红帽全球峰会3.2.4. 使用 PXE 安装虚拟机
当使用 PXE 引导协议安装虚拟机时，指定桥接网络的
--network 选项和 --pxe 选项必须指定。
以下示例使用 PXE 安装虚拟机：
# virt-install \
--name guest1-rhel7 \
--memory 2048 \
--vcpus 2 \
--disk size=8 \
--network=bridge:br0 \
--pxe \
--os-variant rhel7 
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