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Lightweight Kubernetes: Running Kubernetes on Workstations, Edge & IoT Devices

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Lightweight Kubernetes: Running Kubernetes on Workstations, Edge & IoT Devices

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Cloud Native Night November 2019, Munich: Talk by Mario-Leander Reimer (@LeanderReimer, Principal Software Architect at QAware)

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Abstract: When it comes to running Kubernetes in resource constraint environments like your local developer workstation or edge and IoT devices a full-blown Kubernetes distribution is definitely not the right choice. Instead a new breed of super lightweight, certified Kubernetes distributions that (often) come as a single-binary are suited a lot better. In this session we will have a closer look at two popular choices: MicroK8s and K3s. We will briefly cover their basic features and then put them to the test live and uncut: locally and on my NUC powered Cloudkoffer.

Cloud Native Night November 2019, Munich: Talk by Mario-Leander Reimer (@LeanderReimer, Principal Software Architect at QAware)

=== Please download slides if blurred! ===

Abstract: When it comes to running Kubernetes in resource constraint environments like your local developer workstation or edge and IoT devices a full-blown Kubernetes distribution is definitely not the right choice. Instead a new breed of super lightweight, certified Kubernetes distributions that (often) come as a single-binary are suited a lot better. In this session we will have a closer look at two popular choices: MicroK8s and K3s. We will briefly cover their basic features and then put them to the test live and uncut: locally and on my NUC powered Cloudkoffer.

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Lightweight Kubernetes: Running Kubernetes on Workstations, Edge & IoT Devices

  1. 1. Lightweight Kubernetes
 Running Kubernetes on Workstations, Edge and IoT Devices @LeanderReimer @qaware #CloudNativeNerd
  2. 2. Do you have a PhD in K8s clusterology?
  3. 3. • CentOS 7.7 with Containerd • Kubernetes 1.16 with K8s Dashboard • Calico, External-DNS • MetalLB + NGINX-Ingress • Rook CephFS • Cert-Manager, Sealed Secrets • Elastic-Stack (Elasticsearch, Kibana, Fluentd) • Prometheus, Grafana, Grafana Loki • Istio, Knative, Jaeger • Clair, Vault, Keycloak
  4. 4. M V G
  5. 5. What now?
  6. 6. https://k3s.iohttps://microk8s.io
  7. 7. MicroK8s - Zero-ops Kubernetes • Certified Kubernetes distribution. Backed by Canonical. • A single package of K8s for 42 flavours of Linux. • Uses multipass to run a local Ubuntu VM under Windows and Mac. • Made for developers, and great for edge, IoT and appliances. • Dozens of add-ons: DNS, dashboard, storage, RBAC, ingress, MetalLB, registry, GPU, Istio, Linkerd, Knative, fluentd, Prometheus, Jaeger • Clustering add-on currently in Beta.
  8. 8. MicroK8s Demo
  9. 9. k3s - 5 less than k8s • Certified Kubernetes distribution. Backed by Rancher. • Easy to install, run and auto-update. Single < 40MB binary. • Suitable for Edge, IoT, ARM64, ARMv7, CI, Workstations and the Cloud • Legacy, alpha, non-default features are removed • Sqlite3 as the default storage mechanism, but etcd3 is still available • LoadBalancer support with Traefik based Ingress • k3sup: from Zero to KUBECONFIG in < 1 min https://k3sup.dev/
  10. 10. K3s Demo

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