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 CockroachDB cluster with high availability and distributed SQL
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesConfigure Linux system time synchronization with chrony and NTP hardening
linuxInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsRecently published
Optimize NGINX performance for high-traffic websites with advanced configuration and tuning
performanceImplement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management
devopsConfigure ClickHouse materialized views for real-time analytics with performance optimization
databasesConfigure Ansible Vault for secret management and encryption with playbook automation
devopsIntegrate Jaeger with Kubernetes and Istio service mesh for distributed tracing
devopsConfigure HAProxy multi-site SSL termination with SNI for secure load balancing
Set up HAProxy to handle SSL certificates for multiple domains using Server Name Indication (SNI), enabling secure HTTPS traffic termination and load balancing across different backend services.
Configure HAProxy SSL termination with Let's Encrypt and security headers
Set up HAProxy 2.8 with SSL termination, automatic Let's Encrypt certificates, and security headers for high-performance load balancing with HTTPS offloading and automated certificate renewal.
Install and configure Tengine web server with SSL certificates and performance optimization
Install Tengine web server from source and packages, configure virtual hosts with SSL certificates, and optimize performance with dynamic upstream health checks and security hardening.
Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing
Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.
Configure Lighttpd 1.4 with multiple virtual hosts and subdomains
Set up Lighttpd web server with multiple virtual hosts, subdomain routing, SSL certificates, and performance optimization for hosting multiple websites on a single server with security hardening.
Implement Thanos multi-cluster federation for global Prometheus metrics aggregation
Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.
Implement Deno WebSocket real-time applications with clustering and production deployment
Build production-ready real-time WebSocket applications with Deno, implementing clustering for high availability, SSL termination, and comprehensive monitoring for scalable messaging systems.
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.
Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.
Implement HAProxy SSL termination with Let's Encrypt certificates for secure load balancing
Configure HAProxy to handle SSL termination with automated Let's Encrypt certificates, enabling secure HTTPS load balancing across multiple backend servers. This setup reduces CPU load on backend servers while providing centralized SSL certificate management.
Integrate Nexus Repository with Kubernetes and Docker registry authentication
Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.
Install and configure Cherokee web server with FastCGI and virtual hosts
Set up Cherokee web server with web-based administration, FastCGI support for PHP applications, SSL-enabled virtual hosts, and performance optimizations for lightweight web hosting environments.
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