Tried

service postgresql start
[ ok ] Starting PostgreSQL 9.1 database server: main.


Then..
service metasploit start
Configuring Metasploit...
Creating metasploit database user 'msf3'...
Creating metasploit database 'msf3'...
insserv: warning: current start runlevel(s) (empty) of script `metasploit' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `metasploit' overrides LSB defaults (0 1 6).
[ ok ] Starting Metasploit rpc server: prosvc.
[ ok ] Starting Metasploit web server: thin.
[ ok ] Starting Metasploit worker: worker.

I check db_status

postgresql selected, no connection
database not connected, how does this get fixed?