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.

monitoring Intermediate

Configure ScyllaDB cluster monitoring with Prometheus and Grafana dashboards

Set up comprehensive monitoring for ScyllaDB clusters using Prometheus metrics collection and Grafana visualization dashboards. Configure alerting rules for performance monitoring and health checks.

45 min 4 distros 236 views
security Advanced

Implement OpenResty rate limiting and DDoS protection with advanced Lua rules

Set up comprehensive rate limiting and DDoS protection for OpenResty using nginx directives, Redis-backed Lua middleware, and advanced security rules with monitoring and alerting.

45 min 4 distros 239 views
devops Advanced

Integrate ArgoCD with External Secrets Operator for secure Kubernetes secret management

Set up External Secrets Operator to sync secrets from HashiCorp Vault and AWS Secrets Manager into your ArgoCD GitOps workflow, enabling secure automated secret management across multiple environments without storing sensitive data in Git repositories.

45 min 4 distros 290 views
networking Advanced

Configure advanced iptables QoS with fwmark and multiple interfaces

Set up traffic shaping with iptables packet marking, HTB queueing discipline, and multi-interface QoS policies for bandwidth management and network performance optimization.

45 min 4 distros 297 views
security Advanced

Configure Redis 7 cluster SSL encryption and authentication for production security

Secure your Redis 7 cluster with TLS encryption, client authentication, and inter-node SSL communication for production environments. Includes certificate generation, authentication setup, and security validation.

45 min 4 distros 312 views
hosting Intermediate

Setup OpenResty load balancing with health checks and automatic failover

Configure OpenResty with upstream backend servers, implement health monitoring, and set up automatic failover for high availability load balancing.

45 min 4 distros 213 views
security Advanced

Configure Jaeger authentication with OAuth2 and RBAC for enterprise security

Set up enterprise-grade authentication for Jaeger distributed tracing using OAuth2 with Keycloak integration and role-based access control policies for secure production deployments.

45 min 4 distros 190 views
hosting Intermediate

Configure Apache reverse proxy with caching for microservices

Set up Apache HTTP Server as a reverse proxy with intelligent caching for microservices architectures. This tutorial covers mod_proxy, mod_cache configuration, cache policies, and monitoring for high-performance service delivery.

25 min 4 distros 127 views
devops Advanced

Setup ArgoCD ApplicationSets for multi-environment GitOps workflows with automated deployment pipelines

Configure ArgoCD ApplicationSets to automate deployments across multiple environments using GitOps patterns. Learn to create templates, generators, and automated promotion workflows for production-grade Kubernetes deployments.

45 min 4 distros 282 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 224 views
security Advanced

Implement backup encryption key rotation and secure management with GPG and automated scripts

Build a production-grade backup encryption system with automated GPG key rotation, secure key distribution, and monitoring. Learn to implement enterprise-level key management policies with systemd timers and secure storage practices.

45 min 4 distros 132 views
hosting Advanced

Implement Apache load balancing with SSL termination and health checks

Configure Apache HTTP Server 2.4 with mod_proxy_balancer for high availability load balancing, SSL termination using Let's Encrypt certificates, and automated backend health monitoring with mod_proxy_hcheck for production environments.

45 min 4 distros 181 views

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