Clusters

Project Longhorn Now Available on Kubernetes

Since we announced Project Longhorn last year, there has been a great deal of interest in running Longhorn storage on a Kubernetes cluster. Today, I am very excited to announce the availability of Project Longhorn v0.2, which is a persistent storage implementation for any Kubernetes cluster. Once deployed on a Kubernetes cluster, Longhorn automatically clusters all available local storage from all the nodes in the cluster to form replicated and distributed block storage. Read More…

event March 27, 2018
timer Read Time: 3 minutes

Adding custom nodes to your Kubernetes cluster in Rancher 2.0 Tech Preview 2

Recently, we announced our second milestone release of Rancher 2.0 Tech Preview 2. This includes the possibility to add custom nodes (nodes that are already provisioned with a Linux operating system and Docker) by running a generated docker run command to launch the rancher/agent container, or by connecting over SSH to that node. In this post, we will explore how we can automate the generation of the command to add nodes using the docker runcommand. Read More…

event February 13, 2018
timer Read Time: 6 minutes

Using Kubernetes API from Go

Last month I had the great pleasure of attending Kubecon 2017, which took place in Austin, TX. The conference was super informative, and deciding on what session to join was really hard as all of them were great. But what deserves special recognition is how well the organizers respected the attendees’ diversity of Kubernetes experiences. Support is especially important if you are new to the project and need advice (and sometimes encouragement) to get started. Read More…

Alena Prokharchyk
Alena Prokharchyk
event January 19, 2018
timer Read Time: 8 minutes

Rancher 2.0 to Work with Amazon EKS

Today, Amazon announced a managed Kubernetes service called Elastic Container Service for Kubernetes (EKS). This means that all three major cloud providers—AWS, Azure, and GCP—now offer managed Kubernetes services. This is great news for Kubernetes users. Even though users always have the option to stand up their own Kubernetes clusters, and new tools like Rancher Kubernetes Engine (RKE) make that process even easier, cloud-managed Kubernetes installations should be the best choice for the majority of Kubernetes users. Read More…

event November 29, 2017
timer Read Time: 2 minutes

Announcing RKE, a Lightweight Kubernetes Installer

Today, we are announcing a new open-source project called the Rancher Kubernetes Engine (RKE), our new Kubernetes installer. RKE is extremely simple, lightning fast, and works everywhere. Why a new Kubernetes installer? In the last two years, Rancher has become one of the most popular ways to stand up and manage Kubernetes clusters. Users love Rancher as a Kubernetes installer because it is very easy to use. Rancher fully automates etcd, the Kubernetes master, and worker node operations. Read More…

event November 29, 2017
timer Read Time: 5 minutes

An Introduction to Rancher Kubernetes Engine (RKE)

Kubernetes installation is considered one of the toughest problems for operators and DevOps. Because Kubernetes can run on various platforms and operating systems, there are so many factors that should be considered during the installation process. In this post, I am going to introduce a new, lightweight tool for installing Kubernetes that supports installation on bare-metal and virtualized servers. Rancher Kubernetes Engine (RKE) is a Kubernetes installer written in Golang. Read More…

event November 29, 2017
timer Read Time: 7 minutes

Adopting a GKE Cluster with Rancher 2.0

Rancher 2.0 is out and odds are, you’re wondering what’s so shiny and new about it. Well, here’s a huge selling point for the next big Rancher release; Kubernetes cluster adoption! That’s right, we here at Rancher wanted more kids, so we decided it was time to adopt. In all seriousness though, this feature helps make Rancher more relevant to developers who already have Kubernetes clusters deployed and are looking for a new way to manage them. Read More…

event November 10, 2017
timer Read Time: 5 minutes

Configuring Kubernetes for Maximum Scalability

Kubernetes is designed to address some of the difficulties that are inherent in managing large-scale containerized environments. However, this doesn’t mean Kubernetes can scale in all situations all on its own. There are steps you can and should take to maximize Kubernetes’ ability to scale—and there are important caveats and limitations to keep in mind when scaling Kubernetes. I’ll explain them in this article. Scale versus Performance The first thing that must be understood about scaling a Kubernetes cluster is that there is a tradeoff between scale and performance. Read More…

Brien Posey
Brien Posey
event August 9, 2017
timer Read Time: 4 minutes

The Three Pillars of Kubernetes Container Orchestration

In Kubernetes, we often hear terms like resource management, scheduling and load balancing. While Kubernetes offers many capabilities, understanding these concepts is key to appreciating how workloads are placed, managed and made resilient. In this short article, I provide an overview of each facility, explain how they are implemented in Kubernetes, and how they interact with one another to provide efficient management of containerized *workloads. *If you’re new to Kubernetes and seeking to learn the space, please consider reading our case for Kubernetes article. Read More…

event May 18, 2017
timer Read Time: 7 minutes

The Case for Kubernetes

One of the first questions you are likely to come up against when deploying containers in production is the choice of orchestration framework. While it may not be the right solution for everyone, Kubernetes is a popular scheduler that enjoys strong industry support. In this short article, I’ll provide an overview of Kubernetes, explain how it is deployed with Rancher, and show some of the advantages of using Kubernetes for distributed multi-tier applications. Read More…

Gord Sissons
Gord Sissons
event April 24, 2017
timer Read Time: 9 minutes

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