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 Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery

Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.

45 min 4 distros 266 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 338 views
devops Advanced

Implement Kubernetes Pod Security Standards and admission controllers for policy enforcement

Configure Pod Security Standards with baseline and restricted profiles, deploy OPA Gatekeeper admission controller with custom policies, and implement ValidatingAdmissionWebhooks for comprehensive security enforcement in production Kubernetes clusters.

45 min 4 distros 510 views
networking Advanced

Configure advanced iptables QoS with DSCP marking and traffic classification

Set up Quality of Service (QoS) on Linux servers using iptables DSCP marking, HTB queuing, and traffic classification. This tutorial shows you how to prioritize network traffic, implement bandwidth limits, and ensure critical applications get the network resources they need for optimal performance.

35 min 4 distros 361 views
databases Intermediate

Configure ScyllaDB backup and restore with automation

Set up automated daily backups for ScyllaDB with monitoring, restore procedures, and retention policies. Includes snapshot management, S3 storage integration, and comprehensive alerting for production NoSQL environments.

45 min 4 distros 378 views
performance Advanced

Implement NGINX Lua scripting for advanced caching logic with OpenResty

Configure OpenResty with Lua scripting for advanced caching strategies including dynamic cache keys, intelligent TTL management, and conditional cache invalidation based on business logic.

45 min 4 distros 547 views
databases Intermediate

Configure MinIO backup and disaster recovery with automated snapshots and replication

Configure comprehensive backup and disaster recovery for MinIO object storage with automated snapshots, cross-site replication, and encryption. Implement production-ready backup strategies to protect critical data and ensure business continuity.

45 min 4 distros 419 views
security Advanced

Implement Consul ACL security and encryption for production deployments

Configure Consul's Access Control List (ACL) system with bootstrap tokens, implement TLS encryption for client-server communication, and enable gossip encryption to secure your Consul cluster for production environments with comprehensive authentication and authorization.

45 min 4 distros 565 views
monitoring Intermediate

Set up Redis monitoring with Prometheus and Grafana dashboards

Configure comprehensive Redis monitoring using Prometheus Redis Exporter and Grafana dashboards. Monitor Redis performance metrics, memory usage, connections, and replication status with automated alerts for production environments.

45 min 4 distros 579 views
devops Intermediate

Configure Node.js application logging with Winston and log rotation for production

Set up Winston logger with structured JSON logging, multiple transports, and automated log rotation using winston-daily-rotate-file for production Node.js applications. Configure comprehensive error handling and log management best practices.

25 min 4 distros 351 views
security Intermediate

Setup remote backup storage with S3-compatible encryption and automated retention policies

Configure secure, encrypted backup storage using S3-compatible providers with automated retention policies, client-side GPG encryption, and monitoring scripts for reliable data protection.

45 min 4 distros 474 views
security Advanced

Configure advanced iptables rules for bridge network security and container isolation

Implement comprehensive bridge network security using advanced iptables rules to isolate containers, control traffic flow, and prevent lateral movement in virtualized environments.

45 min 4 distros 589 views

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