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
Configure Linux system time synchronization with chrony and NTP hardening
linuxSet up Node.js application security with Helmet and rate limiting
securityInstall 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 PostgreSQL 17 with performance tuning and security hardening
databasesRecently published
Configure ModSecurity machine learning anomaly detection for automated threat protection
securityConfigure NGINX HTTP/2 server push and connection multiplexing
performanceConfigure NGINX SSL certificate automation with Certbot and renewal monitoring
hostingMonitor FastAPI applications with Prometheus and Grafana for production observability
monitoringConfigure logrotate with Elasticsearch and Kibana integration for automated log management
monitoringImplement Varnish cache warming with automated content preloading for high-performance websites
Set up automated Varnish cache warming with priority URL preloading, systemd timers for scheduled content refreshing, and comprehensive monitoring to optimize cache hit rates and reduce backend server load for high-traffic websites.
Integrate SNMP monitoring with InfluxDB and Telegraf for time-series analysis
Learn to set up a comprehensive SNMP monitoring solution using InfluxDB 2.7 for time-series storage and Telegraf for data collection. Configure monitoring for network devices, system metrics, and create visualization dashboards with Grafana.
Implement Kubernetes resource quotas and limits for namespace isolation and workload management
Configure namespace resource quotas, container resource limits, and limit ranges to ensure fair resource allocation and prevent resource exhaustion in multi-tenant Kubernetes clusters.
Monitor container performance with Prometheus and cAdvisor for comprehensive metrics collection
Set up comprehensive container monitoring with cAdvisor, Prometheus, and Grafana to collect detailed metrics on CPU, memory, network, and disk usage. This tutorial covers installation, configuration, and alerting for production-ready container performance monitoring.
Configure Istio traffic management with virtual services and destination rules
Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.
Configure backup encryption with GPG and rsync for secure automated backups
Set up automated encrypted backups using GPG 2.4 and rsync with systemd timers. This tutorial covers GPG key management, encrypted backup scripts, and restoration procedures for production environments.
Configure Kubernetes persistent volumes with NFS storage for container data persistence
Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.
Setup OpenResty monitoring with Prometheus and Grafana dashboards for performance analytics
Configure comprehensive monitoring for OpenResty web server using nginx-lua-prometheus module to collect metrics, Prometheus for storage, and Grafana for visualization with custom dashboards and alerting rules.
Implement OpenResty JWT authentication with OAuth2 integration for secure web applications
Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.
Setup centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8 (ELK Stack)
Deploy a production-ready ELK stack for centralized log aggregation with Elasticsearch 8, Logstash 8, and Kibana 8. Configure secure log shipping from multiple sources with authentication and SSL encryption.
Deploy Django application with Gunicorn and PostgreSQL database migrations
Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.
Set up ClickHouse and Kafka real-time data pipeline with streaming analytics
Build a production-ready real-time data pipeline using ClickHouse for high-performance analytics and Apache Kafka for streaming data ingestion. Configure clustering, replication, and automated data processing workflows.
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