Answers for "code EACCES"

npm EACCES: permission denied, access '/usr/local/lib'

sudo chown -R $(whoami) ~/.npm

mkdir ~/.npm-global
npm config set prefix '~/.npm-global'
export PATH=~/.npm-global/bin:$PATH
source ~/.profile

The operation was rejected by your operating system. npm ERR! It is likely you do not have the permissions to access this file as the current user

sudo chown -R $USER /usr/local/lib/node_modules