NPM won't install any package on Mac. New, clean build. `EACCES` & other errors

Question

I\'ve just rebuild my Mavericks (Mac OS X Version 9.4) machine from scratch. I am the administrator and only user of this machine.

• I installed Git via their

Answer 1

By the way, I solved this issue by changing the owner of /usr/local to be myself, in order to allow NPM to modules in its default location without further requiring sudo for each package's installation.

sudo chown -R `whoami` /usr/local