virt-manager

无法创建虚拟网络:Failed to initialize a valid firewall backend

安装ebtables、dnsmasq,重启libvirtd

##debian
apt install ebtables dnsmasq

##arhch
pacman -S ebtables dnsmasq

 

Manage KVM Hosts Through libvirt on Centos 6.4

System Environment:Centos 6.4 x86_64
Hardware:Lenovo IdeaCenter B300
要用KVM实现虚拟机系统,首先要确定主机是否支持虚拟化,通过/proc/cpuinfo可取得CPU信息!
:grep -E ‘(vmx|svm)’ /proc/cpuinfo | grep -E -o ‘(vmx|svm)’ /proc/cpuinfo若有任何信息打印基本上可以确定CPU是支持虚拟化的。 阅读更多 Manage KVM Hosts Through libvirt on Centos 6.4