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This paper introduces how to deploy Kubernetes 1.17.4 cluster using kubeadm on ubuntu 18.04 64 bit dual core CPU virtual machine. The network plug-in is flannel v0.11.0, and the image source is alicloud 1, Install docker apt-get install docker.io Execute the following command to create a new / etc/ ...

A new feature introduced in Hyperledger Fabric 2.0 is the ability to use external chain code launchers, which are ideal for using kubenetes or dowcker swarm to manage node and chain code containers in a unified manner.In this article, we will learn how to deploy chain codes in a K8s cluster using an external chain code launcher. 1. Prerequisite ...

Reference QianFeng Li Weimin brief introduction Kubernetes, created and managed by Google in 2014, is an open source version of Borg, Google's 10-year-old large-scale container management technology.Is a container cluster management system, is an open source platform, can achieve automatic deployment ...

This activity is held on WeChat official account (my small bowl soup), and there is book delivery activity. You can't take part in the book delivery activity if you take part in the question answering here! Pick up another article. Prepare for CKA daily question - day 1 Yesterday's examination questions Which of the following Daemonset yaml i ...

This activity is held on WeChat official account (my small bowl soup), and there is book delivery activity. You can't take part in the book delivery activity if you take part in the question answering here! Yesterday's examination questions Create a deployment with a single command and expose the Service. The deployment and Service names are ...

Extras: Why did you insist on using k8s to realize the existing business? There is a strong impetus that the original virtual deployment of elastic cluster can no longer adapt to the expansion of business scale. It is nightmarish to set up large-scale elastic cluster on virtual machine. Therefore, we are determined to deploy in a container way ...

In the previous section, we talked about the network namespace of linux, created the veth, and then made the network of the two network namespaces interoperate. After the docker creates the container, it will be found that the external network can be accessed in the container, and the network between th ...

Using virtual nodes to improve k8s cluster capacity and flexibility The way of adding virtual nodes in kubernetes cluster has been widely used by many customers. Based on virtual nodes, the Pod capacity and flexibility of the cluster can be greatly improved, and ECI Pod can be created flexibly and dynamically on demand, avoiding the trouble ...

In robotic technology and automation, the control ring is an endless loop of control system state This is an example of a control ring:'Automatic temperature regulator in a room'When you set the temperature and tell the thermostat your "expected state", the actual temperature of the room is "current state".By switching th ...

Yesterday's examination questions Set configuration context $ kubectl config use-context wk8s configure the kubelet systemed managed service, on the node labelled with name=wk8s-node-1,to launch a pod containing a single container of image nginx named myservice automatically. Any spec file requried should be placed in the /etc/kuberneteds/mai ...