openstack distributions

Http://zhangxw.gotoip1.com/ZCL/part2/C11g.htmTwo distributions of probability and multiple distributionsThis chapter uses the two-item distribution and the multi-item distribution formula in probability theory, and gives a brief explanation here.An event is bound to occur, saying that it is 100% to appear. 100%=1, so the meaning of 100% appears is the probability P= 1.That is, the probability of occurrence of the inevitable event is 1.

Tags: Linux distributionsSince Linus Torvalds created the Linux system, Linux has become a favorite among the world's top computer talent.Over the course of more than 20 years, there have been hundreds of distributions in Linux, and the sheer number of them has caused a series of problems, and even Linux research experts will have a headache with the intricate chronology of these distributions.The appearance of this figure benefited from the open sour

CRC32 ($key 2); $key 3 CRC32 ($key 3); $key 4 CRC32 ($key 4);Step 3. Map the Memcached group to the ring. Use the Hash function to process the IP address of the server into integers:$server 1 CRC32 (' 127.0.0.1 '); $server 2 CRC32 (' 192.168.186.129 '); $server 3 CRC32 (' 192.168.186.130 ');With the above steps, both the key and the server are mapped to the ring.Step 4. Map the data to the server., Key1 falls on server 3, key 4 and key 3 fall on server 2, and key 2 falls on server 1.Step 5. Rem

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

provide support for CentOS.　　SUSE Linux Enterprise ServerSuSE is a release from Germany that has been in use since 1992 and is a year or so older than red hat and Debian. Before being acquired by Novell in 2003, SuSE was considered a jewel in the crown of the Linux distribution, mainly due to its--yasp management and maintenance tools. Under the leadership of Novell, its reputation has fallen sharply, especially among supporters of open source, mainly because of the cooperation between Novell a

MirantisMirantis, a very cool OpenStack service integrator, is the only company in the top 5 community contributors to a meal by software and services (others are red Hat, HP, IBM, Rackspace). In contrast to several other community distributions, the fuel version is fast paced, providing a relatively stable community version on average every two months.What is Fuel?Fuel is a tool designed for

Mirantis Mirantis, a great OpenStack service integrator, is the only one of the top 5 community contributors to eat on software and services (others are red Hat, HP, IBM, Rackspace). Compared to several other community distributions, the fuel version is fast-paced and provides a relatively stable community version every two months. What is Fuel? Fuel is a tool designed for

You see nearly 300 Linux distributions listed on distrowatch.com, almost any release can be used as a server system, and in the early days of Linux, it was a "all-in-one" distribution for users, such as Slackware, Debian And Gentoo can do heavy work for homes and businesses as servers. That might be good for amateurs, but it's also a lot of unnecessary for professionals.First, there are some distributions t

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

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 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

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

Back in the 90 's, Mandrake Linux was the only Linux distribution, and today, the number of Linux distributions has become numerous. This article has compiled the ten widely used Linux distributions, hoping to help you to choose the right Linux distribution can be easier.Ad:51cto Net + 12th salon: The beauty of big data-how to drive user experience with data"May 13, 2013 51CTO Headlines" Linux is one of the

Original link: http://www.cnblogs.com/CloudMan6/p/6397360.html The instance of OpenStack is deployed through glance mirroring, so preparing mirroring is a must. This section describes how to make a Linux image, followed by a discussion of Windows mirroring. Download Clould Mirrors The easiest way to do this is to use standard mirrors. Mainstream Linux distributions provide cloud mirrors that can be used d

The reason for creating this web page is to help new Linux users choose the most appropriate operating system in a growing number of Linux distributions. It lists the 10 most popular Linux distributions to date (plus FreeBSD, the most popular BSD system so far), and is often considered the most widely recommended by Linux users around the world.No number can be fully counted there are many other

storage resources into APIs and provides to users. Companies running OpenStack environments require technical knowledge at multiple levels, such as the underlying system, the knowledge of network troubleshooting, and knowledge of software aspects, including Python proficiency. Although OpenStack has encapsulated the details of managing computing resources, these resources still need to be managed by people

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

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

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="

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.