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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Install and configure Deno for web development with systemd and reverse proxy

hosting
3,101

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
1,780

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,586

Install and configure Ollama for local AI models on Linux servers

devops
1,462

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
1,295

Recently published

Configure Nginx Redis cluster caching for high availability and performance optimization

performance
1 hour ago

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

monitoring
6 hours ago

Implement NGINX Plus active health checks for enterprise environments

hosting
15 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
20 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
1 day ago
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hosting Intermediate

Configure Apache reverse proxy and load balancing for high availability

Set up Apache as a reverse proxy with load balancing across multiple backend servers. Configure health checks, SSL termination, and failover for production high availability deployments.

45 min 4 distros 108 views
databases Advanced

Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups

Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.

45 min 4 distros 109 views
performance Advanced

Configure Linux NUMA optimization for multi-socket servers with memory policy tuning and CPU affinity

Optimize multi-socket server performance by configuring NUMA memory policies, CPU affinity, and topology-aware application placement. Achieve significant performance gains through proper NUMA optimization.

45 min 4 distros 113 views
security Intermediate

Configure NGINX rate limiting and DDoS protection with advanced security rules

Set up NGINX rate limiting modules, implement connection limits, and configure geographic blocking to protect your web applications from DDoS attacks and abuse.

25 min 4 distros 114 views
linux Intermediate

Configure centralized logging with rsyslog and logrotate for system monitoring and log management

Set up a centralized logging system using rsyslog server to collect logs from multiple clients, implement TLS encryption for secure transmission, and configure logrotate for automated log rotation and management.

45 min 4 distros 157 views
devops Intermediate

Configure Kubernetes vertical pod autoscaler for resource optimization and cost management

Set up VPA to automatically adjust CPU and memory requests for your Kubernetes workloads. Reduce resource waste and optimize costs by letting VPA analyze actual usage patterns and rightsizing containers.

25 min 4 distros 104 views
devops Advanced

Implement Kubernetes workload rightsizing with VPA recommendations and cost analysis

Set up Vertical Pod Autoscaler to automatically optimize resource requests and limits for your Kubernetes workloads. Create cost analysis dashboards to track resource utilization and identify opportunities for rightsizing containers in production clusters.

45 min 4 distros 140 views
devops Advanced

Configure Kubernetes cluster autoscaler with mixed instance types for cost optimization

Set up Kubernetes cluster autoscaler 1.30 with mixed instance types and spot instances to automatically scale nodes based on demand while minimizing infrastructure costs through intelligent instance selection and workload optimization.

45 min 4 distros 152 views
devops Advanced

Configure Apache Airflow DAG performance optimization best practices

Optimize Apache Airflow DAGs for production with parallelism tuning, resource allocation strategies, and performance monitoring. Learn executor configuration, task dependency optimization, and troubleshooting techniques for high-throughput workflows.

45 min 4 distros 171 views
networking Advanced

Implement WireGuard multi-site mesh networking with automatic routing and failover

Deploy a scalable WireGuard mesh network across multiple sites with automatic routing, failover mechanisms, and centralized management for high-availability site-to-site connectivity.

45 min 4 distros 157 views
devops Advanced

Set up Kubernetes custom metrics autoscaling with Prometheus adapter for application-specific scaling

Configure Prometheus adapter to expose custom application metrics to Kubernetes Horizontal Pod Autoscaler for intelligent scaling based on business metrics like queue depth, response time, and user load instead of basic CPU/memory usage.

45 min 4 distros 183 views
devops Advanced

Configure ArgoCD with SonarQube quality gates for GitOps deployment validation

Set up automated quality gate validation in ArgoCD using SonarQube webhooks and pre-sync hooks to prevent deployments that fail code quality standards. This integration ensures only code that passes your quality criteria gets deployed to production.

45 min 4 distros 165 views

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