name: mydb
host: 127.0.0.1
port: 5432
service: 
Maintenance DB: postgres
username: postgres
password: *

根据类似的问题,我在ubuntu 12.04 LTS下设置了/etc/postgresql/9.1/main/pg_hba.conf文件,如下所示：

local   all             postgres                                md5

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
local   all             all                                     md5
# IPv4 local connections:
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
host    all             all             ::1/128                 md5

host    all             all             localhost               trust

但是当我想连接到服务器时,我得到这个错误：

Error connecting to the server: FATAL: password authentication Failed for user “postgres”
FATAL: password authentication Failed for user “postgres”