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 Advanced

Configure Ansible Vault integration with HashiCorp Vault for secrets management

Learn how to combine Ansible Vault with HashiCorp Vault using the community.hashi_vault collection, AppRole authentication, and least-privilege policies for production-grade secrets management in playbooks.

45 min 4 distros 205 views
devops Advanced

Configure Spark on Kubernetes with cluster autoscaling for dynamic workloads

Deploy Apache Spark 3.5 on Kubernetes with automatic cluster scaling, dynamic resource allocation, and comprehensive monitoring for production data processing workloads.

45 min 4 distros 1,018 views
devops Advanced

Configure Kubernetes cluster autoscaler with mixed instance types for cost optimization

Set up Kubernetes cluster autoscaler 1.30 with mixed instance types and spot instances to automatically scale nodes based on demand while minimizing infrastructure costs through intelligent instance selection and workload optimization.

45 min 4 distros 861 views
devops Intermediate

Configure Ansible Vault for secret management and encryption with playbook automation

Set up Ansible Vault to encrypt sensitive data like passwords, API keys, and certificates in your playbooks. Learn to create encrypted variables, manage vault passwords, and integrate secure secret handling into automated deployments.

25 min 4 distros 893 views
devops Intermediate

Implement Kubernetes cluster autoscaler for automatic node scaling

Configure Kubernetes cluster autoscaler to automatically add and remove worker nodes based on pod resource demands. This tutorial covers cloud provider integration, scaling policies, and monitoring for production-grade horizontal scaling.

45 min 4 distros 1,083 views

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