Question: how to configure pxe boot?
Answer: Step 1: Install and configure DNSMASQ Server. ...  Step 2: Install SYSLINUX Bootloaders. ...  Step 3: Install TFTP-Server and Populate it with SYSLINUX Bootloaders. ...  Step 4: Setup PXE Server Configuration File. ...  Step 5: Add CentOS 7 Boot Images to PXE Server. ...  Step 6: Create CentOS 7 Local Mirror Installation Source.