致命：连接到 postgres 时，用户“postgres”的密码身份验证失败

Question

I tried to create server it it says:

Unable to connect to server:

FATAL: password authentication failed for user "postgres"

https://prnt.sc/ric1vl

Answer 1

What operating system are you using? maybe you need to change the password of the postgres user. In my case I use Debian GNU Linux, to change the password of the postgres user, I do it in the following way:

root@alpha:~$ passwd postgres

and then I enter a new password for the user.

Could you also verify that the postgres user has permission to connect to the server? To do this, you can check the pg_hba.config file in the PostgreSQL. installation directory.

root@alpha:~$ nano /etc/postgresql/11/main/pg_hba.conf

By default PostgreSQL, only allows connections from local addresses (localhost)

Answer 2

1. Make sure to have your local postgres server running

2. Hit pgadmin tool connect to server and to create database

3. Right-click on the server button to your left, select create then server, insert name of the server, make sure it is as descriptive as possible, that way you can find your way back to if you remember

4. Move to connection tab; host name is the server where the SQL database is running, most likely you will be starting with your machine as database(db), insert localhost or 127.0.0.1.

   leave default port as it is '5432' maintenance db leave as 'postgres' username leave as default 'postgres' password : same as you registered with during installation

To your left, you should see the database under 'server', you should see the postgres default created underlink databases.

Right click on the databases button and select create, then database, insert your descriptive database name, click save.

Click on your new database, roll down, highlight Schema, go to Tools, select Query Tool...

You can go ahead to create or import tables as you deem fit.

EMPHASIS SHOULD BE ON THE PASSWORD, IT MUST BE SAME AS USED DURING INSTALLATION