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What do you know about openstack?

Many of our partners are confused about how to learn openstack. The main reasons for the analysis are as follows:1. I don't know what kind of operating system to deploy?Openstack is deployed in centos7 or later versions in the enterprise production environment. openstack does not support Windows systems. We also hope that you do not deploy the system on the wuban

OpenStack Swift's data consistency principle and consistency Hash principle Description (reprint)

Recently, when looking for a job, I was asked some principles of Swift's bottom, so I decided to take notes in order to be able to impress. The following is reproduced by (http://www.openstack.cn/?p=776) --Openstack Swift Open Source cloud storage technology Analysis The OpenStack Swift Open source project provides an elastic, scalable, highly available distribut

The Nova component in OpenStack _openstack

Open Stack Compute Infrastructure (Nova) Nova is the computational organization controller in the OpenStack cloud. All activities that support an instance (instances) lifecycle in the OpenStack cloud are handled by the Nova. This makes Nova a platform for managing computing resources, networks, certifications, and scalability requirements. However, the Nova itself does not provide any virtualization capabi

OpenStack Glance upload image

OpenStack Glance upload image Glance is a sub-project that provides mirroring services in OpenStack, this article mainly describes the process of uploading images glance.The Glance service consists of two services Glance-api and Glance-registry.The GLANCE-API is responsible for receiving and processing requests and storing the mirrors.Glance-registry is responsible for saving the meta-information of the im

One-click installation of OpenStack in CentOS

I have recently read about Openstack and have been trying to install it. However, I have referenced a lot of information, which is not satisfactory. Since CentOS has been used for Linux, most Openstack installation is required on Ubuntu. I don't know why. I don't like Ubuntu. Maybe I think it's too fancy, and I always want to update something. Find a website outside China at http://openstack.redhat.com/main

OpenStack practice: installation and configuration

BKJIA exclusive Article] OpenStack is a set of platform software used to manage virtual machines. Instead of a single software, it integrates many components for collaboration. Simply put, for example, there are ten servers. In the case of VMware, we install esx or esxi on each server, and then install a vcenter, in the vcenter management interface, you can add the esx of ten servers to the vcenter by adding domain names or ip addresses. Similarly, Re

Openstack Resize and cold migration code parsing and Improvement

Original article: http://www.hengtianyun.com/download-show-id-79.html The resize (upgrade) function of openstack allows us to change the number of CPU cores, memory, and disk size of the Virtual Machine. Of course, the virtual machine can only be upgraded up and cannot be downgraded down. By analyzing the source code, we found that the resize process is actually a cold migration process, and the resize multi-transmits a flavor parameter. The following

Create an RHEL7 system image for OpenStack

Create the RHEL7 system image used by OpenStack, set the image, and install XRDP for remote access. 1. install the RHEL7.2 client in KVM; 2. set the NIC to dhcp and onboot = yes so that the virtual machine can automatically obtain the IP address; vim/etc/sysconfig/network-scripts/ifcfg-eth0 to ensure that the network can be connected. 3. View SELinux status:/usr/sbin/sestatu Create the RHEL7 system image used by O

OpenStack Growth Tour-Introduction and installation of 4 Keystone

Start speaking today about installing the components in OpenStack, then install it from Keystone, a secure authentication service, and, of course, there are some preparations to make before installing.First of all, what is the next keystone to do?In fact, in the early morning OpenStack is not keystone This component, some security authentication for example, user, message, API call authentication, etc. are

OpenStack Installation Notes

Lift the installation of OpenStack, the whole people feel bad, for nearly a week time also failed to fix Redhat, CentOS 6.5 system installation, finally changed to CentOS7.0 last installation success. In order to later less detours, write down their own dull footsteps.The first time you install OpenStack, the server you get is a Redhat6.5 system with a CentOS6.5 system disc in hand. Developers are very lazy

Network card settings for OpenStack

The first contact with OpenStack, this piece is more headache, different documents, settings will vary, and can work, in the end which is correct? I'm afraid it's hard to come to a conclusion, here is a summary, the day sent to the mailing list for advice.The following settings, the final result, is that there is a network card into bridge, I understand bridge, is a switch, the virtual machine on the above can communicate with each other.The following

