Error when Installing v0.7.x with MongoDB?

[humanmadeaccount]

Error: Cannot find module './build/Release/magic'
    at Function.Module._resolveFilename (module.js:336:15)
    at Function.Module._load (module.js:278:25)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at Object.<anonymous> (/root/nodebb/node_modules/mmmagic/index.js:3:13)
    at Module._compile (module.js:460:26)
    at Object.Module._extensions..js (module.js:478:10)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)

I tried to install using nodebb docs but it always show this errors.

[Vladimir]

@humanmadeaccount said:

Error: Cannot find module './build/Release/magic'

You must install imagemagick:
sudo apt-get install imagemagick