root@ubuntu-16-04-Server-1:/srv/daemon# npm install --only=production

> dtrace-provider@0.8.5 install /srv/daemon/node_modules/dtrace-provider
> node scripts/install.js

sh: 1: node: not found
npm WARN install:dtrace-provider@0.8.5 dtrace-provider@0.8.5 install: `node scripts/install.js`
npm WARN install:dtrace-provider@0.8.5 spawn ENOENT

> mmmagic@0.4.5 install /srv/daemon/node_modules/mmmagic
> node-gyp rebuild

/bin/sh: 1: node: not found
gyp: Call to 'node -e "require('nan')"' returned exit status 127 while in binding.gyp. while trying to load binding.gyp
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (/usr/share/node-gyp/lib/configure.js:354:16)
gyp ERR! stack     at emitTwo (events.js:87:13)
gyp ERR! stack     at ChildProcess.emit (events.js:172:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Linux 4.4.0-97-generic
gyp ERR! command "/usr/bin/nodejs" "/usr/bin/node-gyp" "rebuild"
gyp ERR! cwd /srv/daemon/node_modules/mmmagic
gyp ERR! node -v v4.2.6
gyp ERR! node-gyp -v v3.0.3
gyp ERR! not ok
npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.1.2
npm WARN ajv-keywords@2.1.0 requires a peer of ajv@>=5.0.0 but none was installed.
npm WARN eslint-config-airbnb-base@11.3.2 requires a peer of eslint@^3.19.0 || ^4.5.0 but none was installed.
npm ERR! Linux 4.4.0-97-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "--only=production"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! code ELIFECYCLE

npm ERR! mmmagic@0.4.5 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the mmmagic@0.4.5 install script 'node-gyp rebuild'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the mmmagic package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs mmmagic
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls mmmagic
npm ERR! There is likely additional logging output above.

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