root@kali:~# service postgresql start [ ok ] starting postgresql 9.1 database server: main. root@kali:~# service metasploit start [ ok ] starting metasploit rpc server: prosvc. [ ok ] starting metasploit web server: thin. [ ok ] starting me
root@kali:~# service postgresql start 
[ ok ] starting postgresql 9.1 database server: main.
root@kali:~# service metasploit start
[ ok ] starting metasploit rpc server: prosvc.
[ ok ] starting metasploit web server: thin.
[ ok ] starting metasploit worker: worker.
msf > db_status 
[*] postgresql connected to msf3
当然，kali已经自带了图形化命令
其实也就是执行了上面的两条命令
msf > db_connect postgres:toor@127.0.0.1/msf3