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.

networking Advanced

Configure HAProxy with Consul for dynamic service discovery

Learn how to combine HAProxy, Consul and consul-template to build a self-updating load balancer that discovers backends automatically, reacts to health checks, and reloads without downtime.

50 min 4 distros 126 views
devops Advanced

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

Learn how to deploy External Secrets Operator on Kubernetes, integrate it with HashiCorp Vault using the Kubernetes auth method, and sync secrets via SecretStore and ClusterSecretStore resources with production-grade RBAC and monitoring.

75 min 4 distros 207 views
devops Advanced

Integrate Jaeger with Istio service mesh for distributed tracing

Learn how to integrate Jaeger with Istio service mesh to get end-to-end distributed tracing across Kubernetes microservices, including sidecar injection, trace sampling, and ingress gateway access to the Jaeger UI.

60 min 4 distros 174 views
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 1,383 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 458 views
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 532 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 567 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 695 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 745 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 653 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 495 views
monitoring Advanced

Setup Jaeger sampling strategies for high-volume production tracing

Configure advanced Jaeger sampling strategies to efficiently capture traces in high-traffic production environments while controlling storage costs and maintaining observability.

45 min 4 distros 597 views

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. Fully managed, with one fixed contact who knows your setup.

You get one fixed contact who knows your setup

Rotterdam 22:53 · reachable in a message, no ticket form