KVM使用图形化界面
安装图形化面板
yum grouplist
yum groupinstall "GNOME Desktop" "Graphical Administration Tools"
systemctl set-default graphical.target
启用虚拟KVM(Win)
"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" modifyvm "k8s-master1" --nested-hw-virt on

cat /proc/cpuinfo|grep vmx
安装KVM
yum upgrade -y
yum install *qemu* *virt* librbd1-devel -y
yum install qemu-kvm qemu-img libvirt virt-manager -y
systemctl start libvirtd
lsmod|grep kvm
安装Cockpit
yum install -y cockpit
systemctl start cockpit
ss -anplut|grep cockpit
cd /etc/cockpit/ws-certs.d
cat cockpit.yutao.co.key >0-self-signed.cert
cat cockpit.yutao.co.pem >>0-self-signed.cert

systemctl stop cockpit.socket
创建KVM
virt-manager


KVM使用命令界面
cd /var/lib/libvirt/images/
cp generic.qcow2 generic2.qcow2
cd /etc/libvirt/qemu
cp generic.xml generic2.xml
vim generic2.xml
修改的name和UUID,内存可以根据实际情况修改

修改镜像源文件

MAC地址只能修改后三段

创建虚拟机
virsh define /etc/libvirt/qemu/generic2.xml

宿主机开启路由转发
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p