Aug 3, 2023 · The meaning of RANCHER is one who owns or works on a ranch. How to use rancher in a sentence. To set a sidekick relationship, you add a label to one of the services. The key of the label will be io.rancher.sidekicks and the value will be the service (s). If you have multiple services to add as sidekicks, they should be separated with commas. Example: io.rancher.sidekicks: sidekick1, sidekick2, sidekick3.1. Create a copy of the data from your Rancher server container. Using a remote Terminal connection, log into the node running your Rancher server. Stop the container currently running Rancher server. Replace <RANCHER_CONTAINER_NAME> with the name of your Rancher container. docker stop <RANCHER_CONTAINER_NAME>.To set a sidekick relationship, you add a label to one of the services. The key of the label will be io.rancher.sidekicks and the value will be the service (s). If you have multiple services to add as sidekicks, they should be separated with commas. Example: io.rancher.sidekicks: sidekick1, sidekick2, sidekick3.Rancher is primarily deployed on two types of clusters, RKE and K3s. RKE is mainly used in more traditional data centers and cloud deployments, and K3s are primarily used in more edge and ...A ranch (from Spanish: rancho / Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often applied to livestock-raising operations in Mexico, the Western United States and Western Canada ...Configuring the Rancher Command Line Interface. There are several methods you can configure the settings that the Rancher CLI uses when interacting with Rancher, i.e. Rancher URL and account API keys. Account API keys can be created in API. There is a specific load order for what will be used. During rancher config, you’ll set the Rancher URL ...To operate properly, Rancher requires a number of ports to be open on Rancher nodes and on downstream Kubernetes cluster nodes. Rancher Nodes The following table lists the ports that need to be open to and from nodes that are running the Rancher server. The port requirements differ based on the Rancher server architecture. The Rancher UI works best in Firefox or Chromium based browsers (Chrome, Edge, Opera, Brave, etc). See our page on best practices for a list of recommendations for running a Rancher server in production. Kubernetes Compatibility with Rancher Rancher needs to be installed on a supported Kubernetes version.Node pools are available when you provision Rancher-launched Kubernetes clusters on nodes that are hosted in an infrastructure provider. Clusters provisioned using one of the node pool options can be scaled up or down if the node pool is edited. A node pool can also automatically maintain the node scale that's set during the initial cluster ...The options below are available for Rancher-launched Kubernetes clusters and Registered K3s Kubernetes clusters. The following options also apply to imported RKE2 clusters that you have registered. If you import a cluster from an external cloud platform but don't register it, you won't be able to upgrade the Kubernetes version from Rancher. Rancher. 09/19/2022. "Rancher is the leader in the market leader in open source cloud native Kubernetes management and allows users to manage and scale workloads, cluster in any environment and support any certified Kubernetes distribution". Read the full Rancher review.This section provides a copy of the older installation instructions for Rancher installed on an RKE Kubernetes cluster with Helm 2, and it is intended to be used if upgrading to Helm 3 is not feasible. To set up Rancher, Install the required CLI tools. Add the Helm chart repository. Create a namespace for Rancher.A lightweight Kubernetes distribution, easy to use and ideal for IoT and Edge. A Kubernetes distribution focused on enabling Federal government compliance-based use cases. Rancher Kubernetes Engine (RKE1) is a simple, lightning fast Kubernetes installer that works everywhere.Oct 19, 2021 · The smallest, easiest way to run Docker in production at scale. Everything in RancherOS is a container managed by Docker. This includes system services such as udev and rsyslog. RancherOS includes only the bare minimum amount of software needed to run Docker. This keeps the binary download of RancherOS very small. 