Installation of the OpenStack L version of the basic environment

OpenStack is in full swing, now the Liberty version has been released, the following step-by-step step-by-Step Introduction to this version of the stand-alone deployment. Of course, if you have multiple servers, you can also follow the tutorial for distributed deployments. This article assumes that the reader has a basic understanding of OpenStack architecture and basic components. First, introduce the inst

OpenStack Queens first section

system: Centos7 x86_64 Controller 2c+6g+40g 192.168.147.50 can nat internetCompute 1c+4g+40g 192.168.147.60 can be NAT internetNeutron 1c+2g+20g 192.168.147.70 can nat Internet off SELinux: sudo setenforce 0 sudo sed-i '/selinux/s/enforcing/disabled/'/etc/selinux/config sestatus shut down the mission firewall Systemctl Stop firewalld.service systemctl disable Firewalld.service configuration hostname: Vim/etc/hosts 192.168.72.50 openstack-contr

Oracle VM + centos7.1+openstack kilo Multi-node installation tutorial---Neutron installation (3)

Label: Disclaimer: The recent installation of the kilo version of OpenStack found that there were very few existing web tutorials and that most of the tutorials did not install successfully, So write this tutorial. The installation of OpenStack is complex, and this tutorial does not guarantee that it will be installed successfully in different environments. Personal installation tutorials are also prone

Ubuntu openStack Icehouse Dashboard Theme Custom

1,ubuntu OpenStack Language Pack Locate2,/usr/share/openstack-dashboard-ubuntu-theme/static/ubuntu/img/favicon-ubuntu.ico (ico icon)3,find/usr/share-type F | Xargs grep-l "site_branding" (title)/usr/share/openstack-dashboard/openstack_dashboard/settings.py4, Login and top log icon5, website customer Custom Dashboard Theme DocumentHttp://docs.openstack.org/admin-g

Merry Christmas-A tribute to Google-a tribute to Linux-tribute to StackOverflow-a tribute to OpenStack-never retreat

Openstack can not delete instance from dashboard Up vote1 down vote favorite There is instances in Openstack Havana. I think these instances is zombies instance. Dashboard displays when Terminate Success info I click Terminate Instance . But the instance still exists in dashboard and its status is Running . I have already kill all program on qemu-kvm server.In Mysql, database nova remains a

OpenStack Billing Service Cloudkitty analysis (i) __openstack

We all know that cloud computing is a pay-as-you-go service model, the component of the billing service in OpenStack is Cloudkitty, and I am delighted to be able to communicate with you this evening to discuss OpenStack billing service--cloudkitty. When it comes to billing, we have to say that OpenStack's metering services, although the early in the measurement services have gone some "detour", but now cei

Packstack–answer-file deployment of multi-node OpenStack environments-two-node

4.1 CentOS Environment PreparationGoal: Modify Answer-file, place controller+network on one node, compute-storage on another node, deploy a two-node environment using Packstack Hostname Ip Floating IP Function Lxp-node1 192.168.11.8 10.33.41.135 Controller+network Lxp-node2 192.168.11.9 10.33.41.136 Compute+storage Added in/etc/hosts:192.168.11.8 Lxp-node1192.168.11.9 Lxp-node2

Cenntos6.3 Installing OpenStack

Node System Ip Service Control node Centos6.3 192.168.2.118 Mysql First, configure the control node1. Configuring the Identity Service"Install MySQL service"[[Email protected] ~] #yum-y install MySQL mysql-server//install MySQL Database[[email prote

Deploy Devstack-5 minutes a day to play OpenStack (17)

This section deploys the Devstack lab environment, including control nodes and compute nodes, as follows:Create a virtual machineCreate Devstack-controller and Devstak-compute virtual machines according to physical resource requirementsInstalling the operating systemInstall Ubuntu 14.04, and configure eth0 IP devstack-controller 192.168.104.10 devstak-compute 192.168.104.11download CodeDownload the Devstack code and switch to the Stable/liberty branch Apt-get Install Git-ygit clone http

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