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This is the second chapter from the introduction to Docker: building SpringBoot microservices based on Docker. You'd better read it before Docker from entry to drop After that, read this article. In the previous article, I introduced how to deploy some common basic environments based on the docker container, such as MySQL and Redis. In this art ...

Preface The steps are the same as the previous installation of version 1.13 The difference lies in the configuration file of kubeadm init At present, kubeadm init with configuration file is in the beta stage, and has entered the V1 beta 2 version in version 1.15. Although the GA version is not yet available, kubeadm not only simplifies th ...

1. Introduction Posgres introduced a master-slave stream replication mechanism after 9.0. Stream replication refers to synchronizing the corresponding data from the master server through the tcp stream from the server.This allows backups to be made from the server when the primary server data is lost.Stream replication allows updates to be mai ...

order This paper mainly studies the nodes sniffer of elastic search NodesSniffer elasticsearch-7.0.1/client/sniffer/src/main/java/org/elasticsearch/client/sniff/NodesSniffer.java /** * Responsible for sniffing the http hosts */ public interface NodesSniffer { /** * Returns the sniffed Elasticsearch nodes. */ List<Node> ...

This is also the first time to install docker CE on red hat. I encountered some problems, so I recorded them. 1. Modify the redhat source to the YUM source of centos7 Query yum installation package rpm -qa | grep yum Uninstall the original yum installation package rpm -e yum-3.4.3-150.el7.noarch  --nodeps rpm -e yum-utils-1.1 ...

The steps to install Docker on CentOs7 are as follows: First, we need to check the version, because the installation of Docker kernel on linux must be above 3.0 uname -r Install docker yum install docker You will be prompted to enter y to continue during installation After installation, you can check the version of ...

#Analysis podFirst, let's start with the smallest dispatch unit, pod.There is currently a pod in my k8s cluster whose name is admin-mysql-1d29997-5db458497c-h6rrs [root@k8s-master ~]# kubectl get pod admin-mysql-1d29997-5db458497c-h6rrs NAME READY STATUS RESTARTS AGE admin-mysql-1d29997-5db458497c-h6rrs ...

What should I do when the previous manual operation of running nginx+php in multiple containers was cumbersome?Docker Compose follows Delete the containers and networks you created in the previous section first. If you do not, there will be conflicts when you complete this chapter docker stop nginx docker stop fpm docker network rm lnmp Take ...

Live broadcast at 21:00 p.m. on November 7, 2019. I. Kubernetes environment configuration https://github.com/easzlab/kubeaszhttps://github.com/opsnull/follow-me-install-kubernetes-cluster 2. Build BaseImage and service image through dockerfile Basic image construction of container service FROM harbor.qa.com.cn/public/centos:6.9 LABEL vendor=OC ...

Preface We are familiar with the bastion machine (springboard machine). In order to ensure the security of the server, we add a bastion machine. All ssh connections are completed through the bastion machine. The bastion machine also needs to have identity authentication, authorization, access control, audit and other functions. Jumpserver is t ...