2. If you want to use this repository every time yum is used (including for Amahi automatic updates), change
{{Text|Text=enabled<nowiki>=</nowiki>0}}
to
{{Text|Text=enabled<nowiki>=</nowiki>1}}
in '''''/etc/yum.repos.d/greyhole.repo'''''. You can safely skip this step if you want to manually update in the future.
3. Update hda-greyhole to the latest version: