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
10,978

Fix apt update E: Repository no longer has a Release file

linux
8,468

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

monitoring
6,885

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

hosting
6,062

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

databases
5,542

Recently published

Fix apt update E: Repository no longer has a Release file

linux
7 hours ago

Check disk space usage on Linux with df and du commands

linux
2 days ago

Find and kill processes using a specific port on Linux

linux
6 days ago

Fix PostgreSQL FATAL sorry, too many clients already

linux
2 weeks ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
2 weeks ago
"istio" × Clear all
devops Advanced

Configure Istio multi-cluster disaster recovery and automated failover

Build a production-grade Istio primary-remote multi-cluster topology with shared trust, locality-aware failover, and automated recovery testing. Covers cross-cluster service discovery, Kiali and Prometheus monitoring, and control plane backup procedures.

90 min 4 distros 283 views
devops Advanced

Implement Istio multi-cluster canary deployments and traffic splitting

Build a primary-remote Istio multi-cluster mesh with shared trust domain, then run progressive canary rollouts using DestinationRule subsets, weighted VirtualServices and metrics-based promotion across clusters.

90 min 4 distros 735 views
devops Advanced

Integrate Jaeger with Istio service mesh for distributed tracing

Learn how to integrate Jaeger with Istio service mesh to get end-to-end distributed tracing across Kubernetes microservices, including sidecar injection, trace sampling, and ingress gateway access to the Jaeger UI.

60 min 4 distros 873 views
security Advanced

Configure Istio security policies with external authorization services integration

Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.

45 min 4 distros 1,119 views
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 985 views
monitoring Intermediate

Configure Jaeger distributed tracing on Kubernetes cluster with Helm charts and Elasticsearch backend

Deploy Jaeger distributed tracing on Kubernetes using Helm charts with Elasticsearch backend storage. Configure ingress, SSL certificates, and Prometheus integration for production-ready distributed tracing observability.

45 min 4 distros 1,126 views
monitoring Intermediate

Configure Jaeger alerting with Prometheus and Grafana for distributed tracing observability

Set up comprehensive monitoring and alerting for Jaeger distributed tracing using Prometheus metrics collection and Grafana dashboards with automated alerts for trace performance issues.

45 min 4 distros 1,036 views
monitoring Intermediate

Set up Kubernetes monitoring with Prometheus Operator and custom metrics

Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.

45 min 4 distros 1,144 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 1,124 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 1,314 views
devops Advanced

Configure Consul Connect with Kubernetes integration for secure service mesh communication

Set up Consul Connect as a service mesh on Kubernetes with Helm, enabling automatic mTLS encryption, service discovery, and traffic routing between microservices for secure inter-service communication.

45 min 4 distros 1,153 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 1,213 views

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