In general, direct netbooting from the BIOS is more successful over a single wired connection.Īlternatively, a netboot can be specified using a boot loader on the local PC's hard drive, such as GRUB. If the PC has both an active wireless and a wired Ethernet card, or multiple active wired NIC cards, it can be tricky to set which card to use for PXE netboot. Some users have used wireless bridges to enable wireless netboots. Netbooting is more difficult wirelessly if the wireless card does not have an embedded PXE-ROM chip. This option is selected from the BIOS configuration on the PC. Many current Ethernet NIC cards have a hardware chip ( PXE-ROM) that allows booting over a network. Older PCs from the 1990s may not have this capability. Many newer PCs have PXE built into the BIOS and are able to netboot. In many ways, it is similar to booting from a LiveCD or floppy, but the storage media is on the network. The operating system image is stored on a central server's hard drive (in this case the Core), and loaded into the RAM of the PC which is requesting the netboot. A netboot is the process of booting an operating system over a network.
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