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
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure Nginx Redis cluster caching for high availability and performance optimization
performanceConfigure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
Configure Prometheus Blackbox Exporter to monitor HTTP endpoints, SSL certificates, and DNS resolution with automated alerting rules and Grafana dashboards.
Configure Prometheus alerting with AlertManager notifications and webhook integration
Set up AlertManager to handle Prometheus alerts with email, Slack, and webhook notifications. Configure alerting rules, notification channels, and test the complete alerting pipeline.
Configure Elasticsearch cross-cluster replication for disaster recovery
Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.
Set up NGINX rate limiting and security headers for DDoS protection
Configure NGINX with comprehensive rate limiting zones, security headers, and DDoS protection rules to secure your web applications against malicious traffic and automated attacks.
Configure Elasticsearch Index Lifecycle Management (ILM) for automated data retention
Set up Elasticsearch ILM policies to automatically manage index lifecycles through hot, warm, cold, and delete phases. Reduce storage costs and optimize performance by automating data retention and storage tiering.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.
Monitor Varnish 7 performance with Prometheus and Grafana dashboards
Set up comprehensive Varnish monitoring using prometheus-varnish-exporter, custom Grafana dashboards, and performance alerting rules for production cache optimization.
Configure audit compliance automation with Ansible for security monitoring and reporting
Build comprehensive security audit compliance automation using Ansible playbooks to enforce security policies, monitor system configurations, and generate compliance reports across your Linux infrastructure fleet.
Implement Istio observability with Jaeger tracing and Kiali dashboard for Kubernetes service mesh
Configure comprehensive observability for your Kubernetes service mesh with Jaeger distributed tracing, Kiali visualization, and Prometheus metrics integration. Get complete visibility into microservice communication patterns, performance bottlenecks, and service dependencies.
Configure advanced Grafana dashboards and alerting with Prometheus integration
Build production-ready Grafana dashboards with dynamic variables, custom panels, and sophisticated alert rules. Integrate Prometheus metrics for comprehensive monitoring with multi-condition alerting and notification channels.
Install and configure Filebeat 8.15 for efficient log shipping to ELK stack
Set up Filebeat 8.15 to collect and ship logs from multiple sources to Elasticsearch. Configure SSL/TLS security, performance optimization, and monitoring for production-grade log aggregation.
Set up PHP application performance monitoring with APM tools and real-time metrics collection
Monitor PHP application performance with New Relic APM and Elastic APM, implement custom metrics collection, and set up comprehensive Grafana dashboards for real-time application observability and performance optimization.
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