1, Virtual machine type: Type 1 hardware directly installed HPType 2 hardware on the install host above run VMM2. KVM OverviewKVM does not count type 1 and is not type two. Both features, he is a kernel module of Linux, the kernel itself does not have HV, when loaded with KVM, the kernel will become HV. At this point the hardware driver does not have to rely on others, the kernel itself can use these driver
://www.ibm.com/developerworks/cn/linux/l-cn-libvirt-lvm/Introduction
Libvirt is a set of management tools that can interact with multiple virtual machines on Linux. It supports KVM/qemu, xen, lxc, openvz, virtual box, VMWare ESX/gsx, and hyper-v. Libvirt provides support for various storage media, including local file systems, network file systems, iSCSI, LVM, and other back-end storage systems. The LVM (Li
#创建yum源Rm-rf/etc/yum.repos.d/otherMkdir/etc/yum.repos.d/otherMv/etc/yum.repos.d/*.repo/etc/yum.repos.d/otherWget-o/etc/yum.repos.d/centos-base.repo Http://mirrors.aliyun.com/repo/Centos-6.repoYum Clean AllYum MakecacheRPM-IVH http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm#查看是英特尔的VT-X, or AMD's AMD-V technology#egrep-E "VMX|SVM"/proc/cpuinfo--color#安装命令qemu-KVM, the command used to create the virtual machineYum-y Install QEMU
Background: I recently worked on a virtual machine security project that uses KVM to support virtualization, involving code modifications for KVM and qemu. Because KVM can be loaded into the kernel as a module, You can compile the KVM module separately, instead of re-compiling the kernel each time (in view of the time
Enable Tv-x and amd-v virtualization support in VM virtual machines650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6F/5F/wKiom1WaNsjgxDDDAAKp9ICe1wY881.jpg "title=" 1.png " alt= "Wkiom1wansjgxdddaakp9ice1wy881.jpg"/>servers in a production environment BIOS Open Inter Virtual techmolony enabled650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/5C/wKioL1WaOKegGVyPAAESAIf5Cug653.jpg "title=" 2.png " alt= "Wkiol1waokeggvypaaesaif5cug653.jpg"/>
we use the Yum -source ap
Rotten mud: NFS is used for storage and KVM integration, and nfskvm Integration
This article was sponsored by Xiuyi linfeng and first launched in the dark world.
In previous articles about NFS, we introduced NFS mounting and so on. This article describes how to use NFS as storage.
Since the topic of this article is about NFS, we should first build the NFS server. For detailed construction process, refer to "mud: using NFS storage with VSphere.
We need
Another great link: http://leewings.cn/powerful-kvm.html
XXX: the document states that either an Intel CPU with VT (vmx) or an SVM (secure virtual machine, also known as a AMD-V) must be availableAmd cpu installation. I installed it on turion 64 X2. No problem.Detects whether AMD and Intel CPUs support VT or SVM. For details, refer to has_svm () and cpu_has_kvm_support () of KVM in the kernel ()Function.1. Ensure that the kernel version is 2.6.20 or
I. qemu physical memory Registration
Cpu_register_physical_memory calls cpu_policy_set_memory
Cpu_policy_set_memory call kvm_client_set_memory
Kvm_client_set_memory call kvm_set_phys_mem
Kvm_set_phys_mem call kvm_set_user_memory_region
Kvm_set_user_memory_region calls kvm_vm_ioctl to enter the kernel
The kernel calls kvm_vm_ioctl_set_memory_region and calls the _ kvm_set_memory_region function.
The following code is available in the _ kvm_set_memory_region function:
738 ____ slots-> memslots [me
Add a virtual disk to KVM
1. Add a virtual disk through the Virtual Machine manager in the graphic interface
2. Character interface:Add a qcow2[Root @ localhost ~] # Qemu-img create-f qcow2 Co., kvm-clone.qcow2 2GFormatting 'kvm-clone. qcow2 ', fmt = qcow2 size = 2147483648 encryption = off cluster_size = 65536
Add a disk to the configuration file:[Root @ localh
Install KVM in CentOS 7
KVM is short for Kernel Based Virtual Machine. It can use Virtual Hardware extension to provide virtualization software for multiple operating systems. KVM can be managed in two ways, one is command line, the other is a graphical interface.
Virt-Manager (Virtual Machine Manager) is the most frequently used management program based on
After working so long, I never wrote a logbook. Flash 5 years later, the feeling is still so flat light, or, there is a job I like.Last night to the computer room installed a KVM switch, not professional-grade, no power. Originally thought is a very simple matter, the practice discovery is actually very not simple. Or maybe I underestimated the whole process. List The problems encountered yesterday, and the corresponding solutions. First: The
After working so long, I never wrote a logbook. Flash 5 years later, the feeling is still so flat light, or, there is a job I like.Last night to the computer room installed a KVM switch, not professional-grade, no power. Originally thought is a very simple matter, the practice discovery is actually very not simple. Or maybe I underestimated the whole process. List The problems encountered yesterday, and the corresponding solutions. First: The
Set up a kvm vm in CentOS 6.3
Suddenly receiving requirements from the boss, we need to deploy KVM on the servers of the existing data center so that the internal network testing machine can reach the Internet for testing. To be honest, it is a headache because our hardware resources are too short (small companies ...), there is only GB of space left, so I have to run two virtual machines on top, and I have
Guide
Hello everyone, the theme of this Sholi sharing is kvmlibvirt basic concepts and development of the talk, the content of some messy loose, mainly based on their early collation of notes and practical sentiment, some content is inevitably biased, hope forgive me. First of all, we need to understand the basic knowledge, most of the content in the Sholi works have more detailed explanations, can read the reference.
KVM includes:1. K
To save costs, the company needs to migrate some of its services to the virtualization platform. Today, we have installed the virtual machine and take notes.
1. system installation on the Physical Machine (Hard Disk: 300 GB + 300 GB ):
Centos6.5 64-bit. If the desktop environment is not installed, the default running level is 3 partitions: /boot 128 mswap 8g/20g/data1 first hard disk space remaining/data2 second hard disk space used to minimize installation + The following software package: bas
Install the KVM Virtual Machine in CentOS 6
I. KVM Introduction
KVM is an open-source software. It is short for kernel-based virtual machine (kernel-based virtual machine). It is an open-source system virtualization module that is fully virtualized based on hardware, however, hardware support is required (such as Intel VT or amd v ). Linux 2.6.20 and later are in
Use KVM + Qemu to build a virtual machine in Ubuntu
Use KVM + Qemu to build a virtual machine in Ubuntu
1. Check whether the cpu is supported and output vmx. In the virtual machine, remember to check the IntelVT technology to the options
Grep vmx/proc/cpuinfo
2. Install kvm and qemu
Apt-get install kvm qemu libvirt-bin
Label: KVM centos
Centos6.3 install KVM
1. Install KVM1. You can choose to install KVM when installing centos6.3.2. If KVM is not installed, install it as follows:[Create a local Yum source]Mounting ISO filesMount-o loop-T iso9660 CentOS-6.3-x86_64-bin-DVD1.iso/mntSet local Yum SourceCreate the "any file name. Repo"
majors to study the operating system kernel. Developers can take full advantage of the Linux kernel has been implemented by the mature features, on the basis of the design, implementation of their own kernel modules, in order to expand the functionality of the kernel to meet their own requirements. KVM, for example, exists as a kernel module, adding virtualization functionality to the Linux kernel.
Basic model of X86 platform virtualization
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