1. Create a copy of the data from your Rancher server container. Using a remote Terminal connection, log into the node running your Rancher server. Stop the container currently running Rancher server. Replace <RANCHER_CONTAINER_NAME> with the name of your Rancher container. docker stop <RANCHER_CONTAINER_NAME>.Original answer. Rancher is a neat tool that is best described as a deployment tool for Kubernetes that additionally has integrated itself to provide networking and load balancing support. Rancher initially created it's own framework, called Cattle, to coordinate docker containers across multiple hosts. At that time Docker was limited to ...RKE2 is Rancher's next-generation Kubernetes distribution for datacenter and cloud installations. When an RKE2 or K3s cluster is registered in Rancher, Rancher will recognize it. The Rancher UI will expose the features for all registered clusters, in addition to the following features for editing and upgrading the cluster:A Docker installation of Rancher is recommended only for development and testing purposes. The ability to migrate Rancher to a high-availability cluster depends on the Rancher version: The Rancher backup operator can be used to migrate Rancher from the single Docker container install to an installation on a high-availability Kubernetes cluster. Before configuring Rancher to use Keycloak (OIDC), Keycloak (SAML) must be first disabled. In the Rancher UI, click ☰ > Users & Authentication. In the left navigation bar, click Auth Provider. Select Keycloak (SAML). Click Disable. Configure Rancher to use Keycloak (OIDC) by following the steps in this section. Rancher Support Learn more about Rancher Prime support and access free support tools. Support Request Submit a support case in SUSE Customer Center. Documentation Technical documentation and quick start guides.Rancher is an open source software platform that enables organizations to run and manage Docker and Kubernetes in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in ...$ ros config set rancher.system_docker.bip 172.19.0.0/16 Available as of v1.4.x. The default path of system-docker logs is /var/log/system-docker.log. If you want to write the system-docker logs to a separate partition, e.g. RANCHER_OEM partition, you can try rancher.defaults.system_docker_logs: Rancher is an open source software platform that enables organizations to run containers in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in production. Introduced in Rancher v2.6.1, Harvester is an open-source hyper-converged infrastructure (HCI) software built on Kubernetes. Harvester installs on bare metal servers and provides integrated virtualization and distributed storage capabilities. Although Harvester operates using Kubernetes, it does not require users to know Kubernetes concepts, making it a more user-friendly application.A ranch (from Spanish: rancho / Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often applied to livestock-raising operations in Mexico, the Western United States and Western Canada ... Introduced in Rancher v2.6.1, Harvester is an open-source hyper-converged infrastructure (HCI) software built on Kubernetes. Harvester installs on bare metal servers and provides integrated virtualization and distributed storage capabilities. Although Harvester operates using Kubernetes, it does not require users to know Kubernetes concepts, making it a more user-friendly application.Rancher provides a catalog of application templates that make it easy to deploy these complex stacks. By accessing the Catalog tab, you can view all the templates that are available in the enabled catalogs. The Library catalog contains templates from the Rancher certified catalog and the Community catalog contains templates from the community ... The meaning of RANCHER is one who owns or works on a ranch. How to use rancher in a sentence.Add a Kubernetes Cluster to Rancher. 1. On the home page of your Rancher graphical interface, click the Create button above the list of the available clusters. The Cluster: Create page opens. You can register a cluster you created before or create a new cluster using the existing nodes.Rancher Support Learn more about Rancher Prime support and access free support tools. Support Request Submit a support case in SUSE Customer Center. Documentation Technical documentation and quick start guides. Jan 20, 2022 · Kubernetes offers advanced scheduling and scaling capabilities to ensure application performance and high availability. However, its functionality focuses on managing resources within a single cluster. Rancher, on the other hand, is a platform designed to manage multiple Kubernetes clusters. It eases Kubernetes cluster management in large ... Rancher Support Learn more about Rancher Prime support and access free support tools. Support Request Submit a support case in SUSE Customer Center. Documentation Technical documentation and quick start guides. However, installing Rancher on a single-node cluster can be useful if you want to save resources by using a single node in the short term, while preserving a high-availability migration path. To set up a single-node K3s cluster, run the Rancher server installation command on just one node instead of two nodes. Rancher definition: A rancher is someone who owns or manages a large farm , especially one used for raising... | Meaning, pronunciation, translations and examplesKubernetes offers advanced scheduling and scaling capabilities to ensure application performance and high availability. However, its functionality focuses on managing resources within a single cluster. Rancher, on the other hand, is a platform designed to manage multiple Kubernetes clusters. It eases Kubernetes cluster management in large ...Rancher Catalog. Rancher