Looking for logging into the Postgresql Command 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 Postgresql Command site. After that you can login as usual with your login credentials.
https://alvinalexander.com/blog/post/postgresql/log-in-postgresql-database
https://www.a2hosting.co.za/kb/developer-corner/postgresql/connect-to-postgresql-from-the-command-line
https://stackoverflow.com/questions/2172569/how-do-i-login-and-authenticate-to-postgresql-after-a-fresh-install
https://www.postgresql.org/docs/10/app-psql.html
http://www.google.co.za/url?url=http://suite.opengeo.org/opengeo-docs/dataadmin/pgGettingStarted/firstconnect.html
https://gist.github.com/Kartones/dd3ff5ec5ea238d4c546
http://www.google.co.za/url?url=http://www.postgresqltutorial.com/psql-commands/
http://www.google.co.za/url?url=http://postgresguide.com/utilities/psql.html
https://chartio.com/resources/tutorials/how-to-set-the-default-user-password-in-postgresql/
http://www.google.co.za/url?url=http://connect.boundlessgeo.com/docs/suite/4.6/dataadmin/pgGettingStarted/firstconnect.html
https://medium.freecodecamp.org/how-to-get-started-with-postgresql-9d3bc1dd1b11
https://www.w3resource.com/PostgreSQL/connect-to-postgresql-database.php
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ConnectToPostgreSQLInstance.html