Workplace support engineering
Practical Windows, Microsoft 365, endpoint, identity, messaging, networking, Linux and macOS troubleshooting.
Browse support Runbooks →
Personal engineering portfolio
Richard Lintern
Network, Infrastructure and Security Engineer
Building, securing and documenting modern infrastructure using Kubernetes, GitOps, Microsoft 365, observability and local-first AI.
4 nodes
K3s platform
3 + 1
Servers and worker
9
Project case studies
67
Published Runbooks
Flux
GitOps management
Current focus
Connecting support, infrastructure and local AI
Current development combines workplace support, platform reliability, an operational intelligence portal and a safety-first local AI platform.
Platform reliability
Declarative delivery, distributed storage, observability and layered recovery across a four-node K3s environment.
Explore the Homelab →Local AI platform
A dedicated model-processing environment with Kubernetes-hosted APIs, evaluation, policy enforcement and future controlled tools.
View the AI platform case study →Selected work
Featured projects
Three connected case studies covering the Kubernetes foundation, the operational intelligence portal and the next stage of local AI engineering.
K8S
Operational
Infrastructure
Building a Four-Node ARM64 Kubernetes Platform
Four-node K3s platform with embedded-etcd quorum, distributed storage and documented operations.
K3s
Longhorn
Traefik
View case study →OPS
Operational
Operations Portal
Operations Portal and Telemetry
A local intranet bringing platform health, operational links, telemetry and future AI-assisted investigation into one interface.
Local Intranet
Prometheus
Loki
View case study →AI
In Development
Artificial Intelligence
Developing the Lintech Local AI Platform
A local-first AI platform combining a proven open-model assistant with a parallel research track for an original Lintech foundation model.
Local LLM
FastAPI
Kubernetes
View case study →Homelab platform
Architecture backed by operational evidence
The Homelab page connects edge access, networking, the four-node K3s cluster, storage, GitOps, telemetry, security monitoring and recovery.
Edge and access
↓Ingress and networking
↓Four-node K3s cluster
Server 1
Server 2
Worker
Server 3
Storage
GitOps
Telemetry
Security
Recovery
Operational knowledge
Latest Runbooks
Public, sanitised procedures covering workplace support and platform operations, with audience, type, risk and access metadata.
Windows Update Troubleshooting
Workflow for update history, services, policy, logs, pending reboots and component repair.
Open Runbook →Windows Support Command Reference
Quick reference for common Windows support, identity, networking, service and system checks.
Open Runbook →Windows Services Troubleshooting
Investigate stopped, failing or misconfigured Windows services.
Open Runbook →Explore the portfolio