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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingRecently 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 Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery
Set up Ansible dynamic inventory plugins for AWS EC2, Azure VMs, and Google Cloud instances with automated discovery, credential management, and performance optimization across multiple cloud providers.
Set up intrusion detection with OSSEC HIDS and nftables integration for automated threat response
Configure OSSEC Host-based Intrusion Detection System with nftables firewall integration for real-time threat detection and automated response. Monitor system activity, detect intrusions, and automatically block malicious IPs using active response mechanisms.
Implement SNMP device auto-discovery with network scanning and automated inventory management
Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.
Implement custom Prometheus exporters for application metrics collection and monitoring
Build production-grade custom Prometheus exporters in Python and Go to collect application-specific metrics. Learn exporter architecture, metric types, systemd deployment, and Prometheus integration for comprehensive application monitoring.
Set up Apache Airflow high availability with CeleryExecutor and Redis clustering
Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.
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.
Configure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery
Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.
Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows
Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.
Configure Gunicorn performance monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive performance monitoring for Gunicorn WSGI servers using Prometheus metrics collection and Grafana visualization. Monitor request rates, response times, worker processes, memory usage, and implement automated alerting for production Python applications.
Implement HAProxy rate limiting and DDoS protection with advanced security rules
Configure HAProxy with comprehensive rate limiting, connection throttling, and DDoS protection using stick tables, ACLs, and advanced security rules to protect your applications from malicious traffic and ensure service availability.
Implement Jaeger security with TLS encryption and authentication for distributed tracing
Secure your Jaeger distributed tracing infrastructure with TLS encryption, JWT-based authentication, and RBAC policies. This tutorial covers certificate generation, collector/query service encryption, and UI authentication through reverse proxy integration.
Configure ScyllaDB backup and restore with automation
Set up automated daily backups for ScyllaDB with monitoring, restore procedures, and retention policies. Includes snapshot management, S3 storage integration, and comprehensive alerting for production NoSQL environments.
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