When I try to log into the Kubernetes Dashboard. Not Found (404) the server could not find the requested resource and how to deal with the error. Reason Older Dashboards used "kube-system" for "namespace", but more recent Dashboards use "k…

This is a way to notify external parties such as Slack or email when an error occurs in a program in GCP's Kubernetes (GKE). You do not have to implement your own error detection mechanism, only GCP settings can do this. How it works When …

We have added a new Kubernetes cluster and configured it to be switched with the kubectl command. Once you set it up, you don't have to tweak it, and if you don't, you'll forget how to do it, so I'll write down how to set it up for myself.…

There is a Kubernetes package manager called Helm. I don't use it that often, but every time I search for how to use it, I make a note of it for myself. What is Helm? When adding functionality to Kubernetes, deploy it to the cluster with a…

It was convenient to use "cert-manager" + DNS authentication to automatically update Let's Encrypt on Kubernetes (GKE) without processing on the service side. I wrote Introductory note before, but the procedure had changed, so I rewrote it…

PS Since the procedure had changed, we have rewritten it in a separate article, along with how to obtain a wildcard certificate. www.ekwbtblog.com Postscript ends here (original article below) It was convenient to use "cert-manager" + DNS …

This is a summary of how to communicate over HTTPS with Kubernetes (GKE) on Google Cloud Platform. Introduction. To allow Kubernetes to communicate with the outside world Method by Service Methods by Ingress There are two ways to do this. …