Looking for logging into the Nis 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 Nis site. After that you can login as usual with your login credentials.
https://www.nis.org.gy/
https://www.nis.org.gy/node/26
https://www.nis.org.gy/user/register
http://nis-egypt.com/lms2018/login/index.php
http://www.yolinux.com/TUTORIALS/NIS.html
https://www.linuxquestions.org/questions/linux-server-73/unable-to-login-to-nis-client-machine-ubuntu-using-nis-login-user-name-653394/
https://serverfault.com/questions/931300/share-nis-login-using-active-directory?rq=1
https://en.wikipedia.org/wiki/Network_Information_Service
https://bugzilla.redhat.com/show_bug.cgi?id=1575297
https://developer.klocwork.com/community/forums/klocwork-general/admin-tools/login-error-when-using-nis
https://forums.opensuse.org/showthread.php/462358
https://ubuntuforums.org/showthread.php?t=1404278
https://books.google.gy/books?id=7ExfDfcLZXsC&pg=PA951&lpg=PA951&dq=nis+login