I was following http://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes and in step 2 I need to add the line to grub.cfg, but grub.cfg is a shell I do not know how to edit it, most available resources tell you only the method to rearrange menu items, can anyone tell me what should be added to the file. I use 64-bit Fedora 18.
If you mean this:
it means just add that to the end of the line in a
Grub2 was supposed to eventually have some kind of CLI tool or console app you could use to configure stuff, which never materialized AFAIK. It's managed with some kind of sourcing and templating system, which most users can't be bothered with, so now they have yet another config file which says "do not edit" that everybody hack edits. Oh well. As long as it works...