Looking for logging into the Ubuntu Administrator 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 Administrator site. After that you can login as usual with your login credentials.
https://askubuntu.com/questions/91598/how-do-i-login-as-root
https://ubuntuforums.org/showthread.php?t=856397
https://help.ubuntu.com/stable/ubuntu-help/user-admin-change.html.en
https://www.wikihow.com/Become-Root-in-Ubuntu
https://www.cyberciti.biz/faq/ubuntu-linux-root-password-default-password/
https://vitux.com/how-to-change-sudo-password-in-ubuntu/
https://websiteforstudents.com/enable-open-as-administrator-on-ubuntu-16-04-17-10-18-04/
https://www.tecmint.com/enable-and-disable-root-login-in-ubuntu/
https://linuxize.com/post/how-to-create-a-sudo-user-on-ubuntu/
https://www.digitalocean.com/community/tutorials/how-to-create-a-sudo-user-on-ubuntu-quickstart
https://linuxconfig.org/how-to-create-sudo-user-on-ubuntu-18-04-bionic-beaver-linux
https://docs.microsoft.com/en-us/windows/wsl/user-support
https://www.thegeekstuff.com/2009/09/ubuntu-tips-how-to-login-using-su-command-su-gives-authentication-failure-error-message/