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"OpenStack" OpenStack series 15 's OpenStack High availability

Highly Available Concept Level Chen Ben How to Achieve Classification The ha of OpenStack virtual machine ha compare application level ha,heat ha template component ha mysql ha Three ways-master-slave synchronization, Main and Standby mode three ways of two

OpenStack Cloud Computing Quick Start Tutorial (1) OpenStack and its composition introduction _openstack

This tutorial is based on the Ubuntu12.04 edition, and it will help readers build a openstack minimized installation. I am the top of the Wuyue, translation more use of transliteration method, so the individual words and the original discrepancy, please understand. I am not a major in English, I think the most important thing is to understand the technology, and not the four level and grind in the boring English-Chinese translation, so my goal is loya

Open Source PAAs scenario: Deploying Cloudfoundry on OpenStack (ii) deploying OpenStack

Hardware requirements Installing OpenStack 1 Installing the CentOS 65 system and emptying the Iptables firewall rules 2 The required toolkit for installing the system includes OpenStack-dependent and cloudfoundry-dependent 3 Installing Epel Repo 4 Upgrade Current system 5 Installing OpenStack Repo currently cloudfoundry can

OpenStack Learning Notes (i) basic knowledge of-openstack __openstack

first, the basic knowledge of OpenStackOpenStack is a free software and open source project that was developed and initiated by NASA and Rackspace to Apache2.0 licenses (compatible with GPLv3 and DFSG).OpenStack is an open source cloud computing management Platform project, composed of several major components to accomplish specific tasks. OpenStack supports almost all types of cloud environments, and the p

Openstack Object Storage Management Manual (1) about openstack

Openstack official website content: http://docs.openstack.org/grizzly/openstack-object-storage/admin/content/ Because I only focus on the part of openstack Object Storage, I did not write anything related to other modules (or I am relatively lazy). I may add it if necessary in the future. The translation level is limited. If a netizen finds an error during re

Learn the OpenStack methodology-5 minutes a day to play OpenStack __openstack

As a core tutorial for OpenStack, we have come to the final summary. OpenStack currently has dozens of modules, this tutorial discusses the most important core modules: Keystone,nova,glance,cinder and neutron. Please look at the following figure: This figure is truncated from https://www.openstack.org/software/project-navigator/, which is the official 6 Core Service defined by

Javascriptmvc tutorial-5. Start Using javascriptmvc-test cookbook

Javascriptmvc provides powerful support for testing. By using funcunit, you can easily create functions and unit tests that can run in a browser or automatically. In the previous lecture, we used the scaffolded command, and then the system helped you create a test script. Here we will do the following. Run the unit test. Understand unit testing. Run the function test. Measure the test taker's understanding about the function. Test the istasty function.   Run unit test Funcunit uses qunit

Teach you to read the OpenStack logs-5 minutes a day to play OpenStack (29)

The entire life cycle of instance from creation to deletion is managed by Nova. In the following sections, we take the different operational scenarios in the instance life cycle as an example to analyze in detail how the different Nova components work together and deepen your understanding of Nova through log analysis.Before we study Nova's operations, let's start by learning one important thing: the OpenStack logs.OpenStack's log records very detaile

Openstack-m version (Mitaka) built on (Centos7.2) + + + 10, OpenStack Object storage Service (SWIFT)

10. OpenStack Object Storage Service (SWIFT) configuration: I added two hard drives (SDB,SDC) to the compute node for storage, and the compute node in my build is the storage node, because the computer can't pull more virtual ... Brief introduction: There are four main components of Swift: Swift-proxy-server, Swift-account-server, Swift-container-server, Swift-object-server Swift-proxy-server (Proxy service): Externally provided object service API

OpenStack Universal Design Ideas-play 5 minutes a day OpenStack (25)

650) this.width=650; "Title=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160424-1461498453349065819.png "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160424-1461498585905023822.jpg "alt=" Image143.5.png "style=" border:0px; "/>API front-end servicesEach OpenStack component may contain several sub-services, which must have an API service that is responsible for receiving customer requests.In Nova, for example,

