Questions tagged [kubernetes]

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the containers which make up an application into logical units for easy management and discovery.

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Microk8s ( Kubernetes ) for Mysql High- Availability

I am trying to setup MySQL HA Database with Microk8s Kubernetes. The goal is to have MySQL running on all 3 nodes with 1 floating IP in between them, and that if any of the nodes bursts up in flames ...
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Kubernetes on-premise setup?

I would like to know how to setup a kubernetes cluster on my Ubuntu 20 DPS I mean, I have installed docker and kubeadm I know how to make a deployment, service and little of ingress, I have used an ...
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Dynamic nfs/efs volumes in kubernetes cluster

In the past we used the efs-provisioner to dynamically create volumes for our pods using nfs based storage. This worked like a charm but it was moved to the kubernetes-retired/external-storage which ...
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GKE | The server encountered a temporary error and could not complete your request

Note: I did see forum posts for things that I do NOT have BUT the problem is the same piece of code (kubernetes) was all working till like 2 weeks ago (last test deploy) Firewall issues Health probe ...
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Kubernetes node runs into DiskPressure and failed ImageGC

so, as of recent I have faces a few problem with my local docker-desktop (Windows) Kubernetes cluster. Every now and then, the cluster just randomly seems to run into DiskPressure, and can't schedule ...
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Shards in Kubernetes

We have an application that we are running in kubernetes. However, this application only support a fixed number of people. It has multiple systems: DB Authentication system Web Application Media ...
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228 views

master fails after adding a second master

Runs under Virtualbox. 5 machines: 2 workers nodes, but I don't even get to that point. 1x load balancer, ubuntu running haproxy, on 192.168.20.10, configured like so: frontend kubernetes-frontend ...
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Attribute a static public ip for a pod in kubernetes

In my data center, I implemented a Kubernetes infrastructure with 3 workers and one master node. I'm looking to build 5 pods running postfix mail server, but because of risking to be blacklisted, I'm ...
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124 views

A proper way of handling nginx redirects and reverse proxy

I have a kubernetes cluster configured as follows: nginx+wp[:5050] <-- redirect 307 /wp nginx[:80:443] /pma rev_proxy --> nginx+pma[:5000] All services share a common external metallb IP. I have ...
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【Troubleshooting and Questions】Kubernetes Pod-to-Pod Communication Cross Nodes

Troubleshooting Pod-to-Pod Communication Cross Nodes Prerequisite: I use VirtualBox to setup 2 VMs. VirtualBox version is 6.1.16 r140961 (Qt5.6.2). The OS is CentOS-7(CentOS-7-x86_64-Minimal-2003.iso)...
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What's is the purpose of a trailing '-' in a Kubernetes apply -f -

I was passed the following, which does a dry run of the creation of a kubernetes secret from an appsettings.json file, which is then piped to a kubernetes apply. I think that the -f will take the ...
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Is aws-iam-authenticator still needed with EKS?

I've created a cluster (eks.3) through the console and then used aws eks update-config to generate the kubeconfig configuration. I immediately had access to the cluster through kubectl but the EKS ...
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Hosting docker images on multiple registries but reference them the same way e.g. in a k8s deployment

Since I started with docker there is one question that follows me and I could not get a good answer so far. Let's assume I have a .yaml file specifying a k8s deployment. We are building our docker ...
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27 views

Mounting iSCSI LUNs to kubernetes pods - single target, multiple LUNs

I have a single iSCSI target with 3 LUNs. Accordingly, I have three different apps I want to deploy to k8s, each connected to its own LUN. The problem is that I can't seem to run more than one of ...
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cannot add local k8s as cloud in juju

I have a three node cluster k8s which has been setup via kubeadm, I just heard about juju recently and I’m completely new. what I want is that to register my local k8s into my local juju node but as ...

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