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
865

Set up Node.js application security with Helmet and rate limiting

security
744

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

hosting
722

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

hosting
715

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
712

Recently published

Configure logrotate with Elasticsearch and Kibana integration for automated log management

monitoring
3 hours ago

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

linux
3 hours ago

Configure SSH key authentication and security hardening

security
3 hours ago

Configure PostgreSQL 17 SSL encryption and advanced security hardening

security
3 hours ago

Integrate ModSecurity 3 with SOAR platforms for automated incident response and threat detection

security
12 hours ago
"containers" × Clear all
networking Advanced

Implement Kubernetes network policies with Calico for microsegmentation

Configure Calico CNI to enforce network policies for pod-to-pod traffic control and namespace isolation. This tutorial covers advanced microsegmentation patterns, ingress/egress rules, and policy monitoring for production Kubernetes security.

45 min 4 distros 108 views
devops Advanced

Integrate OPA Gatekeeper with ArgoCD for GitOps policy management

Set up Open Policy Agent Gatekeeper with ArgoCD to enforce Kubernetes admission policies through GitOps workflows. This tutorial covers installation, policy template creation, and automated policy enforcement with monitoring.

45 min 4 distros 28 views
devops Advanced

Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability

Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.

45 min 4 distros 59 views
devops Intermediate

Configure Kubernetes Pod Security Standards with admission controllers for policy enforcement

Learn how to implement Kubernetes Pod Security Standards using built-in admission controllers and OPA Gatekeeper for comprehensive policy enforcement, security compliance, and workload protection in production clusters.

25 min 4 distros 37 views
security Intermediate

Configure Falco runtime security for Kubernetes threat detection with eBPF monitoring

Set up Falco with eBPF monitoring to detect runtime security threats in Kubernetes clusters. Configure custom rules, integrate Prometheus metrics, and establish comprehensive threat detection for container workloads.

45 min 4 distros 32 views
devops Advanced

Configure Podman secrets management with HashiCorp Vault integration

Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.

45 min 4 distros 53 views
security Intermediate

Configure Podman image scanning with Trivy security vulnerability detection

Set up automated container image security scanning using Trivy with Podman to detect vulnerabilities, misconfigurations, and security issues before deploying containers to production.

45 min 4 distros 48 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete monitoring solution using Prometheus for metrics collection and Grafana for visualization with Docker Compose. This setup provides comprehensive system monitoring, alerting capabilities, and customizable dashboards.

25 min 4 distros 30 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 47 views
devops Advanced

Integrate Jaeger with Kubernetes and Istio service mesh for distributed tracing

Deploy Jaeger operator on Kubernetes with Istio telemetry integration for comprehensive distributed tracing across microservices. Configure Elasticsearch backend for production-grade trace storage and implement automated service discovery.

45 min 4 distros 15 views
monitoring Intermediate

Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection

Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.

45 min 4 distros 18 views
networking Advanced

Configure Cilium BGP peering with MetalLB integration for Kubernetes load balancing

Set up Cilium CNI with BGP routing capabilities and integrate with MetalLB speaker components for bare-metal Kubernetes load balancing. This configuration enables external traffic routing and service discovery in on-premises environments.

45 min 4 distros 27 views

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