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| author | Jasper Ras <jras@hostnet.nl> | 2025-01-13 13:16:06 +0100 |
|---|---|---|
| committer | Jasper Ras <jras@hostnet.nl> | 2025-01-13 13:16:06 +0100 |
| commit | 9232b8d817d4cd4122947375156fa2fa1e9fba14 (patch) | |
| tree | e4feb77f2e508f008b78f722e91488bb9a3f3806 /3 resources/linux/networking/PXE.md | |
| parent | ed0753ad224f0c65133bd7a63180257eecd9f5e3 (diff) | |
vault backup: 2025-01-13 13:16:06
Diffstat (limited to '3 resources/linux/networking/PXE.md')
| -rw-r--r-- | 3 resources/linux/networking/PXE.md | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3 resources/linux/networking/PXE.md b/3 resources/linux/networking/PXE.md new file mode 100644 index 0000000..d5fe4d1 --- /dev/null +++ b/3 resources/linux/networking/PXE.md @@ -0,0 +1,18 @@ +#linux #pxe + +--- +The NBP is a bootloader that is obtained via the network typically via [[TFTP]]. It handles setting up an environment in which an OS can run or install. For example, it displays a boot menu and downloads the kernel images. It sets up hardware, for example the [[NIC]]s. + +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 |