supports the capability of hosting a catalog of Kubernetes templates. To use a template, click on the Catalog tab. Select the template that you want to launch and click View Details. Review and edit the stack name, stack description, and configuration options and click on Launch.Perfect for Edge. K3s is a highly available, certified Kubernetes distribution designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances.When Rancher starts for the first time, a password is randomly generated for the first admin user. When the admin first logs in to Rancher, the UI shows commands that can be used to retrieve the bootstrap password. The admin needs to run those commands and log in with the bootstrap password. Then Rancher gives the admin an opportunity to reset the password.Rancher is primarily deployed on two types of clusters, RKE and K3s. RKE is mainly used in more traditional data centers and cloud deployments, and K3s are primarily used in more edge and ...A Docker installation of Rancher is recommended only for development and testing purposes. The ability to migrate Rancher to a high-availability cluster depends on the Rancher version: The Rancher backup operator can be used to migrate Rancher from the single Docker container install to an installation on a high-availability Kubernetes cluster. May 25, 2023 · When Rancher starts for the first time, a password is randomly generated for the first admin user. When the admin first logs in to Rancher, the UI shows commands that can be used to retrieve the bootstrap password. The admin needs to run those commands and log in with the bootstrap password. Then Rancher gives the admin an opportunity to reset the password. Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubernetes onto them, or import existing Kubernetes clusters running anywhere. Rancher adds significant value on top of Kubernetes, first by centralizing authentication and role-based access control (RBAC) for all of the clusters, giving global ... rancher/server:latest tag will be our latest development builds. These builds will have been validated through our CI automation framework. These releases are not meant for deployment in production. rancher/server:stable tag will be our latest stable release builds. This tag is the version that we recommend for production. Rancher is a tool for managing Kubernetes clusters. It can manage clusters it creates (using RKE), or imported clusters, like in-house Kubernetes, or EKS, GKE, or other cloud hosted clusters. It provides both a web UI and a CLI for automation. It adds user roles and permission that can be applied across clusters and projects.Add a Kubernetes Cluster to Rancher. 1. On the home page of your Rancher graphical interface, click the Create button above the list of the available clusters. The Cluster: Create page opens. You can register a cluster you created before or create a new cluster using the existing nodes.Release v2.7.6. It is important to review the Install/Upgrade Notes below before upgrading to any Rancher version. This is a minimal patch release dedicated to fixing a targeted set of regressions found in Rancher v2.7.5. All users should skip upgrading to 2.7.5 and immediately upgrade to 2.7.6.Rancher is an open source software platform that enables organizations to run containers in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in production.Add a Kubernetes Cluster to Rancher. 1. On the home page of your Rancher graphical interface, click the Create button above the list of the available clusters. The Cluster: Create page opens. You can register a cluster you created before or create a new cluster using the existing nodes.Rancher is primarily deployed on two types of clusters, RKE and K3s. RKE is mainly used in more traditional data centers and cloud deployments, and K3s are primarily used in more edge and ...Before configuring Rancher to use Keycloak (OIDC), Keycloak (SAML) must be first disabled. In the Rancher UI, click ☰ > Users & Authentication. In the left navigation bar, click Auth Provider. Select Keycloak (SAML). Click Disable. Configure Rancher to use Keycloak (OIDC) by following the steps in this section.Oct 25, 2022 · What is Rancher? Rancher is a Kubernetes management tool to deploy and run clusters anywhere and on any provider. Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubernetes onto them, or import existing Kubernetes clusters running anywhere. By default, Rancher server is configured to use a locally stored AES256 encryption key to perform the encryption of secrets. These encrypted values are stored in the MySQL database that Rancher server uses. Using Vault Transit. Instead of using the locally stored key, Rancher can be configured to use Vault Transit to perform the encryption. Slack Join the Rancher Slack Channel. Blogs Articles and industry knowledge from experts and guest authors. GitHub Join the Rancher GitHub. Events & Webinars Rancher events, online trainings and webinars. Community Projects. See more fully-certified CNCF projects from Rancher. K3s; Longhorn; Kubewarden; Rancher Desktop; Epiniorancher/server:latest tag will be our latest development builds. These builds will have been validated through our CI automation framework. These releases are not meant for deployment in production. rancher/server:stable tag will be our latest stable release builds. This tag is the version that we recommend for production. When using Rancher v2.7.5 and above, Rancher attempts to detect if a cluster is running a Kubernetes version where PSPs are not supported, and will default it's usage of PSPs to false if it can determine that PSPs are not supported in the cluster. Users can still manually override this by explicitly providing true or false for this value ... Oct 25, 2022 · What is Rancher? Rancher is a Kubernetes management tool to deploy and run clusters anywhere and on any provider. Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubernetes onto them, or import existing Kubernetes clusters running anywhere. Before configuring Rancher to use Keycloak (OIDC), Keycloak (SAML) must be first disabled. In the Rancher UI, click ☰ > Users & Authentication. In the left navigation bar, click Auth Provider. Select Keycloak (SAML). Click Disable. Configure Rancher to use Keycloak (OIDC) by following the steps in this section. Rancher Support Learn more about Rancher Prime support and access free support tools. Support Request Submit a support case in SUSE Customer Center. Documentation Technical documentation and quick start guides. Rancher Desktop lets developers easily run Kubernetes on their desktop. Select the right Kubernetes version with just a few clicks. Build, push, pull, and run container images using either the Docker CLI (with Moby/dockerd) or nerdctl (with containerd). Get Started with Rancher Desktop. Removing Rancher Components from Registered Clusters For registered clusters, the process for removing Rancher is a little different. You have the option of simply deleting the cluster in the Rancher UI, or your can run a script that removes Rancher components from the nodes. Both options make the same deletions.Start the server. To install and run Rancher, execute the following Docker command on your host: $ sudo docker run --privileged -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher. Copy. To access the Rancher server UI, open a browser and go to the hostname or address where the container was installed.Click on Machine Config in the host’s dropdown menu. It will download a tar.gz file that has all the certificates. To SSH into your host, go to your terminal/command prompt. Navigate to the folder of all the certificates and ssh in using the id_rsa certificate. $ ssh -i id_rsa root@<IP_OF_HOST>. GitHub - rancher/rancher: Complete container management platform release/v2.8 345 branches 1,716 tags Go to file Code mjura Merge pull request #42584 from highlander-ci-bot/create-pull-request/… f9bb34d 4 hours ago 10,900 commits .github Add Github Action check for bad modules last month chart A ranch (from Spanish: rancho / Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often applied to livestock-raising operations in Mexico, the Western United States and Western Canada ... Rancher is an open source software platform that enables organizations to run containers in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in production. Sep 21, 2016 · Original answer. Rancher is a neat tool that is best described as a deployment tool for Kubernetes that additionally has integrated itself to provide networking and load balancing support. Rancher initially created it's own framework, called Cattle, to coordinate docker containers across multiple hosts. At that time Docker was limited to ... Rancher. 09/19/2022. "Rancher is the leader in the market leader in open source cloud native Kubernetes management and allows users to manage and scale workloads, cluster in any environment and support any certified Kubernetes distribution". Read the full Rancher review. Use Rancher to manage your RBAC and apply best practice security policies uniformly across all your hybrid cloud environments. The Edge K3S is a highly available, certified Kubernetes distribution designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances. Rancher is an open source software platform that enables organizations to run and manage Docker and Kubernetes in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in ...A Docker installation of Rancher is recommended only for development and testing purposes. The ability to migrate Rancher to a high-availability cluster depends on the Rancher version: The Rancher backup operator can be used to migrate Rancher from the single Docker container install to an installation on a high-availability Kubernetes cluster.