Use fuel to install OpenStack Juno two-Mount OpenStack

Well, we've already installed fuel master, and now we're ready to install OpenStack, so you can see the OpenStack main interface when the installation is complete.Continue yesterday, we went into the fuel UI and then "new OpenStack Environment" to create the OpenStack deployment environment.650) this.width=650; "src="

Vue.js Recipes (The cookbook of Vue)

IntroductionVue Cookbook vs. WizardsWhat is the difference between Vue's cookbook and the wizard? Why do you have to cookbook if you have a guide?1. A more exclusive explanation, in the wizard, we are actually telling a story, each part of the construction and presentation is derived from the previous module. But in cookbook

Openstack-kilo--issue (12) Openstack-keystone and httpd services occupy 35357 and 5000

= = Keystone Service = =OpenStack-keystone: inactiveAs shown above: If you start httpd, you will not be able to start the Openstack-keystone service very well, as you can see in the official documentation: the 35357 . By default, the Keystone service still listens on ports35357. Therefore, this guide disables the Keystone Service.This means that the httpd and

Enable DB2 setting OpenStack environment in OpenStack to support DB2

OpenStack is an excellent cloud operating system, and it is wise for developers, administrators, and operators to have the skills associated with them in their virtual toolkit. Efficient cloud requires an efficient database and can accept multiple databases. But what if you want IBM? DB2 for OpenStack, what should I do? OpenStack does not support DB2 by default.

Recently in learning OpenStack, we have learned about its role and architecture. Want to learn more about OpenStack components, for source code reading and learning, want to get everyone's advice?

Reply content: 1, language advice: Learn python. OpenStack is a pure Python project, so you have to be familiar with the syntax, debugging, and invocation of Python. Like what: PDB: Base use, breakpoint, call stack LOG: Call stack printing, function import parameter printing, bottom command printing Python open source frameworks, components: such as SQLAlchemy, Django Object-oriented: Clear abstraction, inheritance, polymorphism, comp

I have recently learned about the role and architecture of OpenStack. I want to further study the components of OpenStack and read and learn the source code. would you like to get your suggestions?

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply content: 1. language advice: learn python well. OpenStack is a pure python project, so you mu

Teach you to read the OpenStack logs-5 minutes a day to play OpenStack (29)

The entire life cycle of instance from creation to deletion is managed by Nova.In the following sections, we take the different operational scenarios in the instance life cycle as an example to analyze in detail how the different Nova components work together and deepen your understanding of Nova through log analysis.Before we study Nova's operations, let's start by learning one important thing: the OpenStack logs.OpenStack's log records very detailed

Teach you to read the OpenStack logs-5 minutes a day to play OpenStack (29)

650) this.width=650; "Title=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160503-1462278374898013082.png "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160503-1462278429940030293.jpg "style=" border:0px;float:none; "/>The entire life cycle of instance from creation to deletion is managed by Nova. In the following sections, we take the different operational scenarios in the instance life cycle as an example to analyze in detail how the different Nova compon

Javascriptmvc tutorial-6. Getting started with javascriptmvc-compression and docalization cookbook

  Compress cookbook When downloading many JS files, it will bring a lot of overhead. The server can use simple compression technology to link the files to a file.   Compression script   Use the following command to compress your program's Js script: C:\workspace\Cookbook>js cookbook\scripts\build.js My local running results: Then check whether there is a product

Build OpenStack Lab Environment-5 minutes a day to play OpenStack (16)

650) this.width=650; "title=" "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160403-1459686062320040176.jpg "style=" Border:none;color:rgb (51,51,51); font-family: ' Microsoft Yahei '; font-size:14px;line-height:26px; "/>Before learning about OpenStack services, let's build an experimental environment first.There is no doubt that OpenStack, which can see the touch and allow us to toss

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