development:
     adapter: "postgresql"
     database: "msf3"
     username: "msf3"
     password: "testtest"
     port: 7337
     host: "localhost"
     pool: 256
     timeout: 5

  production:
    adapter: "postgresql"
    database: "msf3"
    username: "msf3"
    password: "testtest"
    port: 7337
    host: "localhost"
    pool: 256
    timeout: 5

service postgresql restart
service metasploit restart

msf> db_connect msf3:testtest@127.0.0.1/msf3
msf> db_stats
[*] postgresql selected, no connection

[-] Failed to connect to the database: FATAL:  password authentication failed for user "msf3"

msfdb delete
msfdb init
msfconsole

sudo /opt/metasploit/postgresql/scripts/ctl.sh start postgresql