Showing posts with label Kubernetes. Show all posts
Showing posts with label Kubernetes. Show all posts
Feb 12, 2023

Review: "Cloud Native Infrastructure with Azure" provided by Microsoft

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Last week Microsoft published the following linkedin post: On linkedin often tiny booklets are offered with around 10 up to 30 pages. But t...
Mar 13, 2021

metallb on microk8s: loadbalancer ip not reachable from clients /arp issue

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  In my last posting i wrote, how to configure and use metallb on a microk8s kubernetes cluster . This worked fine - but on the next day i w...
Mar 12, 2021

microk8s: Using the integrated loadbalancer metallb for a application/container

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  Microk8s comes with an internal loadbalancer: metallb ( https://microk8s.io/docs/addons ) For project status and documentation: https://me...
Feb 28, 2021

Kubernetes: Building Kuard for Raspberry Pi (microk8s / ARM64)

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  In one of my last posts (click here ) i used KUARD ( k ubernetes u p a nd r unning d emo) to check the livenessProbes of kubernetes. In my...
Feb 24, 2021

Kubernetes: Run a docker image as pod or deployment?

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 If you want to run a docker image inside kubernetes you can at least choose two ways: pod deployment The first is done with these commands:...
Feb 13, 2021

Kubernetes: LivenessProbes - first check

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One key feature of kubernetes is, that unhealthy pods will be restarted. How can this be tested? First you should deploy KUARD (kubernetes u...
Feb 6, 2021

Microk8s: Running KUARD (Kubernetes Up And Running Demo) on a small cluster

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There is a cool demo application, which you can use to check your kubernetes settings. This application is called kuard (https://github.com/...
Feb 4, 2021

Kubernetes: publishing services - clusterip vs. nodeport vs. loadbalancer and connecting to the serivces

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In my posting http://dietrichschroff.blogspot.com/2020/11/kubernetes-with-microk8s-first-steps-to.html i described how to expose a NGINX on...
Jan 30, 2021

Microk8s: rejoining a node after a reinstall of microk8s

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  If you are running a microk8s kubernetes cluster, you can hit the scenario, that you lost one node and you have to reinstall the complete ...
1 comment:
Jan 26, 2021

MicroK8s: kubectl get componentstatus deprecated - etcd status missing

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  If you want to check the health of the basic components with kubectl get componentstatuses Warning: v1 ComponentStatus is deprecated in v1...
Jan 23, 2021

Microk8s: publishing the dashboard (reachable from remote/internet)

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  If you enable the dashboard on a microk8s cluster (or single node) you can follow this tutorial: https://microk8s.io/docs/addon-dashboard ...
Jan 22, 2021

Microk8s: No such file or directory: '/var/snap/microk8s/1908/var/kubernetes/backend.backup/info.yaml' while joining a cluster

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 Kubernetes cluster with microk8s on raspberry pi If you want to join a node and you get the following error: microk8s join 192.168.178.57:2...
1 comment:
Jan 20, 2021

MicroK8s: Kubernetes on raspberry pi - get nodes= NotReady

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On my little kubernetes cluster with microK8s    i got this problem: kubectl get nodes NAME     STATUS     ROLES    AGE   VERSION zigbee   N...
Dec 23, 2020

MicroK8s: more problems - log flooding

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After getting my kubernetes nodes running on ubuntu's microK8s i got thousands of these messages in my syslog: Dec 22 21:15:00 ubuntu mi...
Dec 12, 2020

My start to a local kubernetes cluster: microK8s @ubuntu

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After playing around with zigbee on raspberry pi, i decided to build up my own kubernetes cluster at home. I have to raspberry pi running ub...
Dec 11, 2020

MicroK8s: Dashboard & RBAC

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If you want to access your dashboard and you have enabled RBAC ( like shown here ), you will get this error, if you follow the default manua...
1 comment:
Dec 2, 2020

Kubernetes: Rights & Roles with kubectl and RBAC - How to restrict kubectl for a user to a namespace

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Playing around with my MicroK8S i was thinking about restricting access to the default namespace. Why? Every command adds something and so ...
Nov 27, 2020

Kubernetes with microK8s: First steps to expose a service to external

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At home i wanted to have my own kubernetes cluster. I own 2 raspberry pi based on ubuntu, so i decided to install microK8s: --> https://u...
1 comment:
Aug 10, 2019

Review @amazon: Skalierbare Container-Infrastrukturen: Das Handbuch für Administratoren und DevOps-Teams. Inkl. Container-Orchestrierung mit Docker, Rocket, Kubernetes, Rancher & Co.

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 Last week a read  Skalierbare Container-Infrastrukturen: Das Handbuch für Administratoren und DevOps-Teams. Inkl. Container-Orchestrierung ...