Looking for logging into the Drupal Default Admin 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 Drupal Default Admin site. After that you can login as usual with your login credentials.
https://www.siteground.com/kb/drupal_admin_login/
https://www.drupal.org/project/yg_flew/issues/2955962
https://www.drupal.org/forum/support/before-you-start/2017-04-29/how-to-login-to-drupal-admin-panel
http://www.google.com.pk/url?url=http://www.inmotionhosting.com/support/edu/drupal-7/getting-started/how-to-log-into-the-drupal-admin-dashboard
http://www.google.com.pk/url?url=http://www.inmotionhosting.com/support/edu/drupal-8/getting-started/admin-login
https://www.youtube.com/watch%3Fv%3DtpuXAwM1eZ0
https://www.zyxware.com/articles/4572/drupal-how-to-access-drupal-admin-panel-on-disabling-login-block
https://support.hostgator.com/articles/specialized-help/how-to-login-to-drupal-7-retrieve-lost-password
https://drupal.stackexchange.com/questions/119004/unable-to-access-admin-panel-of-drupal-site-at-localhost-migrated-from-server
https://drupal.stackexchange.com/questions/263822/cannot-log-in-as-drupal-admin
https://www.interserver.net/tips/kb/change-drupal-login-url/
https://www.ostraining.com/blog/drupal/log-in-to-drupal-without-a-log-in-block/
https://alvinalexander.com/drupal/drupal-login-drupal-user-website