2022-04-28 06:40:02 +00:00
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---
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title: "KVM安装"
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date: 2020-02-29T15:12:41+08:00
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2022-05-18 14:54:44 +00:00
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tags: [ linux, KVM ]
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categories: [ tech ]
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weight: 50
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show_comments: true
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2022-04-28 06:40:02 +00:00
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draft: false
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---
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> 本篇总结自[how-to-install-virtual-machine-manager-kvm-in-manjaro-and-arch-linux](https://www.fosslinux.com/2484/how-to-install-virtual-machine-manager-kvm-in-manjaro-and-arch-linux.htm).
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## 检查硬件支持
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```
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LC_ALL=C lscpu | grep Virtualization
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```
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以上语句应当得到`Virtualization: VT-x`或者`Virtualization: AMD-V`的结果, 否则硬件不支持, 请前往BIOS设置虚拟化选项.
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## 检查内核支持
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运行`zgrep CONFIG_KVM /proc/config.gz`, 得到的结果应该是`CONFIG_KVM_INTEL`或者`CONFIG_KVM_AMD`的值为`m`或`y`. 以下是样例输出.
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```
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CONFIG_KVM_GUEST=y
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# CONFIG_KVM_DEBUG_FS is not set
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CONFIG_KVM_MMIO=y
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CONFIG_KVM_ASYNC_PF=y
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CONFIG_KVM_VFIO=y
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CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
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CONFIG_KVM_COMPAT=y
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CONFIG_KVM=m
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CONFIG_KVM_INTEL=m
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CONFIG_KVM_AMD=m
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CONFIG_KVM_MMU_AUDIT=y
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```
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## 安装KVM(虚拟机管理器)
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**第一步**: 运行以下命令来安装KVM和一些依赖
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```
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sudo pacman -S virt-manager qemu vde2 ebtables dnsmasq bridge-utils openbsd-netcat
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```
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注意以下两步要完成, 如果此时直接运行虚拟机管理器, 会得到`adduser: The group 'libvirtd’ does not exist`的错误.
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**第二步**: 启用`libvirtd`服务
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```
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sudo systemctl enable libvirtd.service
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```
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**第三步**: 启动`libvirtd`服务
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```
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sudo systemctl start libvirtd.service
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2022-05-18 14:54:44 +00:00
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```
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