Device 'kvm-pci-assign' could not be initialized

本文档展示了如何配置libvirt和QEMU以确保虚拟机的安全运行。内容包括设置用户和组ID,以及如何通过禁用clear_emulator_capabilities来运行具有完全权限的虚拟机实例。

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/etc/libvirt/qemu.conf:


# The user ID for QEMU processes run by the system instance.
user = "root"


# The group ID for QEMU processes run by the system instance.
group = "root"
and


# If clear_emulator_capabilities is enabled, libvirt will drop all
# privileged capabilities of the QEmu/KVM emulator. This is enabled by
# default.
#
# Warning: Disabling this option means that a compromised guest can
# exploit the privileges and possibly do damage to the host.
#
clear_emulator_capabilities = 0
Note: This will make your guest run as root with all its capabilities (insecure)


https://ask.fedoraproject.org/question/9531/kvm-device-pci-assign-could-not-be-initialized/

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