Use KVM + Qemu to build a virtual machine in Ubuntu

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 restart inst virt-manager virt-viewer

3. Check whether kvm is successfully installed.

Virsh-c qemu: // system list

4. Run the qemu-img command to create a virtual disk.

Qemu-img create-f qcow2 ubuntu. img 10G

5. Install the system

-Qemu-system-x86_64-hda/opt/kvm/ubuntu1204.img

-Cdrom/opt/kvm/ubuntu-12.04-server-amd64.iso-boot d-m 1024

6. Start the virtual machine. In fact, you can download ubuntu to img, so you don't have to reinstall the device. Ubuntu has made a lot of efforts in cloud computing.

Qemu-system-x86_64 ubuntu. img-m 1024

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