how to pxe boot ubuntu?
['Step 1: Install and Configure DNSMASQ Server. ... ', 'Step 2: Install TFTP Netboot Files. ... ', 'Step 3: Prepare Local Installation Source Files. ... ', 'Step 4: Setup PXE Server Configuration File. ... ', 'Step 5: Open Firewall Ports in Ubuntu. ... ', 'Step 6: Install Ubuntu with Local Sources via PXE.']