Root permission NPM global installation (- G) will still have insufficient permissions. Please know the parameter unsafe perm

Environmental description

ganiks@ganiks-ubuntu-trusty-64:/ganiks/parse-server$ npm -v
6.5.0
ganiks@ganiks-ubuntu-trusty-64:/ganiks/parse-server$ node -v
v10.15.0

Problem description

Install and deploy parseserver service

root@ganiks-ubuntu-trusty-64:/ganiks/parse-server# npm install -g parse-server mongodb-runner

The first exception was encountered

> [email protected] install /usr/local/lib/node_modules/bcrypt
> node-pre-gyp install --fallback-to-build

node-pre-gyp WARN Using needle for node-pre-gyp https download
node-pre-gyp WARN Pre-built binaries not installable for [email protected] and [email protected] (node-v64 ABI, glibc) (falling back to source compile with node-gyp)
node-pre-gyp WARN Hit error EACCES: permission denied, mkdir '/usr/local/lib/node_modules/bcrypt/lib'
gyp WARN EACCES user "root" does not have permission to access the dev dir "/root/.node-gyp/10.15.0"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/bcrypt/.node-gyp"
gyp WARN install got an error, rolling back install

Complete error information:

> [email protected] install /usr/local/lib/node_modules/bcrypt
> node-pre-gyp install --fallback-to-build

node-pre-gyp WARN Using needle for node-pre-gyp https download
node-pre-gyp WARN Pre-built binaries not installable for [email protected] and [email protected] (node-v64 ABI, glibc) (falling back to source compile with node-gyp)
node-pre-gyp WARN Hit error EACCES: permission denied, mkdir '/usr/local/lib/node_modules/bcrypt/lib'
gyp WARN EACCES user "root" does not have permission to access the dev dir "/root/.node-gyp/10.15.0"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/bcrypt/.node-gyp"
gyp WARN install got an error, rolling back install
gyp WARN install got an error, rolling back install
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/bcrypt/.node-gyp'
gyp ERR! System Linux 3.13.0-164-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/usr/local/lib/node_modules/bcrypt/lib/binding/bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=/usr/local/lib/node_modules/bcrypt/lib/binding" "--napi_version=3" "--node_abi_napi=napi" "--napi_build_version=0" "--node_napi_label=node-v64"
gyp ERR! cwd /usr/local/lib/node_modules/bcrypt
gyp ERR! node -v v10.15.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/bcrypt/lib/binding/bcrypt_lib.node --module_name=bcrypt_lib --module_path=/usr/local/lib/node_modules/bcrypt/lib/binding --napi_version=3 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v64' (1)
node-pre-gyp ERR! stack     at ChildProcess.<anonymous> (/usr/local/lib/node_modules/bcrypt/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack     at ChildProcess.emit (events.js:182:13)
node-pre-gyp ERR! stack     at maybeClose (internal/child_process.js:962:16)
node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:251:5)
node-pre-gyp ERR! System Linux 3.13.0-164-generic
node-pre-gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/bcrypt/node_modules/.bin/node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd /usr/local/lib/node_modules/bcrypt
node-pre-gyp ERR! node -v v10.15.0
node-pre-gyp ERR! node-pre-gyp -v v0.12.0
node-pre-gyp ERR! not ok
Failed to execute '/usr/local/bin/node /usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/local/lib/node_modules/bcrypt/lib/binding/bcrypt_lib.node --module_name=bcrypt_lib --module_path=/usr/local/lib/node_modules/bcrypt/lib/binding --napi_version=3 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v64' (1)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: `node-pre-gyp install --fallback-to-build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-01-17T08_54_06_070Z-debug.log
　　

How to Solve

npm install Adding parameters–unsafe-perm

root@ganiks-ubuntu-trusty-64:/ganiks/parse-server# sudo npm install -g parse-server mongodb-runner --unsafe-perm

References

https://github.com/nodejs/node-gyp/issues/454

https://github.com/nfarina/homebridge/issues/405#issuecomment-164803485

If npm detects it is running as root it drops to a non-privileged user which then doesn’t have permissions to write to/root/.node-gyp.

The–unsafe-permoption stops it from changing user.

nvm doesn’t have this problem when not using sudo because it stores everything under the current users’ home directory.

https://docs.npmjs.com/misc/config#unsafe-perm–unsafe-perm

See the official documentation for an explanation

unsafe-perm
Default: false if running as root, true otherwise
Type: Boolean
Set to true to suppress the UID/GID switching when running package scripts.

If set explicitly to false, then installing as a non-root user will fail.

Add:

There is no need to install parse-server globally (-g), install it to the local directory and you will not encounter the problems in this article.

vagrant@ganiks-ubuntu-trusty-64:~/parse-server-advanced$ npm install parse-server
npm WARN deprecated [email protected]: stop using this version

> [email protected] install /home/vagrant/parse-server-advanced/node_modules/bcrypt
> node-pre-gyp install --fallback-to-build

node-pre-gyp WARN Using request for node-pre-gyp https download
[bcrypt] Success: "/home/vagrant/parse-server-advanced/node_modules/bcrypt/lib/binding/bcrypt_lib.node" is installed via remote

> [email protected] postinstall /home/vagrant/parse-server-advanced/node_modules/parse-server
> node -p 'require("./postinstall.js")()'


                  1111111111
               1111111111111111
            1111111111111111111111
          11111111111111111111111111
        111111111111111       11111111
       1111111111111             111111
      1111111111111   111111111   111111
      111111111111   11111111111   111111
     1111111111111   11111111111   111111
     1111111111111   1111111111    111111
     1111111111111111111111111    1111111
     11111111                    11111111
      111111         1111111111111111111
      11111   11111  111111111111111111
       11111         11111111111111111
        111111     111111111111111111
          11111111111111111111111111
            1111111111111111111111
              111111111111111111
                  11111111111


        Thanks for installing parse 🙏
  Please consider donating to our open collective
      to help us maintain this package.

  👉 https://opencollective.com/parse-server

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