Systems knowledge you can put to work.
Practical guides for Kubernetes, Linux, networking, observability, automation, and production infrastructure. Written for engineers operating real systems.
Start here
- Kubernetes Cluster operations, workloads, policy, and day-two troubleshooting.
- Rancher & RKE2 Install, upgrade, and run Rancher-managed RKE2 clusters.
- Linux & Systems Administration, kernel behavior, and the host layer under your workloads.
- Networking Load balancing, DNS, segmentation, and tracing packets end to end.
- Storage & Databases Persistent volumes, replication, backup, and recovery that holds up.
- Observability & SRE Metrics, logs, alerting, and reliability practice for production.
Reference designs
- Rancher on Small RKE2 Cluster Deploy a small RKE2 cluster with Rancher on custom on-prem servers using Helm.
- Provisioning an RKE2 Cluster on Custom VMs Guide to provisioning an RKE2 cluster on custom VMs created outside Rancher.
- Ingress NGINX Controller on RKE2 Overview of the built-in Ingress NGINX Controller on RKE2 and its differences from standalone deployments.
Latest writing
Pod Security Standards Implementation Guide: Enforcing Container Security in Kubernetes Enterprise Environments
12 min readPod Security Standards (PSS) represent the modern approach to enforcing security policies in Kubernetes clusters, replacing the deprecated Pod Security Policies (PSP). This …
Kubernetes Beyond Docker: Migrating to containerd and What It Means for Your Clusters
11 min readKubernetes has deprecated and removed Docker support, but this doesn’t mean containers are going away. In fact, this architectural shift towards direct integration with containerd …
Platform Team Topology Patterns: Organizing Teams for Effective Platform Engineering
10 min readPlatform engineering requires thoughtful team organization to deliver effective developer experiences. Based on Team Topologies principles, this guide explores proven patterns for …
Pixie eBPF Observability Platform: Zero-Instrumentation Kubernetes Monitoring with Auto-Telemetry
2 min readPixie leverages eBPF technology to provide zero-instrumentation observability for Kubernetes clusters, automatically collecting telemetry data without requiring code changes or …
PCI DSS Compliance for Cloud-Native Applications: Enterprise Payment Security Framework
4 min readPCI DSS compliance in cloud-native environments requires sophisticated approaches to cardholder data protection, network segmentation, and security controls that adapt to dynamic …
OpenTelemetry Distributed Tracing: Production Setup and Best Practices for Enterprise Microservices
14 min readImplementing distributed tracing in complex microservices environments requires a robust, vendor-neutral solution that can scale with your infrastructure. OpenTelemetry has emerged …
Open Service Broker API Implementation: Building Service Marketplaces for Kubernetes Platforms
9 min readThe Open Service Broker API (OSBAPI) provides a standard way for platforms to provision and manage backing services. By implementing service brokers, platform teams can offer …
Mastering Kubernetes Security with CIS Benchmarks: Enterprise Hardening and CKS Exam Success
23 min readCIS Benchmarks provide the gold standard for Kubernetes security hardening, offering comprehensive guidelines that transform vulnerable clusters into fortress-like environments. …