Deploying a KVM Virtualization platform

Brief introduction

KVM is a shorthand for kernel Virtual machine, and currently Red Hat only supports running KVM on 64-bit RHEL5.4 and above, while hardware needs to support VT technology. KVM, formerly known as Qemu,2008, was acquired by Red Hat and acquired a hypervisor technology, but Red Hat's KVM is considered to be the mainstream of future Linux hypervisor, and to be precise, KVM is just a module of the Linux kernel. Managing and creating a complete KVM virtual machine requires more assistive tools.

Case: Building a KVM Virtualization platform

First, case analysis

1. Case overview

Part of the company Linux Server utilization is not high, in order to make full use of these Linux servers, you can deploy KVM to run multiple business systems on the physical machine. For example, deploy KVM on a server that is running Nginx, and then run Tomcat on a virtual machine

2, case pre-knowledge points

KVM has been integrated directly into the Linux kernel since Linux 2.6.20, and it relies on CPU and virtualization instruction sets (such as INTER-VT, amd-v) for high-performance virtualization support. Good performance, security, compatibility and stability due to high integration with the Linux kernel

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A simple description of the KVM virtualization architecture shows that each virtualized operating system running in a KVM environment will behave as a single, separate system process. As a result, it is easy to integrate (SElinux) with the security modules in the Linux system, allowing for the flexibility to manage and distribute resources

3. Case Environment

Use CentOS 6.5 x86_64 to turn on CPU virtualization support

II. implementation of the case

1. Installation method

(1) The simplest installation method is to install the system, select the desktop installation, and then select the Virtualization option

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Install desktop

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Installing the Virtualization Platform

(2) Install the required software for KVM on the basis of existing systems

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Deploying a KVM Virtualization platform