Questions tagged [k3s]
K3s is Rancher's lightweight Kubernetes distribution.
20
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Installing k3s: zsh: not enough directory stack entries
When I install k3s, I'm getting
zsh: not enough directory stack entries.
You can see this at the bottom of the log below,
$ curl -sfL https://get.k3s.io | sh -
# Check for Ready node, takes ~30 ...
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0
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85
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K3s pull images from Docker Pro private repository
I'm attempting to use containers published to a private Docker Pro registry with K3s.
I've configured /etc/rancher/k3s/registries.yaml
mirrors:
docker.io:
endpoint:
- "...
- 1
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1
answer
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With kubectl, I'm getting Unable to connect to the server: x509: certificate signed by unknown authority
When I run something with k3s, like kubectl apply, I'm getting
Unable to connect to the server: x509: certificate signed by unknown authority
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2
answers
78
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Persistent Volume with Kubernetes
I have an application which consists of 2 containers which are running on an on-premise system. The responsibility of the application is to accept data from other on-premise systems and upload it to ...
- 3
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1
answer
198
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port forward ssh from traefik reverse proxy on docker to a k3s container
I'm running a k3s cluster (1 master + 2 workers) and a docker traefik container on the same host (master). The traefik docker container is actually doing the reverse proxy stuff for tls which is ...
- 1
1
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0
answers
126
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Can't access default k3s metrics server from Prometheus-Adapter
I have installed Prometheus-adapter along with the default metrics-server that comes with k3s securely on port 4443.
Unfortunately, I get no resources when I query custom.metrics.k8s.io
$ kubectl get ...
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101
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nginx ingress LoadBalancer service exposes two additional ports to the outside
I can't wrap my head around this issue that I encountered. I have a k3 cluster (v1.24.4+k3s1), with multiple services running behind an nginx ingress (helm: ingress-nginx/ingress-nginx). It creates a ...
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985
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Newly installed k3s cluster on fresh OS install can not resolve external domains or connect to external resources?
I'm following the k3s tutorial for troubleshooting DNS, after step 2 "Add KUBECONFIG for user.", if run this command,
kubectl run -it --rm --restart=Never busybox --image=busybox:1.28 -- ...
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1
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411
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Does /etc/rancher/k3s/registries.yaml affect `k3s ctr` and `k3s crictl`?
k3s ctr launches the contianerd CLI, and k3s crictl is the CRI cli. I'm told you configure k3s authentication to the image registries using /etc/rancher/k3s/registries.yaml. Does this yaml file ...
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69
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How can you validate that registries.yaml is set properly?
I've set up my /etc/rancher/k3s/registries.yaml, how can I confirm it works without doing
k3s kubectl run c1 --image docker.io/perl:5.30
k3s kubectl logs --follow=true c1
sleep 1
k3s kubectl delete ...
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1
vote
1
answer
655
views
How do I get k3s to authenticate with Docker Hub?
In jornalctl -u k3s, I see a bunch of errors like this
429 Too Many Requests - Server message: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and ...
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votes
0
answers
232
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K3s error, E0614 kubelet.go] "Error getting node"
When I boot k3s up, I'm getting this error:
host-10-2-68-228.openstack.build k3s[1390]: E0614 10:37:12.528678 1390 kubelet.go:2461] "Error getting node" err="node "host-10-2-68-...
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-1
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1
answer
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How can I get an installation of k3s working with KubeApps? [closed]
How can I get an install of KubeApps running on K3s? What are the minimal required steps?
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1
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KubeApps: Invalid GetAvailablePackageSummaries response from the plugin helm.packages: ... Unable to fetch chart categories
I followed the setup instructions for k3s, and kubectl in this answer. I'm getting this error when I boot into KubeApps
An error occurred while fetching the catalog: Invalid ...
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1
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Where can I find the default arguments supplied to the internal Kublet Service in k3s?
If I want to find the default-arguments to the internal Kublet service, where can I find these documented?
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Where are the documented arguments for `kubectl-args` and `kube-proxy-arg` in k3s?
K3s does not have a dedicated kubelet manager. In the K3s distribution the kubelet is an embedded service. The arguments to k3s are merely described as,
--kubelet-arg value (agent/flags) ...
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3
votes
1
answer
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Where does k3s store it's "/var/lib/kubelet/config.yaml" file?
Referencing another answer here, they suggest setting
evictionHard:
imagefs.available: 1%
memory.available: 100Mi
nodefs.available: 1%
nodefs.inodesFree: 1%
In the file /var/lib/kubelet/...
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1
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858
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k3s: Eviction manager: attempting to reclaim" resourceName="ephemeral-storage
When I run kubectl get pods -w --namespace kubeapps I see all my pods are pending
NAME READY STATUS RESTARTS AGE
kubeapps-internal-...
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6
votes
1
answer
12k
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error: error loading config file "/etc/rancher/k3s/k3s.yaml": open /etc/rancher/k3s/k3s.yaml: permission denied
When I run commands under k3s kubectl, I get
$ k3s kubectl version
WARN[0000] Unable to read /etc/rancher/k3s/k3s.yaml, please start server with --write-kubeconfig-mode to modify kube config ...
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2
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1
answer
5k
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k3s: The connection to the server localhost:8080 was refused - did you specify the right host or port?
When I run any kubectl commands, I'm getting
The connection to the server localhost:8080 was refused - did you specify the right host or port?
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