Atom Package Update Failed For Emmet, Git-Plus, Minimap

Encountered the following error using the Atom text editor in my mac. I'm using a 2012 Macbook Pro running Yosemite (which is a slow OS compared to mountain lion or lion or snow leopard).

Package update failed using Atom's package update menu.

Issuing "apm install emmet" gave me this error:

EACCES, unlink '/Users/pacesferry/.atom/packages/emmet/.npmignore'

Solution: sudo the command.

So either
sudo apm install emmet
or
sudo apm update emmet