Error: EACCES: permission denied when trying to install ESLint using npm

问题

I'm trying to install ESLint with npm by going:

npm install -g eslint

However I get the following error:

Deans-Air:~ deangibson$ npm install -g eslint
npm ERR! tar.unpack untar error /Users/deangibson/.npm/eslint/2.4.0/package.tgz
npm ERR! Darwin 15.3.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "eslint"
npm ERR! node v4.2.3
npm ERR! npm  v2.14.7
npm ERR! path /usr/local/lib/node_modules/eslint
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall mkdir

npm ERR! Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/eslint'
npm ERR!     at Error (native)
npm ERR!  { [Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/eslint']
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: '/usr/local/lib/node_modules/eslint',
npm ERR!   fstream_type: 'Directory',
npm ERR!   fstream_path: '/usr/local/lib/node_modules/eslint',
npm ERR!   fstream_class: 'DirWriter',
npm ERR!   fstream_stack: 
npm ERR!    [ '/usr/local/lib/node_modules/npm/node_modules/fstream/lib/dir-writer.js:35:25',
npm ERR!      '/usr/local/lib/node_modules/npm/node_modules/mkdirp/index.js:47:53',
npm ERR!      'FSReqWrap.oncomplete (fs.js:82:15)' ] }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/deangibson/npm-debug.log

And to be honest I get this every single time I try and install something with npm. Sometimes using 'sudo' works, sometimes it doesn't... How can I fix this once and for all?

回答1:

Use --unsafe-perm=true and --allow-root flags with npm install like below:-

sudo npm install -g eslint --unsafe-perm=true --allow-root

it worked like charm for me.

回答2:

This problem is well documented in the npm docs: Fixing npm permissions.

You have 2 solutions available:

Option 1: Change npm's default directory to a hidden directory in your home folder

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

Option 2: Use a package manager that takes care of this for you

brew install node

回答3:

Running the following command solved the issue for me while installing my packages.json :

 sudo npm install --unsafe-perm=true --allow-root

To install only the package which caused the issue:

  sudo npm install -g --unsafe-perm=true --allow-root eslint

回答4:

sudo npm install -g --unsafe-perm=true eslint

is sufficient.

回答5:

~~Try this command sudo chown -R $(whoami) $(npm config get prefix)/{lib/node_modules}~~

this will change the ownership of the sub-folders used by npm and some other tools (lib/node_modules, bin, and share).

Update

Follow this link as suggested by other users.

回答6:

Use sudo before tns and it is work for me

Example:

sudo tns create Tekmo --template tns-template-hello-world

if I have used sudo then not found error like to create postinstall.js

Error: EACCES: permission denied

回答7:

sudo npm install -g eslint --unsafe-perm=true --allow-root

is sufficient to run.

来源：https://stackoverflow.com/questions/35954725/error-eacces-permission-denied-when-trying-to-install-eslint-using-npm

标签

node.js

macos

npm

eslint