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Npm install failed with "cannot run in wd"

The documentation says (also here):

If npm was invoked with root privileges, then it will change the uid to the user account or uid specified by the user config, which defaults to nobody. Set the unsafe-perm flag to run scripts with root privileges.

Your options are:

  1. Run npm install with the --unsafe-perm flag:

    [sudo] npm install --unsafe-perm
    
  2. Add the unsafe-perm flag to your package.json:

    "config": {
        "unsafe-perm":true
    }
    
  3. Don't use the preinstall script to install global modules, install them separately and then run the regular npm install without root privileges:

    sudo npm install -g coffee-script node-gyp
    npm install
    

Related:

  • package.json for global module installation

The only thing that worked for me was adding a .npmrc file containing:

unsafe-perm = true

Adding the same config to package.json didn't have any effect.


I have experienced the same problem when trying to publish my nodejs app in a private server running CentOs using root user. The same error is fired by "postinstall": "./node_modules/bower/bin/bower install" in my package.json file so the only solution that was working for me is to use both options to avoid the error:

1: use --allow-root option for bower install command

"postinstall": "./node_modules/bower/bin/bower --allow-root install"

2: use --unsafe-perm option for npm install command

npm install --unsafe-perm

OP here, I have learned a lot more about node since I first asked this question. Though Dmitry's answer was very helpful, what ultimately did it for me is to install node with the correct permissions.

I highly recommend not installing node using any package managers, but rather to compile it yourself so that it resides in a local directory with normal permissions.

This article provides a very clear step-by-step instruction of how to do so:

https://www.digitalocean.com/community/tutorials/how-to-install-an-upstream-version-of-node-js-on-ubuntu-12-04


!~~ For Docker ~~!

@Alexander Mills answer - just made it easier to find:

RUN npm set unsafe-perm true

I fixed this by changing the ownership of /usr/local and ~/Users/user-name like so:

sudo chown -R my_name /usr/local

This allowed me to do everything without sudo