Meng New Linux Learning Path (14)--System virtual machine management

First, installation

#！ /bin/bash # #命令运行环境的指定

Virt-install \ # #安装虚拟机

--name \ # #虚拟机名称指定, which represents the first string of characters after the script

--ram \ # #内存

--FILE/VAR/LIB/LIBVIRT/IMAGES/$1.QCOW2 \ # #硬盘文件

--file-size 8 \ # #硬盘文件大小

==cdrom/iso/rhel-server-7.2-x86_64-dvd.iso & # #安装源指定

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Second, management

Virt-manager # #开启图形管理工具

Virt-viewer Vmname # #显示虚拟机, Vmname represents the virtual machine name

Virsh List # #列出正在运行的vm

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Virsh List--all # #列出所有vm

Virsh Start Vmname # #运行指定vm

Virsh Shutdown Vmname # #正常关闭指定vm

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Virsh Destroy Vmname # #强行结束指定vm

Virsh Create Vmname.xml # #临时恢复指定vm, Vmname represents the front-end management file

Virsh Define Vmname.xml # #永久恢复vm

Virsh undefine vmname # #删除vm前端管理, storage not deleted

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Three, virtual machine snapshot

Qemu-img create-f qcow2-b Vmname.qcow2 node1.qcow2

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To take a snapshot of a virtual machine using a script:

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Edit '. Sh ' format file gives executable permission

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Meng New Linux Learning Path (14)--System virtual machine management