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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nfs issue when mounting kube volumes

Dears, I am using using nfs to make data persist on postgresql deployement The deployment file looks like this apiVersion: apps/v1 kind: Deployment metadata: name: postgres-deployment spec: ...
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How to set bigquery schema for nginx-ingress logs which are collected by the fluent-bit

I deployed fluent-bit as a daemon set on my GKE. Fluent-bit Configuration. apiVersion: v1 kind: ConfigMap metadata: name: fluent-bit-config namespace: logging labels: k8s-app: fluent-bit ...
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Possible to remove cluster from 2.4.8 server and import it on a fresh 2.5 server?

Due to a wrong installation method (single node) we would like to migrate our existing kubernetes cluster to a newer and HA-rancher-kubernetes cluster. Can someone tell me if it’s safe to do following:...
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Anthos: Migrate to containers- Bank of Anthos Application

Regarding Anthos: Migrate to containers - Bank of Anthos Application I am trying to migrate bank of anthos application https://github.com/GoogleCloudPlatform/bank-of-anthos/ I have installed the ...
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Network performance with Kubernetes

I am running a small real time bidder application in Docker Swarm using host mode for networking. I found that other networking modes were giving much higher latency. Soon I plan to switch from Docker ...
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Kube-apiserver crashing

I am trying to create a kubernetes cluster on my local machine. I created 3 vm's (two master and a slave). I am using kubespray(v2.15.0) to create my cluster, But my kube-apiserver contianer keeps ...
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kubernetes external connection mongodb

I have a mongodb instance with 1 master and 2 slaves on a aws k8s. Everything works fine inside the k8s but when I am trying to make external connections this is harder. At the moment I am only doing ...
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23 views

Kops cluster creates more nodes than expected on aws

I new to kubernetes and kobs and are starting to create a cluster using kops create cluster --zones eu-central-1a,eu-central-1b ${NAME} After I have created I can see that the following > kops ...
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Why am I no longer able to reconnect to remote server

I worked fine on a remote server (ubuntu-16.04), and when I ran the command from https://github.com/ubuntu/microk8s/issues/408 to fix a bridging problem in microk8s (kubernetes) I fell into a bigger ...
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kube-apiserver exits while control plane joining the HA cluster

Ubuntu 16.04.5 All operation are done as root user software versions are as below: ii kubeadm 1.20.4-00 amd64 Kubernetes Cluster ...
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How to find out PID of the container using crictl

Kubernetes is deprecating Docker as CRI engine. Now there is containerd and CRI-O, which can be used as an alternative to it. Both can be managed via crictl from cri-tools. I need some common way to ...
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Can kubernetes move pods that begin to have interfering workloads?

Consider that I have two pods: one is serving webpages and another is performing consistent computation, like a Flask server on one pod and a Spark Executor as the other. Suddenly a new feature ...
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Nginx reverse proxy stack after some time

in my environment in rancher I use built in ingress load balancer to route trafic to custom nginx, which acts like reverse proxy for 2 "apps". In condition i choose which server I want to ...
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193 views

Can't configure RBAC to users in EKS

I have deployed EKS using eksctl following this docs. As the user who created the cluster I have full access control. Trying to grant system:masters permissions to a specific user doesn't work this ...
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IPC between multiple pods on same kubernetes node

I know that containers in a Pod can share data with each other via shared memory.   But, i have not found a way to use shared memory between Pods. Is it possible by enabling HostIPC in Pod Security ...

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