Use the *ALTER USER* to change the attributes and permissions of a
*PostgreSQL* database *user*.
In psql do :
# **ALTER USER postgres WITH PASSWORD 'your_password';
Regards
**
Weiwei Guo wrote:
> Yes, I set a password. I'm sure that I used the right password for
> 'postgres'. I can su to 'postgres' with it.
>
> ~ $ createuser -U postgres -W test
> Shall the new role be a superuser? (y/n) n
> Shall the new role be allowed to create databases? (y/n) n
> Shall the new role be allowed to create more new roles? (y/n) y
> Password: <i input password here>
> createuser: could not connect to database postgres: FATAL: password
> authentication failed for user "postgres"
>
>
>
> Tom Lane 写道:
>> Weiwei Guo <wwguocn@gmail.com> writes:
>>> Thank you, Micah and Andrej. I change TRUST to MD5 and password
>>> works mostly, but the user 'postgres' complains "
>>> password authentication failed". Is there any special of 'postgres'?
>>
>> Did you set a password for it?
>>
>> regards, tom lane
>>
>