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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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Using the default Falco helm chart i installed Falco and sidekick UI firstly without k8saudit plugin. After updating the configmaps accordingly to install, configure and load k8saudit, daemonset ...
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My Ubuntu Desktop Ubuntu 24.04 LTS runs a Samba share using this smb.conf: [global] allow insecure wide links = yes unix extensions = no follow symlinks = yes wide links = yes I am running k3s ...
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I had an issue with TLS configuration with Traefik Gateway API so I switched to Nginx Ingress, but I had problem in configuration. I have the backend in Spring Boot And had CORS configuration only ...
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I am trying to create COE kubernetes template in magnum, during creation of template I am using below parameters. openstack coe cluster template create strategy --coe kubernetes --public --tls-...
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While building the image for one of our application, i observed that I am unable to pull openjdk:8-jre from official docker.io error: [ERROR]: [#3 ERROR: docker.io/library/openjdk:8-jre: not found] i ...
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I have a problem inside my cloud-init that I cannot get over, here is slice of my control plane cloud-init.yml - curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash - ...
Hubert Kiszka's user avatar
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I have a Kubernetes cluster that runs services getting used rarely. For efficiency it runs all pods on a small node - the small node is always up. Every now and then a big node becomes available and ...
queeg's user avatar
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Here is snippet of my controlplane cloud-init I have problem with - export KUBECONFIG=/etc/kubernetes/admin.conf - kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.30.3/...
Hubert Kiszka's user avatar
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I am using GKE and Google Cloud Load Balancers. I am deploying pods, services, and an ingress to GKE. The ingress is annotated with kubernetes.io/ingress.class: gce, which triggers the automatic ...
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I'm trying to build a new cluster running on my Raspberry PI 4, each one has 8GB Ram. Currently rebuilding the cluster from scratch, using Ubuntu Server 22.04 When I try to follow the instructions to ...
Colin Dawson's user avatar
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I am trying to setup tun2proxy as a sidecar VPN for my Kubernetes pod to reroute all traffic through a SOCKS5 ISP. I use the following Helm-based .yaml deployement: {{- range .Values.secrets }} {{- $n ...
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I have a Java application in a pod that is spitting out logs straight to stdout. These logs are fetched by the log-operator which runs a combination of fluent bit 3.1.8 and fluentd 1.16.1. The ...
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I’m trying to expose a service running in the atlantis namespace through an ALB Ingress Controller that’s deployed in the application namespace on AWS EKS. The ALB is being created and reconciled ...
Yeahia Md Abid's user avatar
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If I set the IP Address in the metallb config file to the Public Floating IP I bought from the Cloud infrastructure provider or the Public IP of the node : apiVersion: metallb.io/v1beta1 kind: ...
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I want to setup a Kubernetes Cluster, for testing and later for prod purpose. but I am stuck with the concept of VMs running in Kubernetes. First I want to mention that I don't have a shared storage, ...
pille's user avatar
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How can I improve the scaling speed of my Kubernetes deployments? When I increase the replica count, it takes multiple minutes until new pods become ready. They are staying for a very long time in ...
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I have Kubernetes cluster set up on SLES using Flannel network plugin with standard 10.244.0.0/16 CIDR for a few years. I need to connect to an external LDAPS server that is using an overlapping IP ...
Mariusz Jędrzejewski's user avatar
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My problem: I am only using promtail to send logs from my Kubernetes cluster to my Grafana cloud instance. It works, my logs arrive perfectly. My problem is that I don't want to send logs from the ...
cesAR's user avatar
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Is there a way to identify a container uniquely even if it moves to another node in a Kubernetes cluster? I know this can be achieved through statefulsets. But is there a way to achieve this for other ...
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I have the following url: https://www.mysite_sample.net/api I want to block curl and similar programs from reaching this link. When this link is accessed by curl or similar programs then the response ...
Jose Cabrera Zuniga's user avatar
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I am trying to build a lab Kubernetes cluster in a Linux host, using Incus system containers as nodes. I want to do it in an automated way using Terraform and Ansible. The current status of the work ...
Trifo's user avatar
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When I try to run kubectl create secret generic from my pipeline it fails with the error: error: You must be logged in to the server (the server has asked for the client to provide credentials) Here ...
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I have a self-hosted kubernetes cluster running. I have NGINX Ingress Controller set up to expose apps externally. I'm trying to set up its network policy, but health check fails after applying the ...
bearhug's user avatar
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At work, we run ZMQ apps on several computers in the lab, these apps are deployed into K8s. The ZMQ pretty much, just sends cmd and receive status, not heavy traffic app like video. During daytimes ...
user3552178's user avatar
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I'm trying to deploy Prestashop e-commerce platform in either v8 or v9 (I tried both) on my on-site hardware. The architecture looks like this: PUBLIC INTERNET -> NGINX PROXY MANAGER -> TRAEFIK ...
