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Use Kubernetes step by stepWhy Docker and Kubernetes? Containers allow us to build, publish, and run distributed applications. They free applications from machine restrictions and allow us to create a complex application in a certain way. Writing applications using containers can bring development and QA closer to the production environment (if you try to do so ). By doing so, you can publish changes faster
--dport 2380-m State--state new-j ACCEPTTurn off selinux#setenforce 0[Email protected] ~]# sed-i '/^selinux=/c selinux=disabled '/etc/selinux/config2 , installation ETCDgit address:https://github.com/coreos/etcd/releases/ETCD Chinese Document:http://etcd.doczh.cn/documentation/Download the installation package:https://github.com/coreos/etcd/releases/download/v3.3.8/etcd-v3.3.8-linux-amd64.tar.gz#tar-ZXVF e
Note: The following operations are based on the CENTOS7 system.Installing AnsibleAnsilbe can be installed via Yum or Pip, and because Kubernetes-ansible uses the password, it needs to be installed Sshpass:pip install ansiblewget http://sourceforge.net/projects/sshpass/files/latest/downloadtar zxvf downloadcd sshpass-1.05./configure make make installConfigure Kubernetes-ansible# git clone https://github.co
The Cluster Lifecycle layer adds self-hosted functionality to Kubeadm, which means that Kubernetes can be run on Kubernetes, which is bootstrap. Bootstrap is considered to be a system of "elegance" of a embodiment, in fact, Kubernetes in the early attempt to bootstrap, now Kubeadm directly add this feature, is undoubtedly a step closer. In addition, the KUBEADM c
Wen/Sky Cloud software Cloud Platform development engineer Zhang Wei Zhang Wei is mainly responsible for the cloud software Skyform Cloud Platform design and development work. Familiar with a variety of open source IaaS platform, such as Cloudstack,openstack, familiar with various resource management and scheduling framework, such as kubernetes,mesos,yarn,borg. After six months of continuous optimization, Kuberne
Heapster is a container cluster monitoring and performance analysis tool that naturally supports kubernetes and CoreOS.Kubernetes has a well-known surveillance agent-cadvisor. The cadvisor is run on each kubernetes node, and it collects monitoring data (cpu,memory,filesystem,network,uptime) for both native and container.In the newer version, K8S has integrated the Cadvisor functionality into the Kubelet com
swarm1Execute on Node2:kubeadm reset Add a problem with node#Minion node has been in Notready state, such as:kubectl get nodesNAME STATUS ROLES AGE VERSIONswarm1 NotReady #原因(1) Start Kubelet, will pull the following two mirrors (gcr.io/**), because the celestial network generally can not turn the wall, can not pull successfully, so you have to find the two Docker image. Click images to download it yourself!k8s.gcr.io/kube-p
; "class=" Alignnone size-full wp-image-1742 "src=" https://www.kubernetes.org.cn/img/2017/03/ 20170314213441.jpg "alt=" 20170314213441 "width=" 620 "height=" 326 "/>Second, Harbor Mirror synchronization Why mirror synchronization is requiredSince access to the mirror is a core container concept, a mirrored library may not be sufficient in practice, and in the following cases we may need to deploy multiple mirrored warehouses: Foreign Public image d
Before installation, the three CENTOS7 servers are banned from the firewall, and the mirror that needs to be started 2 node machines must be kept consistent, otherwise the pod will not start1 has three CENTOS7 servers: 10.1.1.170 (Master), 10.1.1.169 node1,10.1.1.171 Node22 Install NTP service on three machines to ensure all time can be synchronized#yum-y Install NTP#systemctl Start NTPD#systemctl Enable NTPD3 Installing Kubernetes Master on 10.1.1.17
1. Unpack the package[[emailprotected] ~]# cd/usr/local/src/[[emailprotected] src]# lsk8s-v1.10.1-manual.zip[[email Protected] src]# unzip k8s-v1.10.1-manual.zip[[emailprotected] src]# CD k8s-v1.10.1-manual[[email Protected] k8s-v1.10.1-manual]# CD k8s-v1.10.1/[[emailprotected] k8s-v1.10.1]# MV */usr/local/src/[[email protected] k8s-v1.10.1]# cd/usr/local/src/[[emailprotected] src]# lltotal 1178908-rw-r--r--1 root root 6595195 Mar cfssl-certinfo_linux-amd64-rw-r--r--1 root root 2277873 Mar cfssl
