kubernetes certification

Kubernetes Important Concept UnderstandingKubernetes is currently the most mainstream container orchestration tool, the next generation of distributed architecture of the king. 2018 Kubernetes The first version 1.10 has been released. Here's a look at some of the basic concepts of kubernetes.The kubernetes divides the machines in the cluster into master nodes and

Operational environment readiness and related software requirements1. Production-grade Kubernetes cluster recommended 1.8 or later2.Gitlab Docker Image Slpcat/gitlab-ce3.Jenkins Docker ImageJenkins master image Slpcat/kube-jenkins-service has been installed with various plugins required, preconfigured with Kubernetes management Jenkins slave Jenkins slave image slpcat/kube- Jenkins-dind-agentSupport for JNL

/flanneld.service[Unit]Description=flanneld Overlay Address ETCD AgentAfter=network.targetAfter=network-online.targetWants=network-online.targetBefore=docker.service[Service]Type=notifyEnvironmentfile=/etc/sysconfig/flanneldExecstart=/usr/bin/flanneld $FLANNEL _optionsExecstartpost=/usr/bin/mk-docker-opts.sh-k docker_network_options-d/run/flannel/subnet.envRestart=on-failure[Install]Wantedby=multi-user.targetRequiredby=docker.service5) Configure Docker to start the specified subnet segment (diff

Author: Peng Jingtian The node nodes of Kubernetes are composed of Kubelet, Kube-proxy, flannel, dockerd four components, this paper mainly analyzes the functions and principles of kube-proxy components. Pod is the smallest unit of resource allocation in kubernetes and the smallest entity to perform tasks. Each pod has a separate IP on the flannel overlay network. Pod Communication in node nodes is impleme

As we all know, there are many college graduates in China who need employment every year. However, most college students in China are more likely to use their skills,Oracle WDPThe project can lay a skill Foundation and store for this part of the crowd, skill ready), through the Oracle WDP for about three months of certification Skills Cultivation and learning, to allow this part of the flow of people to quickly grasp the most popular enterprise needsO

SunJava technology certification is popular all over the world-general Linux technology-Linux programming and kernel information. The following is a detailed description. As we all know, Java has swept the world with its unique openness, cross-platform and network-oriented interactivity. With its security, ease of use, and short development cycle, it quickly evolved from the initial programming language to the world's second largest software developme

1. PrefaceKubernetes designed a special network model that deviates from the native Docker network model. In this design, Kubernetes defines an abstract concept: pods, each pod is a collection of containers, and there is a shared IP, and all containers share the same network namespace. Pods can communicate not only with physical machines, but also between containers across the network. Kubernetes's ip-per-pod design idea has many benefits, such as: Fr

isolation, 2015.03.13, http://www.sel.zju.edu.cn/?p=556Kernel knowledge behind Docker--cgroups resource limitations, 2015.04.22, http://www.sel.zju.edu.cn/?p=573Container management behind Docker--libcontainer depth analysis, 2015.06.03, http://www.sel.zju.edu.cn/?p=577Play Docker Mirror, 2014.12.16, http://www.sel.zju.edu.cn/?p=296In-depth understanding of ETCD technology sharing ppt, 2015.01.20, http://www.sel.zju.edu.cn/?p=467ETCD: From the application scenario to the realization principle o

Kubernetes 1.9 clusters use traefik to publish services This section describes how to use traefik to publish services in the kubernetes 1.5.2 cluster environment. Traefik is deployed in the daemonset mode. The http protocol is used to connect to the api-server, and rbac is not configured. This article describes how to deploy traefik in k8s 1.9 using deployment for service release. Before starting, You Need

This article transferred from: http://blog.csdn.net/xingwangc2014/article/details/51204224Kubernetes through the kube-apiserver as the entire cluster management portal. Apiserver is the primary management node for the entire cluster, where the user configures and organizes the cluster through Apiserver, while the interactions between the nodes in the cluster and the ETCD store interact with the Apiserver. Apiserver implements a set of Restfull interfaces that allow users to interact directly wit

Brief Description:This article covers 3 Ubuntu machines, 1 Rke deployment Machines (192.168.3.161), 2 kubernetes cluster machines (3.162 and 3.163).On the Windows machine, download the rke_linux-amd64 from GitHub, rename it to Rke, edit the cluster.yml cluster deployment file, and upload the file to the 3.161 machine using the PSCP command provided by Putty. On the 3.161 machine, execute the rke command to deploy the cluster to the 3.162 and 3.163 mac

Brief description:This article covers 3 Ubuntu machines, 1 Rke deployment Machines (192.168.3.161), 2 kubernetes cluster machines (3.162 and 3.163).On the Windows machine, download the rke_linux-amd64 from GitHub, rename it to Rke, edit the cluster.yml cluster deployment file, and upload the file to the 3.161 machine using the PSCP command provided by Putty. On the 3.161 machine, execute the rke command to deploy the cluster to the 3.162 and 3.163 mac

Kubernetes using NFS as a shared storageKubernetes managed containers are encapsulated, and sometimes we need to put logs from the container running locally or shared storage to prevent the container from going down, and the logs can also analyze the problem. Kubernetes's shared storage scheme is currently more prevalent in three, namely: Nfs,glusterfs and Ceph.Previously wrote an article kubernetes use Glu

kubernetes clinet-go Development (I.) Kubernetes currently provides two ways to create the required pod,service,replicationcontroller, one is through Kubectl create-f, a restful interface via HTTP, because of the work item's reason, Need to be customized according to the actual business needs of the development of K8s API, I used the library is the official, code base address: Https://github.com/