Looking for logging into the Disable Local Gitlab 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 Disable Local Gitlab site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/26618030/gitlab-disable-regular-username-password-login-and-only-allow-omniauth-login
https://gitlab.com/gitlab-org/gitlab-ce/issues/5820
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/561
https://docs.gitlab.com/ee/user/admin_area/settings/visibility_and_access_controls.html
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2837
https://forum.gitlab.com/t/disable-user-creation-on-welcome-page/806
https://docs.gitlab.com/ee/public_access/public_access.html
https://superuser.com/questions/986406/how-can-i-convert-an-ldap-user-to-local-user-in-gitlab
https://serverfault.com/questions/759518/create-user-in-gitlab-without-e-mail
https://community.bitnami.com/t/gitlab-admin-prevented-from-loggin-in-on-ldap-setup/12915
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-gitlab-on-ubuntu-16-04
https://community.atlassian.com/t5/Sourcetree-questions/How-to-remove-repository-from-local-without-removing-it-from/qaq-p/186628
https://docs.ansible.com/ansible/latest/modules/gitlab_user_module.html