life cycle management isThere are two main categories: package-based, image-based Based on packagePXE is typically used with configuration tools such as Puppet, Chef, and Ansilbe. The package-based approach is inefficient for the following reasons: Differences in operating system and physical nodes Conflict between services during fabric (ports, file system, etc.) Installation speed (when large-scale deployments are installed through a network
.centos.x86_64.rpm oci-systemd-hook-1.10.3-44.el7.centos.x86_64.rpmdocker-common-1.10.3-44.el7.centos.x86_64.rpm yajl-2.0.4-4.el7.x86_64.rpmdocker-forward-journald-1.10.3-44.el7.centos.x86_64.rpmThe installation of ETCD and flannel is relatively simple and has no dependencies. Docker installation because of dependencies, you need to install Docker's dependency package before the installation succeeds. This is not the focus of this article, do not repeat.On all four machines, Etcd,docker must be
:10.222.0.100 Ports:-Name:dns port:53 Protocol:udp-name:dns-tcp port:53 protocol:tcpExecute this YAML file:kubectl create -f coredns.yamlTo view file status:[[emailprotected] ~]# kubectl get pods -n kube-systemNAME READY STATUS RESTARTS AGEcoredns-77c989547b-2rg9h 1/1 Running 0 1hcoredns-77c989547b-cbj5h 1/1 Running 0 1h[[emailprotected] ~]# kubectl get rs -n kube-systemNAME
mountpath:/logs volumes: -name:app-logs Emptudir : {} View Log kubectl logs 5. Configuration management of Pod The Kubernetes v1.2 version provides a unified cluster configuration management solution –configmap. 5.1. Configmap: Configuration management for container applications Usage Scenario: Live as an environment variable within a container. Set startup parameters for the container startup command (set to environment variable). Mou
installation scriptImportant: Pull the installation script in the "~/" directory where the account is running .# 安装或升级gityum install git -y# 拉取安装脚本,注意脚本的保存目录cd ~git clone https://github.com/Netonline2016/k8s-ansible.git4. Download the installation packageIn order to avoid the installation process, the network download installation package time-out or wait too long, dow
# # # System Environment Readiness (CentOS 7.2):A) # Systemctl disable FIREWALLDb) # sed-i s '/selinux=enforcing/selinux=disabled/g '/etc/sysconfig/selinuxc) # yum-y update rebootd) # yum-y install ntpdate ntpdate cn.pool.ntp.orgmaster:192.168.11.10node1:192.168.11.20node2:192.168.11.30Download the installation:Etct:https://github.com/coreos/etcd/releasesFlannel:https://github.com/coreos/flannel/releasesKubernetes:https://github.com/kubernetes/
1: Install VirtualBox, and download Centos-7-x86_64-dvd-1708.iso, install CENTOS7, the specific process can be Baidu.2: Start the CentOS ssh with the following steps:(1) Yum List installed | grep openssh-server See if SSH is already installed and if not installed, enter yum install Openssh-server(2) Vim/etc/ssh/sshd_config,Open the listening port and listening address:Allow remote logins:Turn on use user name password to authenticate as connection(3)
What is the difference between Apache's Mesos and Google's kubernetes? This article comes from a question on the StackOverflow, mainly discusses the difference between Mesos and kubernetes, I believe many of us also have the question of agreeing. Kubernetes's developer Craig answered the question, while Masi also made an overview, not necessarily for the reader's reference.
Ext.: http://dockone.io/article/950OverviewThis article is mainly about how to install Kubernetes on the Ubuntu system, there are many related articles on the network, the feeling is not very clear, here I will own installation practice to provide you with a guide, easy to build kubernetes environment, rapid development.Installation Preparation1 Installing DockerCurl-s https://get.docker.io/ubuntu/| sudo sh
Planning Nodes Install ubuntu 14.04 LTS Prepare password-less SSH login Establish Ssh-key certificate, switch to root account, use command ssh-keygen-t RSAGenerating public/private RSA key pair.Enter file in which to save the key (/ROOT/.SSH/ID_RSA):Enter passphrase (empty for no passphrase):Enter same Passphrase again:Your identification has been saved In/root/.ssh/id_rsa.Your public key has been saved in/root/.ssh/id_rsa.pub. Distribute Id_rsa.pub to authorized_keys inside The root directory
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