修改了宿主机的主机名后, libvirtd错误日志如下

virNetSocketReadWire:1808 : End of file while reading data: Input/output error

解决方法:

systemctl restart systemd-machined
systemctl restart libvirtd

另外推荐一个小型管理kvm虚拟机的开源软件

https://github.com/retspen/webvirtcloud

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