Looking for logging into the Postgres Ubuntu 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 Postgres Ubuntu site. After that you can login as usual with your login credentials.
http://suite.opengeo.org/opengeo-docs/dataadmin/pgGettingStarted/firstconnect.html
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-postgresql-on-ubuntu-16-04
https://www.codepolitan.com/belajar-menggunakan-database-postgresql-di-ubuntu-1604-59f6e0c63f5e4
https://stackoverflow.com/questions/9539001/login-to-postgresql-login-failed
https://alvinalexander.com/blog/post/postgresql/log-in-postgresql-database
https://connect.boundlessgeo.com/docs/suite/4.8/dataadmin/pgGettingStarted/firstconnect.html
https://medium.com/coding-blocks/creating-user-database-and-adding-access-on-postgresql-8bfcd2f4a91e
https://www.a2hosting.com/kb/developer-corner/postgresql/connect-to-postgresql-from-the-command-line
https://www.linode.com/docs/databases/postgresql/how-to-install-postgresql-on-ubuntu-16-04/
https://help.ubuntu.com/lts/serverguide/postgresql.html.en
https://help.ubuntu.com/community/PostgreSQL
https://chartio.com/resources/tutorials/how-to-set-the-default-user-password-in-postgresql/
https://askubuntu.com/questions/423165/remotely-access-postgresql-database