$ ros config set rancher.system_docker.bip 172.19.0.0/16 Available as of v1.4.x. The default path of system-docker logs is /var/log/system-docker.log. If you want to write the system-docker logs to a separate partition, e.g. RANCHER_OEM partition, you can try rancher.defaults.system_docker_logs:Secure, Multi-Cluster Kubernetes Everywhere. Scale containers with confidence with Rancher. Get more value with Rancher Prime and securely manage your Kubernetes clusters anywhere. Comparison Guide: See how we stack up. Forrester Report: Insights on the economic value of Rancher Prime. Release v2.7.6. It is important to review the Install/Upgrade Notes below before upgrading to any Rancher version. This is a minimal patch release dedicated to fixing a targeted set of regressions found in Rancher v2.7.5. All users should skip upgrading to 2.7.5 and immediately upgrade to 2.7.6.Introduced in Rancher v2.6.1, Harvester is an open-source hyper-converged infrastructure (HCI) software built on Kubernetes. Harvester installs on bare metal servers and provides integrated virtualization and distributed storage capabilities. Although Harvester operates using Kubernetes, it does not require users to know Kubernetes concepts, making it a more user-friendly application.Longhorn is an official CNCF project that delivers a powerful cloud-native distributed storage platform for Kubernetes that can run anywhere. When combined with Rancher, Longhorn makes the deployment of highly available persistent block storage in your Kubernetes environment easy, fast and reliable. Download Now.The options below are available for Rancher-launched Kubernetes clusters and Registered K3s Kubernetes clusters. The following options also apply to imported RKE2 clusters that you have registered. If you import a cluster from an external cloud platform but don't register it, you won't be able to upgrade the Kubernetes version from Rancher. rancher/server:latest tag will be our latest development builds. These builds will have been validated through our CI automation framework. These releases are not meant for deployment in production. rancher/server:stable tag will be our latest stable release builds. This tag is the version that we recommend for production.Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubernetes onto them, or import existing Kubernetes clusters running anywhere. Rancher adds significant value on top of Kubernetes, first by centralizing authentication and role-based access control (RBAC) for all of the clusters, giving global ... Rancher is an open source software platform that enables organizations to run containers in production. With Rancher, organizations no longer have to build a container services platform from scratch using a distinct set of open source technologies. Rancher supplies the entire software stack needed to manage containers in production. Click on Machine Config in the host’s dropdown menu. It will download a tar.gz file that has all the certificates. To SSH into your host, go to your terminal/command prompt. Navigate to the folder of all the certificates and ssh in using the id_rsa certificate. $ ssh -i id_rsa root@<IP_OF_HOST>. Kubernetes offers advanced scheduling and scaling capabilities to ensure application performance and high availability. However, its functionality focuses on managing resources within a single cluster. Rancher, on the other hand, is a platform designed to manage multiple Kubernetes clusters. It eases Kubernetes cluster management in large ...Oct 25, 2022 · What is Rancher? Rancher is a Kubernetes management tool to deploy and run clusters anywhere and on any provider. Rancher can provision Kubernetes from a hosted provider, provision compute nodes and then install Kubernetes onto them, or import existing Kubernetes clusters running anywhere. Rancher supports CIDR notation ranges in this list. When not including sensitive data, the proxy or extraEnv chart options can be used. When using extraEnv the noProxy Helm option is ignored. Therefore, the NO_PROXY environment variable must also be set with extraEnv.
Rancher. 09/19/2022. "Rancher is the leader in the market leader in open source cloud native Kubernetes management and allows users to manage and scale workloads, cluster in any environment and support any certified Kubernetes distribution". Read the full Rancher review. . Cars under dollar5000 for sale near me
The Rancher ingress controller will leverage the existing load balancing functionality within Rancher and convert what is in Kubernetes ingress to a load balancer in Rancher. The ingress controller will: Listen to Kubernetes server events. Deploy a load balancer and program it with the routing rules defined in Ingress. Rancher Catalog. Rancher supports the capability of hosting a catalog of Kubernetes templates. To use a template, click on the Catalog tab. Select the template that you want to launch and click View Details. Review and edit the stack name, stack description, and configuration options and click on Launch.However, installing Rancher on a single-node cluster can be useful if you want to save resources by using a single node in the short term, while preserving a high-availability migration path. To set up a single-node K3s cluster, run the Rancher server installation