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
Implement 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
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
databasesMonitor 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.
Setup advanced Airflow alerting with Slack integration and custom notification rules
Configure Apache Airflow to send intelligent alerts to Slack channels when DAGs fail, with custom notification rules based on task importance and execution context. Includes automated retry logic and escalation workflows.
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.
Set up audit log analysis dashboard with Grafana and Prometheus for security monitoring
Build a comprehensive security monitoring dashboard that collects Linux audit logs through auditd, exports metrics to Prometheus, and visualizes security events in Grafana with automated alerting for suspicious activities.
Configure Redis 7 cluster sharding with SSL/TLS authentication and security hardening
Set up a production-ready Redis 7 cluster with automatic sharding, SSL/TLS encryption, authentication, and comprehensive security hardening for high availability and data protection.
Configure Linux audit system with SIEM integration for Splunk security monitoring
Set up auditd with custom security rules, configure Splunk Universal Forwarder for log shipping, and implement real-time monitoring workflows for comprehensive security event tracking and compliance reporting.
Configure Kafka Streams state stores and RocksDB optimization for high-performance streaming applications
Configure Kafka Streams state stores with RocksDB optimization for high-performance streaming applications. Learn custom state store configurations, RocksDB tuning parameters, and monitoring techniques for production-grade stream processing.
Set up Kafka Streams testing framework with TopologyTestDriver for automated stream processing validation
Configure a complete testing framework for Kafka Streams applications using TopologyTestDriver to validate stream processing logic with automated tests and mock data pipelines.
Configure advanced network monitoring with SmokePing for detailed latency analysis
Set up SmokePing for detailed network latency monitoring with visual graphs, multi-target analysis, and advanced alerting. Perfect for tracking network performance trends and identifying connectivity issues across multiple hosts.
Set up Netdata slave nodes for centralized monitoring with parent-child architecture
Configure Netdata parent-child architecture to stream metrics from multiple servers to a centralized dashboard. Set up authentication, SSL encryption, and troubleshoot streaming issues for scalable monitoring infrastructure.
Configure auditd with Elasticsearch and Kibana for compliance reporting
Set up comprehensive Linux audit logging with auditd, integrate with Elasticsearch 8 and Kibana 8 for centralized analysis, and create compliance dashboards for PCI DSS, HIPAA, and SOX reporting requirements.
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