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=====Network Interfaces===== Etherboot names interfaces following the pattern "net#". **ifstat [interfaces...]** Displays information and statistics about the specified interface. If no interface is specified, displays information about all detected interfaces. Information includes MAC address, PCI bus/slot/function identiers, and packet counts. **ifopen [interfaces...]** Opens the specified interfaces. If no interface is specified, opens all interfaces. **ifclose [interfaces...]** Closes the specified interfaces. If no interface is specified, closes all interfaces. **dhcp <interface>** Attempts to configure the specified network interface using DHCP. Also opens the interface. =====Working with images===== **imgfetch [-n|--name <image name>] <filename> [arguments...]** Retrieves an image file, giving it a specified name, and prepares it to be executed with the specified arguments. File name may be a simple path, or an HTTP URL. Simple paths are assumed to be located on the TFTP server specified by dhcp or **config**. If //image name// is not specified, the base filename will be used as the name. **module [-n|--name <image name>] <filename> [arguments...]** Equivalent to **imgfetch** **initrd [-n|--name <image name>] <filename> [arguments]** Fetch and load an initrd. **imgargs <image name>** Set or change the arguments for the specified image name **imgload <image name>** Prepares an executable image to be executed. **imgfree** Remove all fetched/loaded images. **kernel [-n|--name <image name>] <filename> [arguments]** Fetch and load a bzImage format Linux kernel. Equivalent to an imgfetch followed by imgload. =====Variables===== This doesn't seem to work, as it always says "file not found" **set <identifier> <value>** Set the value of //identifier// to //value// **show <identifier>** Display the value of //identifier// **clear <identifier>** Clear the value of //identifier// =====Other===== **autoboot** Attempts to boot the system **config** Enters a configuration GUI to set up various parameters **exit** Exits gPXE, and passes boot control back to the BIOS. **sanboot** Attempts to boot the system from a SAN device. =====Outstanding questions===== * What does autoboot do? Does it simply execute a script, pre-defined at compile time? Does it follow its own sequence of boot operations? * When multiple images of the same name are fetched, which one will takes precedence? * What does the **initrd** command do that's special? It obviously sets the image type to initrd, but what's the effect of that? Is there a way to specify the type of a loaded image after the fact? * What are the **set**/**clear**/**show**


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