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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsConfigure Linux system time synchronization with chrony and NTP hardening
linuxRecently published
Configure Kafka Schema Registry with Avro serialization for data processing
devopsSetup Elasticsearch 8 index lifecycle management for automated log retention and storage optimization
devopsConfigure Kafka Streams state stores and RocksDB optimization for high-performance streaming applications
devopsImplement Django continuous deployment with Git hooks and automated testing
devopsConfigure Django Redis caching and session storage for high-performance web applications
performanceImplement network security policies with iptables and firewalld for enterprise infrastructure protection
Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.
Implement Tailscale OAuth integration with identity providers for enterprise authentication
Configure Tailscale with enterprise identity providers including SAML and OIDC authentication, implement access control policies, and manage users across distributed teams for secure zero-trust networking.
Integrate Apache Tomcat 11 with Prometheus and Grafana monitoring for comprehensive performance tracking
Set up comprehensive monitoring for Apache Tomcat 11 using JMX Prometheus Java agent, configure Prometheus to scrape metrics, create detailed Grafana dashboards, and implement alerting rules for performance tracking and health monitoring.
Configure Linux process scheduling and CPU affinity for performance optimization
Learn to optimize Linux process performance by configuring CPU scheduling priorities, CPU affinity, and systemd resource management for better workload distribution and reduced context switching.
Implement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting
Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.
Set up OpenLiteSpeed with Docker containers for development
Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.
Configure Kubernetes resource quotas and limit ranges for namespace-level resource management
Set up Kubernetes resource quotas and limit ranges to control CPU, memory, and storage consumption at the namespace level. This tutorial covers implementing resource constraints, monitoring usage, and troubleshooting quota issues for multi-tenant cluster management.
Set up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards
Configure comprehensive Apache Airflow monitoring using DataDog agent to track DAG performance, task execution metrics, and resource utilization with custom dashboards and automated alerting for production workflow management.
Configure Kafka Streams for real-time data processing and analytics
Set up Kafka Streams applications with Java development environment to build real-time data processing pipelines for analytics and monitoring workloads.
Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments
Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.
Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption
Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.
Configure SSL certificates and security hardening for Nexus Repository Manager
Secure your Nexus Repository Manager with SSL/TLS certificates, enforce HTTPS connections, and implement comprehensive security hardening including authentication controls, access policies, and audit logging for production environments.
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