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Several ways to create KVM virtual machine

2025-01-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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Shulou(Shulou.com)06/02 Report--

1 use the virt-install command

2 use the virt-manager tool

3 install using qemu-img and qemu-kvm command line

1 use the virt-install command

Virt-install\

-- n ame=guest1-rhel5-64\-- file=/var/lib/libvirt/images/guest1-rhel5-64.dsk\

-- file-size=8\

-- nonsparse-- graphics spice\

-- vcpus=2-- ram=2048\

-- location= http://example1.com/installation_tree/RHEL5.6-Serverx86_64/os\

-- network bridge=br0\

-- os-type=linux\

-- os-variant=rhel5.4

2 use the virt-manager tool

The xml definition file for the virtual machine created using VMM GUI is in the / etc/libvirt/qemu/ directory

3 install using qemu-img and qemu-kvm command line

(1) create an empty image file in qcow2 format

Qemu-img create-f qcow2 windows-master.qcow2 10G

(2) start a virtual machine, hang the system installation disk to cdrom, and install the operating system

Qemu-kvm-hda windows-master.qcow2-m 512-boot d-cdrom / home/user/isos/en_winxp_pro_with_sp2.iso

(3) now you have an image with the operating system. You can use it as a template to create a new image. The advantage of using a template is that it is set to read-only so it can be protected from destruction.

Qemu-img create-b windows-master.qcow2-f qcow2 windows-clone.qcow2

(4) you can start the virtual machine on the new image file.

Qemu-kvm-hda windows-clone.qcow2-M400

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