So, the final password string would look something like this md55fad6e9567aea4a2475b167de8e8cb07. Next step is to create a database and grant access to the user craig craig CREATE DATABASE pgguide. 4 Answers Sorted by: 68 Do it in a single statement within psql: CREATE ROLE username WITH LOGIN SUPERUSER PASSWORD 'password' e. That is, if the user is userName and password is userPassword then the correct password string would be the md5 hash of userPassworduserName with the string md5 added to the beginning of that string. New user craig is created with password Password. The method of encryption is determined by the configuration parameter passwordencryption. The ENCRYPTED keyword has no effect, but is accepted for backwards compatibility. If we were to use the md5 method to login the user, we would need to hash the password in a certain way and use that string as a password for login. 1 Answer Sorted by: 8 The password is encrypted according to the documentation: The password is always stored encrypted in the system catalogs. Create a new user: CREATE USER username WITH PASSWORD yourpassword 2. Remember to replace newuser and password with your desired username and password. I changed md5 to trust and was able to use the user password to login to the database using pgAdmin. How to add a Read-Only User to a PostgreSQL Database 1. 1 CREATE ROLE newuser WITH LOGIN PASSWORD password This command will create a new role named newuser with the ability to log in and a password of password. The method of authentication specified in file /etc/postgresql//main/pg_hba.conf was md5. In my case, the error was due to the method used to authenticate the newly created user. When we try logging in using the created user and password we may get the error: password authentication failed for user. Enter fullscreen mode Exit fullscreen mode
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