KVM 安装

Table of Content

本篇总结自how-to-install-virtual-machine-manager-kvm-in-manjaro-and-arch-linux.

检查硬件支持

LC_ALL=C lscpu | grep Virtualization

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.

检查内核支持

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my. 以下是样例输出.

CONFIG_KVM_GUEST=y
# CONFIG_KVM_DEBUG_FS is not set
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_KVM_VFIO=y
CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
CONFIG_KVM_COMPAT=y
CONFIG_KVM=m
CONFIG_KVM_INTEL=m
CONFIG_KVM_AMD=m
CONFIG_KVM_MMU_AUDIT=y

安装KVM(虚拟机管理器)

第一步: 运行以下命令来安装KVM和一些依赖

sudo pacman -S virt-manager qemu vde2 ebtables dnsmasq bridge-utils openbsd-netcat

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.

第二步: 启用libvirtd服务

sudo systemctl enable libvirtd.service

第三步: 启动libvirtd服务

sudo systemctl start libvirtd.service

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