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
3,060

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

hosting
1,770

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

hosting
1,580

Install and configure Ollama for local AI models on Linux servers

devops
1,406

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

monitoring
1,285

Recently published

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

monitoring
33 minutes ago

Implement NGINX Plus active health checks for enterprise environments

hosting
9 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
14 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
19 hours ago

Configure Elasticsearch cross-cluster replication for disaster recovery

databases
1 day ago
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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 113 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 156 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 151 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 181 views
devops Intermediate

Configure Kubernetes resource quotas and limit ranges for namespace-level resource management

Set up Kubernetes resource quotas and limit ranges to control CPU, memory, and storage consumption at the namespace level. This tutorial covers implementing resource constraints, monitoring usage, and troubleshooting quota issues for multi-tenant cluster management.

25 min 4 distros 169 views
monitoring Intermediate

Set up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards

Configure comprehensive Apache Airflow monitoring using DataDog agent to track DAG performance, task execution metrics, and resource utilization with custom dashboards and automated alerting for production workflow management.

45 min 4 distros 151 views
devops Advanced

Implement Airflow load balancing with Celery executor for high availability workflows

Set up Apache Airflow with Celery executor, Redis cluster backend, HAProxy load balancing, and auto-scaling workers for production-grade workflow orchestration with high availability.

45 min 4 distros 183 views
devops Intermediate

Configure Kubernetes network policies with Calico CNI for container security and microsegmentation

Set up Calico CNI in Kubernetes to implement network policies for pod-to-pod traffic control, create ingress and egress rules for microsegmentation, and test policy enforcement to secure container communication at the network layer.

35 min 4 distros 149 views
databases Intermediate

Implement Elasticsearch 8 snapshot lifecycle management with S3 storage for automated backups

Set up automated Elasticsearch 8 backups using snapshot lifecycle management policies with S3 repository storage. Configure retention policies, scheduling, and monitoring for production backup strategies.

45 min 4 distros 162 views

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