command on just one node instead of two nodes. Aug 3, 2023 · The meaning of RANCHER is one who owns or works on a ranch. How to use rancher in a sentence. Rancher catalog contains a set of useful DevOps tools. Rancher is certified with a wide selection of cloud native ecosystem products, including, for example, security tools, monitoring systems, container registries, and storage and networking drivers. The following figure illustrates the role Rancher plays in IT and DevOps organizations. Mar 11, 2021 · Rancher is a tool for managing Kubernetes clusters. It can manage clusters it creates (using RKE), or imported clusters, like in-house Kubernetes, or EKS, GKE, or other cloud hosted clusters. It provides both a web UI and a CLI for automation. It adds user roles and permission that can be applied across clusters and projects. Rancher provides a catalog of application templates that make it easy to deploy these complex stacks. By accessing the Catalog tab, you can view all the templates that are available in the enabled catalogs. The Library catalog contains templates from the Rancher certified catalog and the Community catalog contains templates from the community ...Rancher Support Learn more about Rancher Prime support and access free support tools. Support Request Submit a support case in SUSE Customer Center. Documentation Technical documentation and quick start guides. Rancher is the complete enterprise computing platform to run Kubernetes clusters on-premises, in the cloud or at the edge. 100% open source software with zero lock-in, Rancher fits perfectly with your multi-cluster, hybrid or multi-cloud container orchestration strategy. A trusted leader in Enterprise Kubernetes Management.Rancher 2.0 became the first enterprise-grade platform for delivering Kubernetes as an enterprise service. Projects like k3s and submariner continue to push the Kubernetes community forward. In 2020, Rancher became part of SUSE, a pioneering open source innovator. All along, and especially now, we’ve maintained our commitment to build open ...$ ros config set rancher.system_docker.bip 172.19.0.0/16 Available as of v1.4.x. The default path of system-docker logs is /var/log/system-docker.log. If you want to write the system-docker logs to a separate partition, e.g. RANCHER_OEM partition, you can try rancher.defaults.system_docker_logs:Lightweight certified Kubernetes with Rancher. K3s is an official CNCF sandbox project that delivers a lightweight yet powerful certified Kubernetes distribution designed for production workloads across resource-restrained, remote locations or on IoT devices. When used with Rancher, K3s is simple to install, lightweight yet high availability ...Jun 2, 2022 · Portainer also integrates with external authentication and logging systems. Rancher features centralized user authentication, allowing users to define a single set of credentials for authenticating across clusters hosted with multiple providers. Like Portainer, setting up RBAC in Rancher is a simple process. For Rancher to be able to connect to your vSphere environment a Cloud Credential is required. Open the user menu and select Cloud Credentials. Click Add Cloud Credential. Enter a Name, from the dropdown menu select VMware vSphere as Cloud Credential Type, and enter your vCenter Server FQDN, Username, and Password. Click Create.Node pools are available when you provision Rancher-launched Kubernetes clusters on nodes that are hosted in an infrastructure provider. Clusters provisioned using one of the node pool options can be scaled up or down if the node pool is edited. A node pool can also automatically maintain the node scale that's set during the initial cluster ...Node pools are available when you provision Rancher-launched Kubernetes clusters on nodes that are hosted in an infrastructure provider. Clusters provisioned using one of the node pool options can be scaled up or down if the node pool is edited. A node pool can also automatically maintain the node scale that's set during the initial cluster ...To install a specific Rancher version, use the --version flag, example: --version 2.7.0. For Kubernetes v1.25 or later, set global.cattle.psp.enabled to false when using Rancher v2.7.2-v2.7.4. This is not necessary for Rancher v2.7.5 and above, but you can still manually set the option if you choose.A Docker installation of Rancher is recommended only for development and testing purposes. The ability to migrate Rancher to a high-availability cluster depends on the Rancher version: The Rancher backup operator can be used to migrate Rancher from the single Docker container install to an installation on a high-availability Kubernetes cluster.8. Install the Rancher Helm Chart Next, install the Rancher Helm chart by following the instructions on this page. The Helm instructions are the same for installing Rancher on any Kubernetes distribution. Use that DNS name from the previous step as the Rancher server URL when you install Rancher. It can be passed in as a Helm option..