Linux can install a virtual machine. Virtual machine software can be installed in Linux systems, such as VMWare, VirtualBox, KVM, etc. You can install a virtual machine system with one of these virtual machine software. However, the system that can be virtualized is limited by the virtual machine software, but Windows XP Generally they are supported.
#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.
In Linux systems, you can install virtual machine software, such as VMWare, VirtualBox, KVM, etc. You can install a virtual machine system (probably the virtual machine you are talking about) with one of these virtual machine software. Meaning), of course the system that can be virtualized is limited by the virtual machine software, but Windows XP is generally supported.
Install the virtual machine in the linux system
1. Install the virtual machine through the graphical interface
(1) Open the virtual machine manager through the virt-manager command on the real machine. This experiment uses the image installation method
(2) Browse the directory and find the downloaded image file
(3) Select memory and cpu size
(4) Select the disk size
(5) Modify the name and user settings before installing
Allow the disk and network card After changing to the virtual option Virtio, start the installation
(6) Select the first option and press Enter to install
(7) Configure the virtual machine
During the installation process, the default English is not to change the language
Select the time zone as Shanghai
Select the graphical interface installation
Manually configure the virtual machine partition
Set the memory size of /boot to 200M, the memory of swap to 500M, and the memory of / directly to the remaining memory
(8) Set the super user password and install directly. After installation, click reboot
(9) Agree to the usage agreement
Select the language supported in the virtual machine
Complete installation
##2. Script to install virtual machine
The virtual machine installation settings are made into a script language so that it can automatically create a virtual machine, which can greatly save time.
3. Remotely copy virtual machines
We can copy the virtual machines between two hosts in the same network segment Virtual machines copy each other.
scp root@ip地址:/var/lib/libvirt/images/虚拟机名称.qcow2 /mnt/ scp root@ip地址:/etc/libvirt/qemu/虚拟机名称.xml /mnt/ vim /etc/libvirt/qemu/虚拟机名称.xml ##在该文件中可以更改虚拟机设置，如名称 cd /mnt/ ##在该目录下操作一下命令 virsh create 虚拟机名称.xml ##创建临时的虚拟机 virsh define 虚拟机名称.xml ##永久创建虚拟机 virsh undefine 虚拟机名称.xml ##解除永久创建
4. Virtual machine management
virsh destroy 虚拟机名称 ##关闭虚拟机 virsh list --all ##查看所有的虚拟机状态、名称
virsh start 虚拟机名称 ##开启虚拟机 virt-viewer 虚拟机名称 ##显示虚拟机（占用shell）
virsh list --all ##列出全部的虚拟机
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