[node.js] sudo: npm: command not found

WARNING (edit)

Doing a chmod 777 is a fairly radical solution. Try these first, one at a time, and stop when one works:

  • $ sudo chmod -R 777 /usr/local/lib/node_modules/npm
  • $ sudo chmod -R 777 /usr/local/lib/node_modules
  • $ sudo chmod g+w /usr/local/lib
  • $ sudo chmod g+rwx /usr/local/lib

$ brew postinstall node is the only install part where I would get a problem

Permission denied - /usr/local/lib/node_modules/npm/.github

So I

// !! READ EDIT ABOVE BEFORE RUNNING THIS CODE !!
$ sudo chmod -R 777 /usr/local/lib
$ brew postinstall node

and viola, npm is now linked

$ npm -v
3.10.10

Extra

If you used -R 777 on lib my recommendation would be to set nested files and directories to a default setting:

  • $ find /usr/local/lib -type f -print -exec chmod 644 {} \;
  • $ find /usr/local/lib -type d -print -exec chmod 755 {} \;
  • $ chmod /usr/local/lib 755

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