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Questions tagged [k3s]

k3s is intended to be a lightweight (with smaller memory footprint), fully compliant Kubernetes distribution. Use this tag for questions about platform k3s and k3s platform components (e.g. k3s server, agent, kubectl, crictl, ctr, token, etc.).

k3s is intended to be a lightweight (with smaller memory footprint), fully compliant Kubernetes distribution.

Great for Edge, IoT, CI, Development, ARM, Embedding K8s and situations where a PhD in k8s clusterology is infeasible. Solution supports the architectures x86_64, ARMv7, ARM64, and s390x.

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K3s ingress TLS enabled accessing TLS enabled backend, how to?

I have a local K3s kubernetes cluster with its traefik ingress controller. (Mac OSX, Multipass Hyper-V based local VMs: v1.18.3+k3s1 Ubuntu 16.04.6 LTS 4.4.0-179-generic containerd://1.3.3-k3s2) what I want is having an ingress that is tls…
Dirk Hoffmann
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k3s on arch linux ARM worker service not responding

Current setup: NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME cl01mtr01 Ready master 104m v1.18.2+k3s1 10.1.1.1 Debian…
Maarten
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Kubernetes "RETAIN" PVs are not getting auto mounted on restart

Hello Kubernetes Champs, We recently moved to "Retain" mode for volumes. Everything was working fine and unfortunately OS crashed. After restart all the pods are running successfully except the ones which uses PVCs and PVs. I checked the PV and they…
Sumer
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How to add remote vm instance as worker node in kubernetes cluster

I'm new to kubernetes and trying to explore the new things in it. So, my question is Suppose I have existing kubernetes cluster with 1 master node and 1 worker node. Consider this setup is on AWS, now I have 1 more VM instance available on Oracle…
Shubham Naphade
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Certificate of K3S cluster

I'm using a K3S Cluster in a docker(-compose) container in my CI/CD pipeline, to test my application code. However I have problem with the certificate of the cluster. I need to communicate on the cluster using the external addres. My docker-compose…
CAFEBABE
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Kompose up username and password authentication

I'm experimenting with using kompose on k3s to turn the compose file into a K8s file, but when I type kompose up, it asks me to enter a username and password, but I don't know what to write. The specific output is as follows # kompose up INFO We are…
moluzhui
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k3s - can't access from one pod to another if pods on different master nodes (HighAvailability setup)

k3s - can't access from one pod to another if pods on different nodes Update: I've narrowed the issue down - it's pods that are on other master nodes that can't communicate with those on the original master pods on rpi4-server1 - the original…
ceharep
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k3s - High Availability on raspberry pis - problems setting up

I'm trying to get k3s set up with High Availability using two raspberry pi 4s, but can't get the second server to link to the first. Grateful for any help with getting this to work. I've tried both the Embedded DB and with an External DB…
ceharep
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Joining K3s agent node to K8s Master node

I was curious if we can use k8s and k3s together as it will help me in solving a complex architecture for edge computing. I have a running k8s cluster prepared using kubeadm. For edge devices, I would like to have lightweight k3s running on them. Is…
Ronit Singh
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Error initialising helm in k3s - "the server could not find the requested resource"

I am running k3s in a docker container using k3d. My cluster info: $ kubectl cluster-info Kubernetes master is running at https://127.0.0.1:6443 CoreDNS is running at…
Mike Stoddart
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How to pull images from Azure Container Registry when using K3s?

In production we use Azure Container Registry and AKS. For development, we have K3s on our dev server (on-prem). Is it possible for K3s to pull images from a private registry such as Azure Container Registry?
bcd
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If crictl can pull an image from localhost, why does k3s fail to deploy it on localhost?

I have installed k3s on a cluster of raspberry pi's. pi@pikey:~ $ sudo kubectl get node NAME STATUS ROLES AGE VERSION pikey Ready master 4d23h v1.14.6-k3s.1 pinode-1 Ready worker 4d23h v1.14.6-k3s.1 pinode-2 …
Andrew Bucknell
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metrics-server unable to authenticate the request due to certificate error

I deployed metrics-server on my cluster. the pods are running as expected. kubectl get --raw "/apis/metrics.k8s.io/v1beta1/nodes return: error: You must be logged in to the server (Unauthorized) the logs inside metrics server pods are like…
Duduche
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Run e2e test with simulation of k8s

we want to create e2e test (integration test ) for our applications on k8s and we want to use minikube but it seems that there is no proper (maintained or official ) docker file for minikube. at least I didn’t find any…In addition I see k3s and…
Rayn D
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Is there a possibility to have at least two server nodes in the k3s cluster?

K3s is a low resource version of Kubernetes (k8s). https://k3s.io In k8s is possible to have a cluster with more server nodes in case that one of the main server nodes will fail, another one can take his job. Can I do the same with k3s? and…
Dušan Salay
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