grub-ipxe software package provides Network booting from GRUB using iPXE, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install grub-ipxe
grub-ipxe is installed in your system.
Make ensure the grub-ipxe package were installed using the commands given below,
$ sudo dpkg-query -l | grep grub-ipxe *
You will get with grub-ipxe package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | grub-ipxe |
| Version | 1.0.0+git-20131111.c3d1e78-2ub |
| Description | Network booting from GRUB using iPXE |
| Sub Section | Admin |