antonym /

Network bootable operating system installer based on iPXE

Build Status menu

Bootloader Downloads

These iPXE disks will automatically load into

Type Bootloader Description
ISO Used for CD/DVD, Virtual CDs like DRAC/iLO, VMware, Virtual Box
Floppy Used for 1.44 MB floppies, Virtual floppies like DRAC/iLO, VMware, Virtual Box
USB Used for creation of USB Keys
Kernel Used for booting from GRUB/EXTLINUX
DHCP DHCP boot image file, uses built-in iPXE NIC drivers
DHCP-undionly DHCP boot image file, use if you have NIC issues
EFI EFI boot image file EXPERIMENTAL

SHA256 checksums are generated during each build of iPXE and are located here. You can also view the scripts that are embedded into the images here.

What is is a convenient place to boot into any type of operating system or utility disk without the need of having to go spend time retrieving the ISO just to run it. iPXE is used to provide a user friendly menu from within the BIOS that lets you easily choose the operating system you want along with any specific types of versions or bootable flags.

If you already have iPXE up and running on the network, you can hit at anytime by typing:

chain --autofree

You'll need to make sure to have DOWNLOAD_PROTO_HTTPS enabled in iPXE.

Full documentation is at ReadTheDocs:

What Operating Systems are available?


Security Related



Feel free to open up an issue on Github, swing by Freenode IRC in the #netbootxyz channel, or ping us on Gitter. Follow us on Twitter or like us on Facebook!

Testing New Branches

Under the Utilities menu on, there's an option for "Test branch". If you've forked the code and have developed a new feature branch, you can use this option to chainload into that branch to test and validate the code. All you need to do is specify your github user name and the name of your branch or abbreviated hash of the commit.

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