Description of problem:
When I do some adjustments to /etc/default/grub, there are no instructions how to re-generate the main configuration file /boot/grub2/grub.cfg. In the latter file, there is a note about grub2-mkconfig. grub2-mkconfig by default spits the output of stdout, and you have to redirect the output to the correct file manually.
I would like to see an easier process. In Ubuntu they have an 'update-grub' command, that takes care of everything needed (generates the config and writes it to correct location). I would like to propose to take the same approach in Fedora.
1. Provide 'update-grub' command that performs everything needed (it seems that calling grub2-mkconfig with correct output redirection is sufficient). Take it from Ubuntu if it is not in upstream.
2. Document in both /etc/default/grub that simple execution of 'update-grub' command will re-generate the grub config file.
Version-Release number of selected component (if applicable):
*** Bug 745185 has been marked as a duplicate of this bug. ***
*** Bug 739691 has been marked as a duplicate of this bug. ***
For reference purposes - the current "workaround" is to run:
grub2-mkconfig -o /boot/grub2/grub.cfg