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KVM(Kernel-based Virtual Machine)是 Linux 内核自带的虚拟化方案:
egrep -c '(vmx|svm)' /proc/cpuinfo返回 > 0 表示支持
yum install -y qemu-kvm libvirt virt-install bridge-utilsUbuntu:
apt install -y qemu-kvm libvirt-daemon-system virtinst bridge-utilssystemctl enable --now libvirtd编辑网卡配置(示例 br0):
CentOS
cd /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
BOOTPROTO=static
IPADDR=192.168.1.10
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
DNS1=8.8.8.8
ONBOOT=yesifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BRIDGE=br0重启网络:
systemctl restart NetworkManagermkdir -p /data/kvm
cd /data/kvm
wget https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-9.qcow2virt-install \
--name vm1 \
--ram 2048 \
--vcpus 2 \
--disk path=/data/kvm/vm1.qcow2,size=20 \
--os-variant centos-stream9 \
--network bridge=br0 \
--graphics none \
--console pty,target_type=serial \
--location /data/kvm/CentOS-Stream-GenericCloud-9.qcow2virsh list --all
virsh start vm1
virsh shutdown vm1
virsh console vm1yum install cockpit cockpit-machines
systemctl enable --now cockpit访问:https://IP:9090
✅ BIOS 未开 VT
✅ 桥接未配置导致无网络
✅ 镜像不支持 serial console
如果你告诉我:
我可以直接给你 一套可落地的配置方案。