hubot実行時　

$ yo hubot
/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/mkdirp/index.js:90
throw err0;
^

Error: EACCES: permission denied, mkdir '/root/.config/configstore'
at Error (native)
at Object.fs.mkdirSync (fs.js:843:18)
at Function.sync (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/mkdirp/index.js:71:13)
at Object.create.all.get (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/configstore/index.js:38:13)
at Object.Configstore (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/configstore/index.js:27:44)
at new Insight (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/insight/lib/index.js:37:34)
at Object. (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/lib/cli.js:130:11)
at Module._compile (module.js:399:26)
at Object.Module._extensions..js (module.js:406:10)
at Module.load (module.js:345:32)

chownでアクセス権限を与えようとする。

$ sudo chown $root -R
/root/.nvm/versions/node/v5.2.0/lib/node_modules

chown: `/root/.nvm/versions/node/v5.2.0/lib/node_modules'
の後にオペランドがありません Try 'chown --help' for more information.

解決策がよくわかりません。教えて下さい。恐らく、rootが悪いのでしょうか？