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.

devops Intermediate

Configure Kubernetes RBAC with service accounts and cluster roles for secure access control

Learn to implement Kubernetes Role-Based Access Control (RBAC) with service accounts, cluster roles, and role bindings for granular permissions and secure cluster access management.

25 min 4 distros 631 views
devops Advanced

Implement Deno microservices architecture with service discovery and load balancing

Build a production-ready Deno microservices architecture with Consul service discovery, HAProxy load balancing, and comprehensive monitoring using Prometheus. This tutorial covers container orchestration, health checks, and automated failover for scalable applications.

45 min 4 distros 389 views
security Advanced

Implement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection

Set up comprehensive Kubernetes security with Falco for runtime threat detection and OPA Gatekeeper for admission control policy enforcement. This tutorial covers installation, configuration, and custom security policies.

45 min 4 distros 212 views
devops Intermediate

Configure ArgoCD Image Updater for automated container deployments

Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.

25 min 4 distros 258 views
devops Advanced

Implement Kubernetes secrets management with HashiCorp Vault integration

Set up HashiCorp Vault with Kubernetes to dynamically inject secrets into pods using the Vault Secrets Operator. This tutorial covers authentication configuration, operator deployment, and automated secret injection with annotations.

45 min 4 distros 454 views
devops Advanced

Configure Kubernetes secrets management with Vault integration for secure container orchestration

Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.

45 min 4 distros 366 views
monitoring Advanced

Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security

Set up comprehensive monitoring for Kubernetes network policies using Prometheus and Grafana. Configure CNI metrics collection, create security dashboards, and implement alerting for policy violations and traffic anomalies.

45 min 4 distros 266 views
devops Intermediate

Configure Apache Airflow DAG version control with Git and CI/CD pipelines

Set up Git-based version control for Apache Airflow DAGs with automated CI/CD pipelines for testing and deployment. Implement DAG synchronization, validation workflows, and production-ready deployment strategies.

45 min 4 distros 401 views
security Intermediate

Configure Vault dynamic secrets for databases with PostgreSQL and MySQL integration

Set up HashiCorp Vault's database secrets engine to automatically generate short-lived credentials for PostgreSQL and MySQL databases, improving security by eliminating static passwords and enabling automated credential rotation.

45 min 4 distros 354 views
security Advanced

Set up Grafana Enterprise SSO authentication with LDAP, SAML, and OAuth2 integration

Configure Grafana Enterprise with comprehensive single sign-on authentication supporting LDAP, SAML, and OAuth2 providers. Set up role-based access control with automated team mapping and user provisioning for enterprise environments.

45 min 4 distros 604 views
security Intermediate

Configure Vault auto-unseal with AWS KMS for high availability secrets management

Set up HashiCorp Vault with AWS KMS auto-unseal to eliminate manual unsealing processes and enable high availability deployments with automatic recovery.

25 min 4 distros 571 views
devops Advanced

Configure Istio security policies with mutual TLS and authorization for Kubernetes service mesh

Configure mutual TLS authentication and authorization policies in Istio service mesh for secure microservices communication. This tutorial covers PeerAuthentication, AuthorizationPolicy, and RBAC configuration for production Kubernetes environments.

45 min 4 distros 835 views

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