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 Advanced

Configure Jaeger with Elasticsearch backend security and encryption

Set up secure communication between Jaeger and Elasticsearch using TLS encryption, authentication, and production-grade security hardening for distributed tracing infrastructure.

45 min 4 distros 577 views
networking Advanced

Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping

Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.

45 min 4 distros 643 views
devops Intermediate

Implement Kubernetes RBAC with service accounts and role-based access control

Configure Kubernetes role-based access control (RBAC) with service accounts, roles, and role bindings to enforce secure access policies and namespace isolation in your cluster.

45 min 4 distros 727 views
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 609 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 752 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 819 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 744 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 726 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 588 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 552 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 471 views
monitoring Intermediate

Configure Redis cluster monitoring with custom Grafana dashboards

Set up comprehensive monitoring for your Redis cluster using redis_exporter, Prometheus, and Grafana. Configure custom dashboards and alerting rules to track performance metrics, cluster health, and resource utilization.

25 min 4 distros 631 views

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