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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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Kubernetes exposed LoadBalancer service is very slow

I have prepared two Kubernetes installations on AWS, one with Heptio Kubernetes Quick start and the second one with Rancher on RancherOS. In both installations I run my hello-world app and configured the loadbalancing. After that accessing the app…
tporeba
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Can I server the Rancher Server through a hosted Traefik container?

I have a single dedicated server where I have installed a Rancher server and a Rancher client and is used to host some dockerized services. I have succesfully installed Traefik and it is configured with the Rancher API backend, and it reverse…
stratosgear
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Rancher Kubernetes Dashboard - Service Unavailable

I am new to Rancher and containers in general. While setting up Kubernetes cluster using Rancher, i’m facing problem while accessing Kubernetes dashboard. rancher/server: 1.6.6 Single node Rancher server + External MySQL + 3 agent…
Technext
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Rancher : Failed to find rancher-agent container

Im trying to create a new host (DigitalOccean) using rancher UI, every thing was Good but at the end i got this error : "Failed to find rancher-agent container" Logs : time="2017-07-20T09:55:57Z" level=info msg="stdout: Running pre-create…
AHmedRef
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Running docker-compose with Rancher OS

I am trying with aws rancher os. I want to create and run a docker-compose file with the same rancher OS. When I am trying with Docker-compose up command I am getting the error 'not recognized docker-compose. please anyone help me on this
Nijisha Kg
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Cross container/host communication with Rancher

I'm experimenting with Consul, Rancher and Docker. So I have this REST service that runs on 4 different hosts. each instance of this service register itself in a single Consul container using container linking. that is, all instances know about the…
Roger Johansson
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Rancher error when setting a boolean field with an environment variable

I have a rancher-compose.yml file where I set the upgrade_strategy.start_first field using an environment variable like this: upgrade_strategy: start_first: ${START_FIRST} batch_size: 1 When running using the rancher-compose CLI, I get…
David Rabinowitz
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Rancher with postgresql

I'm trying to run Rancher as a container using a postgresql database, instead of the Rancher database. In the documentation (http://docs.rancher.com/rancher/installing-rancher/installing-server/) is written that you can use an external database but…
Pier
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Got "failed to sufficiently increase receive buffer size" error for cloudflared

I have a local Kubernetes created by Rancher Desktop. I have deployed a named Cloudflared Tunnel based on this tutorial. I recently started to get error: failed to sufficiently increase receive buffer size (was: 208 kiB, wanted: 2048 kiB, got: 416…
Hongbo Miao
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How to set proxy credentials for Rancher Desktop

I have installed Rancher Desktop. It is working perfectly except for the inability for nerdctl and k3s to download docker images from hub.docker.com from behind my corporate firewall. Question 1: After downloading Rancher Desktop, how do I set my…
Jerrod Horton
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Rancher Desktop Kubernetes Virtualization Error

I am having an issue when I try to launch Rancher Desktop. I am running Ubuntu version 18.04.6 LTS. I have a suspicion the error is because I need a newer Ubuntu version but I am not sure. Also, my CPU has virtualization enabled (checked BIOS) so I…
Jabba the Hutt
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nerdctl DNS timeout on Windows

We just installed Rancher Desktop 1.4.1 (nerdctl v 0.20.0) on Windows 10 and we seem to have a problem pulling images and logging into a registry: nerdctl pull alpine docker.io/library/alpine:latest: resolving …
SCote
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Rancher node: Nameserver limits were exceeded, some nameservers have been omitted

I was running into: Nameserver limits were exceeded, some nameservers have been omitted. I am experiencing this for my pods on two of my nodes. Three other nodes (their pods) don't have this issue. The pods are configured with ClusterFirst…
mc_plectrum
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Where can I see the logs for failed airflow scheduler deployments?

I'm deploying Airflow with Helm (I'm using Rancher to do so) I've set up git-sync to pull the DAGs from a private repo. Everything is working fine. Now I want to switch to a different repo. I updated repo and subPath in the Helm configuration …
Stichiboi
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Rancher failed to launch with the error k3s exited with: exit status 1

I am running rancher latest docker image on Mac M1 laptop but the contact failed to start. The command I am using is sudo docker run -d -p 80:80 -p 443:443 --privileged rancher/rancher. Below is the versions for my environment: $ docker…
Joey Yi Zhao
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