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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Configure Linux system time synchronization with chrony and NTP hardening

linux
746

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
668

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
668

Configure network interface monitoring with ICMP ping and connectivity testing

networking
664

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
648

Recently published

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

databases
46 minutes ago

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

performance
50 minutes ago

Implement Linux security hardening with CIS benchmarks and automated compliance scanning

security
52 minutes ago

Configure NGINX rate limiting and DDoS protection with advanced security rules

security
5 hours ago

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

linux
5 hours ago
"custom-metrics" × Clear all
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 7 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 45 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 43 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 22 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 60 views
monitoring Intermediate

Integrate TimescaleDB with Telegraf for metrics collection and time-series monitoring

Set up TimescaleDB with PostgreSQL and configure Telegraf to collect system and application metrics. Create continuous aggregates and monitoring dashboards for comprehensive time-series analysis and alerting.

25 min 4 distros 16 views
monitoring Intermediate

Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability

Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.

45 min 4 distros 29 views
monitoring Intermediate

Set up NGINX monitoring with Prometheus and Grafana for web server observability

Monitor your NGINX web server performance and health with Prometheus metrics collection and Grafana dashboards. Set up comprehensive observability including request rates, response times, error tracking, and automated alerting for production web servers.

45 min 4 distros 38 views
monitoring Advanced

Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing

Set up a comprehensive observability stack by integrating OpenTelemetry Collector with Elasticsearch, Logstash, and Kibana for distributed tracing, metrics collection, and unified monitoring across microservices and applications.

45 min 4 distros 100 views
devops Intermediate

Configure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics

Set up HPA with CPU and memory targets for automatic pod scaling. Configure metrics server and Prometheus adapter for custom metrics monitoring. Enable dynamic workload scaling based on resource utilization.

45 min 4 distros 221 views
monitoring Intermediate

Configure OpenTelemetry sampling strategies for high-traffic applications

Learn how to implement probabilistic, deterministic, and adaptive sampling strategies in OpenTelemetry to optimize distributed tracing performance and reduce storage costs in high-traffic production environments.

25 min 4 distros 233 views
monitoring Intermediate

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.

35 min 4 distros 404 views

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