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Cluster on-premise information: Kubernetes and kubeadm version: v1.33.1 Host OS: Ubuntu 22.04.2 LTS CNI: Calico:3.30.1 CRI: containerd://1.7.21 When I do an upgrade of k8s cluster on-prem created ...
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In our K3S cluster hosted on Hetzner we have a service that produces outbound traffic to reach an external Postgres DB. The database server expects that the IP will stay the same for whitelisting ...
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What can cause this error? 7m47s Normal Created pod/awx-operator-controller-manager-58b7c97f4b-w6flh Created container: awx-manager 13m Warning Unhealthy ...
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After OS and node pool upgrades of Azure AKS I have a problem where at least one pod with a LRS disk attached is not scheduled due to unfulfilled CPU or memory requests. The overall node pool (one ...
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I am trying to install kubernetes v1.30 from a local docker registry "snd-image-repo:5000". I am running containerd as runc. Now I am facing issue for downloading images when I run kubeadm ...
Aman Singh's user avatar
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I have deployed pod on my lab ( workstation - vcenter - esxi - rancher - rke2 ) I have create pod with nginx and created ingress with metallb. I can curl nginx from cluster but not from my windows ...
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I'm using Rancher with rke2r1 on my lab (vsphere) and I'm trying to create new K8s cluster with separated machine pool. In default mode I must select all 3 roles (etcd, control plane, worker) to have ...
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I have setup my website infrastructure on Digital Ocean, below are some details of infra HTTPS traffic from Internet going to Load Balancer Kubernetes cluster with 2 nodes, running application pods ...
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I am using strimzi kafka setup in kubernetes production. I have 5 connect pods, 1 strimzi operator and ~9 connectors distributed across these 5 pods. Some pods display the below error when connection ...
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I am working with eks self managed worker nodes, the control plans are managed by aws, the ENIs are in 2 AZ in Paris in "wavelength_vpc", and the worker nodes are self managed in Casablanca ...
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I use the Bitnami Kubectl image (https://hub.docker.com/r/bitnami/kubectl) in some probes to automatically restart pods. However, due to recent changes in the BITNAMI's policies, I'm looking for ...
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If this question has been answered before, please link it, but I did not find any answer. AI answers are inconclusive and sometimes contradictory. See also Edits for further updates! I keep getting ...
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Is there an example configuration of eclipse-mosquitto 2.x (docker container) on Kubernetes to restart automatically the pod when cert-manager obtains a new Let's encrypt certificate automatically (...
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I am trying to setup kubernetes cluster using kind. I am following this video. After deplying the Metallb when i was about to start configuring it, i noticed that my nodes shows IP 172.18.0.x where as ...
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I'm configuring a system using AWS EKS, NLB, and the nginx ingress controller. NLB is configured separately, and the nginx ingress controller is configured as a nodeport type using Helm. However, due ...
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Ahoy all, I am currently running a Harvester machine I would like to connect to rancher's Virtualization Management services. I followed the instructions here: https://docs.harvesterhci.io/v1.2/...
Mudrock's user avatar
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I’m running a large Google Kubernetes Engine GKE cluster (Dataplane V1, 100+ nodes, ~800 services over 3 node pools). For better security for critical service, I need to strictly isolate a single ...
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Overview I am trying to set up kubernetes on an openstack cloud infrastructure. Using kubeadm I now have a cluster with two nodes available and want to expose the first app. A simple flask server. To ...
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I'm facing an issue in a local Kubernetes cluster created using kind. I have an initContainer with a startupProbe defined like this: startupProbe: httpGet: path: /graceful_startup port: ...
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Cluster Info Kubernetes Version: 1.29 Host OS: Amazon Linux 2023 Cloud: EKS Comparison Host OS: Amazon Linux 2 Problem We have observed a behavioral difference in swap memory usage between ...
Nitish Subramanian's user avatar
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Context I have installed a kubernetes cluster with kubeadm on two openstack instances ( one control and one worker). I am at the point where I can start a deployment and see the app is running by ...
M.S.'s user avatar
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Directed here from SO. Currently have an application hosted in Kubernetes on AWS, that is integrated with API Gateway via VPC Link. We have 3-6 Nginx pods spread throughout 3 availability zones, about ...
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I’m deploying an RKE2 cluster where, for now, I only have a single server node acting as the leader. In my /etc/rancher/rke2/config.yaml, I set: server: https://:9345 However, after a while, the ...
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I am running 2 pods busybox and nginx in the namespace called webcn have exposed the nginx pod as a service i am trying to understand working of name resolution in kubernetes within a namespace from ...
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I have two containers redis and fluent-bit in a single pod. The relevant portion of their stripped out manifest is as given below: - name: redis ... securityContext: ...
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