From ed0753ad224f0c65133bd7a63180257eecd9f5e3 Mon Sep 17 00:00:00 2001 From: Jasper Ras Date: Wed, 8 Jan 2025 10:48:09 +0100 Subject: vault backup: 2025-01-08 10:48:09 --- 3 resources/linux/networking/pxe-boot.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 3 resources/linux/networking/pxe-boot.md (limited to '3 resources/linux/networking/pxe-boot.md') diff --git a/3 resources/linux/networking/pxe-boot.md b/3 resources/linux/networking/pxe-boot.md new file mode 100644 index 0000000..d532ac3 --- /dev/null +++ b/3 resources/linux/networking/pxe-boot.md @@ -0,0 +1,15 @@ +PXE = Preboot Execution Environment. + +PXE boot process: +1. Modified [[DHCP]] request: request to include boot information (PXE boot request). +2. Process DHCP response which includes an IP address of [[TFTP]] server and filename of [[NBP]]. +3. Download NBP over TFTP. +4. NBP executes + 1. Loads additional stuff over network, like kernel images. + 2. Handles the boot menu +5. Kernel takes over boot process and potentially downloads additional files required to complete booting. + +Popular NBP's: +- PXELINUX +- iPXE +- GRUB2 -- cgit v1.2.3