[Node] checkPermissions Missing write access to /usr/local/lib/node_modules

npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules

npm ERR! code EACCES

npm ERR! syscall access

npm ERR! path /usr/local/lib/node_modules

npm ERR! errno -13

npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'

npm ERR!  [Error: EACCES: permission denied, access '/usr/local/lib/node_modules'] {

npm ERR!   stack: "Error: EACCES: permission denied, access '/usr/local/lib/node_modules'",

npm ERR!   errno: -13,

npm ERR!   code: 'EACCES',

npm ERR!   syscall: 'access',

npm ERR!   path: '/usr/local/lib/node_modules'

npm ERR! }

npm install -g 설치 안될때

sudo npm install -g로 설치