error

npm ERR! Darwin 14.0.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "-g" "gulp" "jshint"
npm ERR! node v0.10.33
npm ERR! npm  v2.1.10
npm ERR! path /usr/local/lib/node_modules/gulp/LICENSE
npm ERR! code EACCES
npm ERR! errno 3

npm ERR! Error: EACCES, unlink '/usr/local/lib/node_modules/gulp/LICENSE'
npm ERR!  { [Error: EACCES, unlink '/usr/local/lib/node_modules/gulp/LICENSE']
npm ERR!   errno: 3,
npm ERR!   code: 'EACCES',
npm ERR!   path: '/usr/local/lib/node_modules/gulp/LICENSE' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.
npm ERR! error rolling back Error: EACCES, unlink '/usr/local/lib/node_modules/gulp/CHANGELOG.md'
npm ERR! error rolling back  { [Error: EACCES, unlink '/usr/local/lib/node_modules/gulp/CHANGELOG.md']
npm ERR! error rolling back   errno: 3,
npm ERR! error rolling back   code: 'EACCES',
npm ERR! error rolling back   path: '/usr/local/lib/node_modules/gulp/CHANGELOG.md' }

npm ERR! Please include the following file with any support request:
npm ERR!     /Library/WebServer/Documents/danilo/cozyhome.com.br/desenvolvimento/npm-debug.log