#What is kubernetes how to
If you want to learn more about volumes and Kubernetes storage, make sure to check out our next article: How to Choose the Best Kubernetes Storage? Nodes A solution to this is the usage of volumes and persistent volumes. Given that Pods are ephemeral, you can lose files when a container fails, or you might encounter issues when trying to share files among containers working on the same Pod. When a Pod fails, Kubernetes can replicate that Pod without interrupting the workflow. Similarly, if a machine is removed, the DaemonSet ensures that the pods associated with that machine are also destroyed.Ī Pod’s characteristic worth noting is that Pods are ephemeral, meaning they have a short lifetime. As you add machines to your cluster, Pods are added to those machines.
Kubernetes uses a DaemonSet to ensure that all or some of your machines run a copy of a Pod. However, you can have replicas of the same Pod in different machines. Pods are tied to the machines where they are created and remain there until they are destroyed. Pods can request computation resources and memory, depending on the task that it needs to get done. In other words, Kubernetes uses Pods to manage and interact with containers. This means that a Pod can run a single container, but it can also run several ones that need to work together. To understand a little more about Kubernetes and what a Kubernetes cluster is, we will review some of the components that make up a cluster.Ī Pod is a computing unit that can host one or more containers that can share resources such as storage and network. This cluster is a combination of several components that work together to successfully run your containerized applications. With a Kubernetes deployment, you get a Kubernetes Cluster. In other words, Kubernetes ensures that your applications always work as expected. In addition, Kubernetes can dynamically scale if you need to scale up or down your application based on demand, Kubernetes helps with that as well. Also, if containers fail or malfunction, Kubernetes can replace them. Container management if your containers need to be managed, i.e., need to be activated, suspended, or just shut down, Kubernetes takes care of it. Some of the important Kubernetes features are automatic load balancing, so you do not have to worry about servers being flooded. Kubernetes was initially developed at Google but was open-sourced in 2014 when passed on to the Cloud Native Computing Foundation (CNCF). This means that Kubernetes can help you automatically manage, scale, and deploy your containerized applications.
Kubernetes, also known as k8s, is an open-source container orchestration system that allows you to automatically manage containerized workloads and services. Although there are several container orchestrators, one of the most popular is Kubernetes. To be more specific, you need a container orchestrator that will automate the tasks required to successfully run your containerized applications. With that said, if you need an introduction to containers, we recommend that you go over our previous article: What Are Containers? An Introduction to Containerization.Īs we previously discussed in the article mentioned above, when you are trying to manage a containerized deployment, you will need a platform to manage containers efficiently. To better understand what Kubernetes is and why it is so important, it is recommended that you have some knowledge about containers.