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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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Which of the Elliptic Curves are supported for the Rancher Kubernetes certificates?

Problem I have generated keys and certificates by OpenSSL with the secp256k1, run rke version v1.2.8 from the Rancher Kubernetes Engine (RKE), and got the following error: FATA[0000] Failed to read certificates from dir [/home/max/cluster_certs]:…
Maxim Masiutin
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Helm error : Error: the server has asked for the client to provide credentials

I have installed Rancher 2 and created a kubernetes cluster of internal vm's ( no AWS / gcloud). The cluster is up and running. I logged into one of the nodes. 1) Installed Kubectl and executed kubectl cluster-info . It listed my cluster…
VVP
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What is a sidekick container?

When creating a new service, one can add "sidekick containers" to it. What is a sidekick container? And how does it differ from a "normal" service container?
helt
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Kubectl command to return a list of all user accounts from Kubernetes

I am looking to output a comma separated list of all user accounts from Kubernetes. I understand that one can return a list of namespaces, pods, and so on from Kubernetes using the 'kubectl get namespace' and 'kubectl get pods' command. However, is…
Kerbol
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How can I tell what causes a helm chart deployment to fail?

If a Helm deployment's status is failed, what can I do to determine what made it fail?
Nomnom
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Namespace “stuck” as Terminating

I am getting issue while terminating the namesapce in the cluster, It's showing many parameters inside the namespace JSON. I followed this link…
rajendra sharma
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"no space left on device" when building with Jenkins and Docker

we use Jenkins to build Docker images and everything was find until last week when every time I try to build an image in Jenkins it fails with "Error response from daemon: Error processing tar file(exit status 1): write…
Matt
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How do I configure my DNS to work with Rancher 2.0 ingress?

I'm new to Kubernetes and Rancher, but have a cluster setup and a workload deployed. I'm looking at setting up an ingress, but am confused by what my DNS should look like. I'll keep it simple: I have a domain (example.com) and I want to be able to…
Steadman
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smtp timeout from python client in rancher container

I have a weird issue with no ideas what could be wrong, so maybe writing it here can help me come up with ideas. Or someone can help me :) I have a Django site running in rancher and for past few weeks I noticed emails are not working. Timeout error…
Lucas03
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How to launch an app via Docker on every Pull Request?

I run Jenkins and my app is dockerized, i.e. when I run the container it exposes port 3000 and I can point my browser there. On every Github PR I would like to deploy that git commit to a running container somewhere and have Jenkins post back to the…
tesserakt
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Rancher & Docker Failed to get ping from agent

I am facing another issue with Rancher & Docker. I've installed the Rancher Server and then, in another server, a Rancher Agent using the command provided from Rancher Server. I can see the node in the host section but every 5 minutes rancher…
devops85
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How to move PV from one kubernetes node to another

I have a k8s cluster which uses rancher.io/local-path. There is a PV there $ kubectl describe pv pvc-979af6ff-3617-4707-8a2c-b6c4ac00043f Name: pvc-979af6ff-3617-4707-8a2c-b6c4ac00043f Labels: …
Alex_www
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Is there any way to build and run Windows containers via Rancher Desktop?

I have installed Rancher Desktop application on Windows 10 and set it to use docker as container runtime. I was able to run simple commands on Windows with docker like, docker run -it --rm ubuntu sh However, I could not find an option to switch it…
Viji
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Secure way to mount CIFS/SMB share from container without privileged flag or SYS_ADMIN capability

I would like to access a Windows file share share (SMB3) from a docker container, but I do not want to compromise the security of the host machine. All the guides I have read state that I need to use either the --privileged flag or --cap-add…
ben
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Docker: How to start an existing container and forward the ports?

I am new to docker and I'm trying to get a permanent installation of Rancher started. To create the docker container I run the following command: docker run -d --name rancher-server -p 8080:8080 rancher/server Note that I want to forward the…
Lucas P.
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