Detailed procedures for installing a KVM virtual machine after reloading Linux

Reference: Http://wenku.baidu.com/link?url=xAObzE8XuDfGJsCDk6vAnVnp91glt_bgvK6saMC4WS2BX7_ Du54ovido0uth0ipekovsfsuqsas62ruunvfvokgl5p6k3omznnmomgaposs

Summarize:
1.KVM kernel Modules
2.QEMU virtualization software: In user space, the CPU of virtual power can be on x86
3.QEMU-KVM: The user space tool that can control the kernel module, the user cannot go directly to the KVM inside the kernel, so rely on this QEMU-KVM tool, can create and manage the virtual machine
4.virt-manager: Libvirt-based graphical session virtual machine management software
5.libvirt: API that provides multiple language interfaces, not only supports KVM but also supports Xen
6.virsh: Use Virt-manager disadvantage is graphical management, waste memory resources, unsafe, so try to use Virsh to manage


System Requirements:
Processor requirements: Requires one by one Intel processors (including VT virtualization) or AMD processors (including SVM-safe virtual machine technology) that can run the Linux kernel

[Email protected] ~]# egrep "(VMX|SVM)" Color=always/proc/cpuinfo
If the output contains VMX, he is the hallmark of Intel processor virtual machine technology;
If the result contains SVM, he is the hallmark of AMD processor virtual machine technology;
If there is nothing, then your system does not support virtualization processing, can not use KVM;
In addition, the Linux discovery version must be in a 64-bit environment to use KVM

2. Installing the Software
KVM Module, management tool Virt-manager,libvirt (a tool that can be used to see virtual machines)

[email protected] ~]# Yum install-y KVM Virt-manager libvirt

[Email protected] ~]#/sbin/service LIBVIRTD start
Starting LIBVIRTD daemon: [OK]

3. Determine the correct loading of the KVM module

Run Command Lsmod | grep KVM checks that the KVM module is installed successfully. If the result is similar to the following output, then the KVM module has been successfully installed:

# Lsmod | grep KVM

KVM_AMD 69416 1

KVM 226208 2 KSM,KVM_AMD

4 Check if KVM is installed successfully

Virsh-c Qemu:///system List

5.
[email protected] desktop]# Yum install-y qemu\*

6.
[Email protected] desktop]#/ETC/INIT.D/LIBVIRTD restart

This article from "8176010" blog, declined reprint!

Detailed procedures for installing a KVM virtual machine after reloading Linux