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VMware vSphere vCenter Server Appliance (VCSA for short) contains a series of services of Platform Service Controller. VMware Certificate Authority (VMCA) is an indispensable part of it. The authentication service of vCenter Server core includes the following three components: 1) VMCA, VMware certificate management service 2)VMAFD，VMware Aut ...

I. Basic Process of wechat payment Main interaction between merchant system and wechat payment system: Step 1: the user selects the goods in the merchant APP, submits the order and selects wechat payment. Step 2: the merchant receives the user payment form at the background and calls the unified order interface of wechat payment. See also ...

Gausdb 200 supports importing data in TEXT, CSV and FIXED formats that exist on the remote server into the cluster. This article introduces the use of GDS (Gauss Data Service) tools to import data from remote servers into GaussDB 200. The environment is as follows: 1. Prepare source data Here, from the PostgreSQL database, use the copy command ...

Difference between http and https https protocol needs to apply for certificate from ca, generally there are few free certificates, so it needs a certain fee. http is hypertext transmission protocol, information is plaintext transmission, and https is ssl encrypted transmission protocol with security. ...

Mongodb series Mongodb practice 1: initial (including installation) Practice 2 of Mongodb: Practice 3 of Mongodb Practice 4 of Mongodb Practice 5 of Mongodb Practice 6 of Mongodb Practice 7 of Mongodb Practice 8 of Mongodb Preface Mongodb actually wanted to write a tutorial as early as a year ago. Because of the busy work, I didn't really use ...

Article directory 1 http module 1.1 basic usage 1.1.1 module attributes 1.1.1.1 properties of HTTP request 1.1.2 module method 1.1.2.1 method of HTTP module 1.1.2.2 method of server instance 1.1.2.3 HTTP response method 1.1.3 processing GET requests 1.1.4 processing POST requests 1.2 request 1. ...

etcd Install etcd wget https://github.com/etcd-io/etcd/releases/download/v3.3.9/etcd-v3.3.9-linux-amd64.tar.gz tar -xvf etcd-v3.3.9-linux-amd64.tar.gz mv etcd-v3.3.9-linux-amd64/etcd* /usr/local/bin/ Create etcd startup file cat > /usr/lib/systemd/system/etcd.service << EOF [Unit] Description=Etcd Server After=network.target After=net ...

If you normally operate the database on the command line, it is highly recommended that you use the following command-line tools. mycli Mycli is a MySQL based command-line tool, which is directly installed by pip install mycli. For details, see https://github.com/dbcli/mycli $ mycli --help Usage: mycli [OPTIONS] [DATABASE] A MySQL terminal c ...

In the second chapter, three roles are deployed on the master, and then node nodes are deployed.Main deployment: kubelet Kube proxy I. environment preparation (the following operations are performed on the master) 1 create directory and copy two components mkdir /home/yx/kubernetes/{bin,cfg,ssl} -p # Both node nodes copy scp -r /home/yx/src/k ...

Explain:1. Only two topic s are synchronized this time, and subsequent optimization will continue to update...2. Self built cluster CDH5.8, kafka2.1.0; Alibaba cloud cluster Standard Version kafka0.10.xTrample:1. Add the CMM of kafka role instance in cdh, which should not support SSL connection.2. VPC network access. I don't know that the purc ...