## Advanced Grub [Grub](http://www.gnu.org/software/grub/) is a capable boot loader. This document is intended to capture some of its most interesting features and try to explain them a bit better than the texinfo documentation. ### Debian Grub The Debian grub packages do not have networking enabled, so you have to apt-get the source, modify the debian/rules file to include --enable-network-card and dpkg-buildpackage to get a .deb of grub that supports TFTP. 1. cd /usr/src/debian 2. apt-get source grub 3. cd grub-\_VERSION\_ 4. Add `--enable-tulip` or similar for your NIC to the `./configure` line of the `configure-stamp` target in the `debian/rules` file. 5. `dpkg-buildpackage` (as `root`) 6. `cd ..` 7. `dpkg -i grub*.deb` 8. cp /lib/grub/\_ARCH\_/\* /boot/grub/, e.g., _ARCH_ is `i386-pc` 9. Edit your `/boot/grub/menu.lst` (see below) 10. If your boot disk is `/dev/hda` ==> `grub-install (hd0)` ### TFTP Boot Using trivial ftp to load a kernel is one of the best features of Grub. Here is how it is done. The `menu.lst` can look something like this: ifconfig --address=192.168.1.2 --server=192.168.1.1 root (nd) kernel /gnu/boot/oskit-mach.gz root=device:hd0s2 -- root (hd0,1) module /hurd/ext2fs.static \ --multiboot-command-line=${kernel-command-line} \ --host-priv-port=${host-port} \ --device-master-port=${device-port} \ --exec-server-task=${exec-task} \ -T typed ${root} $(task-create) $(task-resume) module /lib/ld.so.1 /hurd/exec $(exec-task=task-create)