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
10,560

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

monitoring
6,408

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

linux
5,653

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

hosting
5,469

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

databases
4,983

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
5 days ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 week ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
"ingress" × Clear all
devops Intermediate

Configure Kubernetes ingress controller with NGINX and SSL certificates using cert-manager

Set up NGINX Ingress Controller with automated SSL certificate management using cert-manager for secure routing of external traffic to your Kubernetes services. Configure custom domains, SSL automation, and advanced routing rules for production workloads.

25 min 4 distros 850 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 909 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 865 views
security Intermediate

Configure Kubernetes network policies for enhanced cluster security

Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.

35 min 4 distros 836 views
networking Advanced

Set up Linux network traffic shaping with tc and QoS for bandwidth management

Learn how to implement advanced network traffic control on Linux using tc (traffic control) and HTB (Hierarchical Token Bucket) queueing disciplines. This tutorial covers bandwidth limiting, QoS policies, and traffic prioritization for optimal network performance.

45 min 4 distros 1,275 views
devops Intermediate

Implement Kubernetes pod disruption budgets for high availability during scaling events

Configure Pod Disruption Budgets to ensure application availability during cluster maintenance and scaling operations. Learn to implement PDB policies, test disruption scenarios, and maintain service continuity in Kubernetes.

25 min 4 distros 1,308 views
hosting Intermediate

Configure Caddy 2 with Docker containers and automatic SSL certificates

Set up Caddy 2 as a reverse proxy using Docker with automatic Let's Encrypt SSL certificates. Deploy containerized web applications behind Caddy with zero-downtime SSL management and built-in load balancing.

45 min 4 distros 1,263 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 1,018 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 1,008 views
devops Advanced

Setup Tekton Pipelines 0.62 for Kubernetes CI/CD with security scanning integration

Configure Tekton Pipelines for cloud-native CI/CD with automated security scanning, Git webhooks, and production-ready RBAC policies. Build secure container pipelines with integrated vulnerability detection and compliance checks.

45 min 4 distros 879 views
devops Advanced

Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability

Set up a production-ready Envoy service mesh in Kubernetes with mutual TLS authentication, SSL certificate management, and comprehensive observability through Prometheus monitoring and distributed tracing.

45 min 4 distros 867 views
security Advanced

Implement Envoy proxy JWT authentication with OAuth2 integration

Configure Envoy proxy with JWT authentication filters integrated with Keycloak OAuth2 provider for secure microservices communication and advanced rate limiting policies.

45 min 4 distros 1,086 views

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