Looking for logging into the Ng2 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Ng2 site. After that you can login as usual with your login credentials.
http://jasonwatmore.com/post/2016/09/29/angular-2-user-registration-and-login-example-tutorial
https://www.npmjs.com/package/ng2-alfresco-login
https://www.npmjs.com/package/ngx-login-client
https://www.npmjs.com/package/ng2-login-form
https://auth0.com/docs/quickstart/spa/angular2/01-login
https://github.com/jhipster/jhipster-sample-app-ng2/blob/master/src/main/webapp/app/shared/login/login-modal.service.ts
https://github.com/maxmin93/ng2-login-example
https://github.com/cornflourblue/angular2-registration-login-example
https://stackoverflow.com/questions/42987293/refresh-header-after-login-in-angular2
http://embed.plnkr.co/PfZytJyHcl3xIsa8pdMo/