object storage management.
Set up OpenVPN high availability cluster with automatic failover and load balancing
Build a production-ready OpenVPN high availability cluster using keepalived for automatic failover and HAProxy for load balancing across multiple OpenVPN servers.
Configure Varnish cache invalidation with automated purging strategies for high-performance web acceleration
Learn to configure advanced Varnish VCL for cache invalidation, implement PURGE and BAN strategies, and set up automated cache tagging for optimal performance. Master selective invalidation techniques and monitoring for production-grade web acceleration.
Set up Kibana alerting and monitoring with Elasticsearch Watcher for automated threat detection
Configure Kibana alerting rules and Elasticsearch Watcher to automatically detect security threats and send notifications via email or Slack. Set up monitoring dashboards with automated responses for production security monitoring.
Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement
Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.
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