RedHat, the world's leading open-source solution provider, recently announced the release of the 5.0 test version of the Red Hat Enterprise LinuxOpenStack platform. This product combines the strength of the Red Hat Enterprise Linux and Red Hat OpenStack technologies, it aims to provide a scalable and secure foundation for building an open private or public cloud. The combination of these two powerful technologies can help users in the early deployment
models of cloud computing including virtual and physical servers.
What have people done with cloud computing? Cloud computing can meet our needs for large-scale computing. The combination of virtual servers makes full use of existing hardware and releases the potential of old hardware. Cloud computing is also used for collaboration because cloud computing is highly available on computers connected by networks. Many industry-level packages such as c
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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
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OpenStack Mirroring Service (glance) is a set of virtual machine image lookup and retrieval systems. It can be configured in three forms: using the OpenStack object storage mechanism to store mirroring, storing information directly using Amazon's simple storage solution (S3), or combining S3 storage with object storage as S3 access connectors. The OpenStack mi
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
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
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
Iframe dynamically creates and releases memory, and iframe dynamically releases
Recently, I participated in the development of a project. Because the project is a browser-based fat client (RIA) application, iframe is frequently called on the page. Later tests showed that the browser memory remains high, and the larger the memory usage when the iframe page is opened, the more obvious it is in IE browsers. Ev
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
Comparison of five Linux releases, Linux releasesUbuntu
Whether you are a new user planning to get your first computer, or someone migrating from Windows or Mac OS X, Ubuntu shoshould be your first choice. it's extremely easy to install and manage; everything just works out of the box. there are hundreds and thousands of applications available for Ubuntu users, which makes it even more appealing. and the Ubuntu community is extremely friendly so if yo
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
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
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="
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,
= = 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
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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
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
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
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
After six months of Public Beta, unitedstack (Beijing) Technology Co., Ltd. (hereinafter referred to as unitedstack) has developed the openstack cloud service platform UOS 2.0 for commercial use recently. In the words of cheng hui, founder of unitedstack, UOS 2.0 is China's first cloud computing platform to officially provide operation services to external users based entirely on the openstack open standard
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