npm throws error without sudo

 

I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin. 

npm ERR! Error: EACCES, open '/Users/chietala/.npm/-/all/.cache.json'
npm ERR!  { [Error: EACCES, open '/Users/chietala/.npm/-/all/.cache.json']
npm ERR!   errno: 3,
npm ERR!   code: 'EACCES',
npm ERR!   path: '/Users/chietala/.npm/-/all/.cache.json' }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.

npm ERR! System Darwin 12.2.0
npm ERR! command "node" "/usr/local/bin/npm" "search" "bower"
npm ERR! cwd /Users/chietala
npm ERR! node -v v0.10.4
npm ERR! npm -v 1.2.18
npm ERR! path /Users/chietala/.npm/-/all/.cache.json
npm ERR! code EACCES
npm ERR! errno 3
npm ERR! stack Error: EACCES, open '/Users/chietala/.npm/-/all/.cache.json'
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /Users/chietala/npm-debug.log
npm ERR! not ok code 0

This looks like a permissions issue in your home directory. To reclaim ownership of the .npm directory execute: 

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

Permissions you used when installing Node will be required when doing things like writing in your npm directory ( npm link , npm install -g , etc.).

You probably ran node installation with root permissions, that's why the global package installation is asking you to be root.

Solution 1: NVM

Don't hack with permissions, install node the right way.

On a development machine, you should not install and run node with root permissions, otherwise things like npm link , npm install -g will need the same permissions.

NVM (Node Version Manager) allows you to install Node without root permissions and also allows you to install many versions of Node to play easily with them.. Perfect for development.

  • Uninstall Node (root permission will probably be required). This might help you.
  • Then install NVM following instructions on this page.
  • Install Node via NVM: nvm install node

    • Now npm link , npm install -g will no longer require you to be root.

    Edit: See also https://docs.npmjs.com/getting-started/fixing-npm-permissions

    Solution 2: Install packages globally for a given user

    Don't hack with permissions, install npm packages globally the right way.

    If you are on OSX or Linux, you can create a user dedicated directory for your global package and setup npm and node to know how to find globally installed packages.

    Check out this great article for step by step instructions on installing npm modules globally without sudo.

    See also: npm's documentation on Fixing npm permissions.

    您还需要在node_modules目录中具有写入权限： 

    sudo chown -R $USER /usr/local/lib/node_modules
    链接地址: http://www.djcxy.com/p/27688.html

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