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
9,899

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

monitoring
5,602

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

hosting
4,626

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,036

Install and configure Ollama for local AI models on Linux servers

devops
4,023

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
6 days ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
1 week ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 weeks ago
"security-policies" × Clear all
security Advanced

Implement Istio security scanning and vulnerability management for Kubernetes service mesh

Set up comprehensive security scanning and vulnerability management for Istio service mesh using Trivy, Falco, and security policies to protect Kubernetes workloads from threats and compliance violations.

45 min 4 distros 448 views
devops Advanced

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.

45 min 4 distros 495 views
devops Intermediate

Configure container resource limits with Docker and systemd for production workloads

Learn to set memory, CPU, and I/O limits for Docker containers using both Docker runtime constraints and systemd service limits. Master cgroups v2 integration for bulletproof resource management in production environments.

25 min 4 distros 1,187 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 607 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 607 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 712 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 576 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 536 views
devops Advanced

Implement Istio circuit breaker and retry policies for microservices resilience and fault tolerance

Configure Istio destination rules with circuit breaker patterns, implement retry policies with exponential backoff, and set up comprehensive fault injection testing for microservices resilience in Kubernetes service mesh environments.

45 min 4 distros 700 views
devops Advanced

Configure Istio ingress gateway with SSL certificates and custom domains for Kubernetes service mesh

Set up Istio ingress gateway with automated SSL certificate management using cert-manager, configure custom domain routing with VirtualService, and implement TLS termination for secure service mesh traffic.

35 min 4 distros 702 views
devops Intermediate

Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management

Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.

25 min 4 distros 654 views
devops Advanced

Set up Istio multi-cluster service mesh with cross-cluster communication

Deploy and configure Istio across multiple Kubernetes clusters with secure cross-cluster communication, shared service discovery, and unified traffic management for distributed microservices architecture.

45 min 4 distros 899 views

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