Looking for logging into the Ubuntu List 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 Ubuntu List site. After that you can login as usual with your login credentials.
https://askubuntu.com/questions/390201/how-to-see-login-history
http://www.google.de/url?url=http://manpages.ubuntu.com/manpages/trusty/man1/who.1.html
http://www.google.de/url?url=http://ubuntuhandbook.org/index.php/2018/04/hide-user-list-ubuntu-18-04-login-screen/
https://blog.scottlowe.org/2016/12/15/disable-user-list-login-ubuntu/
https://ubuntuforums.org/showthread.php%3Ft%3D1329803
https://ubuntuforums.org/showthread.php%3Ft%3D1761863
https://serverfault.com/questions/173044/ubuntu-login-page-where-to-specify-users-list-shown
https://www.digitalocean.com/community/tutorials/how-to-view-system-users-in-linux-on-ubuntu
https://vitux.com/add-and-manage-user-accounts-in-ubuntu-18-04-lts/
https://linuxize.com/post/how-to-list-users-in-linux/
https://www.theurbanpenguin.com/hide-users-ubuntu-login/
https://wiki.ubuntuusers.de/GDM/
https://www.tecmint.com/find-user-account-info-and-login-details-in-linux/