Mac OSX Yosemite, node - v6.1.0, ng --version is not working (ng: command not found)

[info007]

step:1 - Installed angular-cli gloablly and used below commad to create my-app structure

step:2 - sudo /Users/xxx/node_modules/angular-cli/bin/ng new my-app

Getting Error as:
(node:84630) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.
Could not start watchman; falling back to NodeWatcher for file system events.
Visit http://ember-cli.com/user-guide/#watchman for more info.
installing ng2
create .clang-format
create .editorconfig
create src/app/lego-search6.component.css
create src/app/lego-search6.component.html
create src/app/lego-search6.component.spec.ts
create src/app/lego-search6.component.ts
create src/app/environment.ts
create src/app/index.ts
create src/app/shared/index.ts
create src/favicon.ico
create src/index.html
create src/main.ts
create src/system-config.ts
create src/tsconfig.json
create src/typings.d.ts
create angular-cli-build.js
create angular-cli.json
create config/environment.dev.ts
create config/environment.js
create config/environment.prod.ts
create config/karma-test-shim.js
create config/karma.conf.js
create config/protractor.conf.js
create e2e/app.e2e.ts
create e2e/app.po.ts
create e2e/tsconfig.json
create e2e/typings.d.ts
create .gitignore
create package.json
create public/.npmignore
create tslint.json
create typings.json
getaddrinfo ENOTFOUND registry.npmjs.org registry.npmjs.org:443
Error: getaddrinfo ENOTFOUND registry.npmjs.org registry.npmjs.org:443
at errnoException (dns.js:28:10)
at GetAddrInfoReqWrap.onlookup as oncomplete

[hansl]

Node 6 isn't fully supported yet. We have to test it properly. There's a PR in the work but it's still a way to be 100% compatible. We'll update the README when we have full support.

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