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Questions tagged [rancher]

Rancher is an open source project that provides a complete platform for operating Docker in production.

Rancher is an open source project that provides a complete platform for operating Docker in production. It provides infrastructure services such as multi-host networking, global and local load balancing, and volume snapshots. It integrates native Docker management capabilities such as Docker Machine and Docker Swarm. It offers a rich user experience that enables devops admins to operate Docker in production at large scale.

https://github.com/rancherio/rancher

962 questions
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1 answer

Alertmanager configuration does not get updated when values.yml have changed

I'm trying to configure Alertmanager with Mattermost. For the whole monitoring and alerting system we're using the Helm rancher-monitoring charts. When using the default values.yml file from this version of the chart everything will be deployed…
Lucas Scheepers
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Rancher Desktop macOS: Store images, containers and volumes in custom path

Is it possible in Rancher Desktop on macOS to specify the path, where all data (containers, images, volumes) are stored? As far as I know Rancher Desktop creates (like Docker Desktop) a VM in which all these data is stored, so is it possible to set…
Yannic
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Windows RKE2 nodes networking isn't working

In AWS, I have created a RKE2 cluster using the Rancher 2.6.2 UI. There are two Ubuntu 20.04 control plane nodes, and pods on these hosts can reach other pods/ the internet. My Windows node (Server 2019, 1809 Datacenter) joins the cluster without…
Mike
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Kubernetes unable to create impersonator account timeout

Hosting: Azure centos VM's running RKE1 Rancher Version: v2.6.2 Kubernetes Version: 1.18.6 Looking for help diagnosing this issue; I get two error messages From Rancher: Cluster health check failed: Failed to communicate with API server during…
researchbruz
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rancher CLI - rancher login and connect specific cluster

The rancher login works and post login getting a prompt to chose the project. rancher login $URL --token $TOKEN I want to bypass the project prompt and would want to set the cluster context as well. please help rancher login $URL --token $TOKEN…
P Ekambaram
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How to access host's local network from Rancher Desktop?

I am very new to Rancher. I am using Rancher Desktop on Windows, and I want to communicate wit a device that is attached to the host's local network. The container runtime is 'containered' Is there a command line argument while running the image…
RishabhHardas
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Lonhorn fails to install on Rancher 2.6 (Edge Doployment)

I want to use Rancher as edge orchestration tool. My Rancher server setup: Rancher version: 2.6 - fresh installation Installation option (Docker install/Helm Chart): Docker install on an Edge (single node) system When installing Longhorn from…
WeSee
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Cloning kubernetes cluster in rancher does not work

I am following https://rancher.com/docs/rancher/v2.5/en/cluster-admin/cloning-clusters/ to clone my cluster to a different rancher server. My rancher version 2.5.9 and I am using rancher cli 2.6.0. After I export my rancher config using export…
Mia Mois
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Is load balancer unnecessary for k3s embeded etcd HA solution

I have a same discussion in k3s github repository, but no one reply. Hope someone can give an answer here. There are articles talking about the embedded etcd HA solution of k3s like this. One of the key behavior is adding a load balancer solution…
aisensiy
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In Rancher, K8 cluster failing with "failed to communicate with API server during namespace check: context deadline exceeded"

Currently, a simple angular application is running in a docker container in kubernetes. The error reads: "Cluster health check failed: Failed to communicate with API server during namespace check: Get…
soul of a nameless bard
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Failed to add global permission to user Rancher

I tried to add user global permissions to a cluster, but fail to add, received the following error message: Internal error occurred: failed calling webhook "rancherauth.cattle.io": Post…
RuloSoloCabra
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How to use a custom SSL certificate with Rancher web UI?

I have a Rancher running inside a Kubernetes cluster. It is installed using helm chart. The Rancher web UI is exposed using an ingress. There is a DNS record for this ingress in an external DNS: rancher.myexample.com (this is just en example! DNS…
Michael Chudinov
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2 answers

K3S cluster is pending in Rancher dashboard

I have installed a 3 nodes cluster with K3S. Nodes are correctly detected by kubectl and I'm able to deploy images. $ k3s kubectl get nodes NAME STATUS ROLES AGE VERSION master Ready …
Manitoba
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Rancher 2.6.0: error="this plugin 'Fluent::Plugin::SplunkHecOutput' cannot handle arguments for section"

We are using the below tech stack rancher 2.6.0 K8s cluster created using rancher: v1.21.5 Separate Splunk container: Splunk Enterprise (Version: 8.2.2) I installed a logging chart and configured the output/cluster output to Splunk using its token,…
SHC
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Why does the Rancher DNS troubleshooting tips for K3s only seem to work with Busybox 1.28?

Troubleshooting a fresh install of K3s is made easier thanks to the Rancher DNS troubleshooting page which gives plenty of sensible advice, including testing DNS resolution by spinning up one-time Busybox instances and invoking nslookup…
Thib Guicherd-Callin
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