Just a little bit of sample code.

~/devel2/mysql2pgsql$ ./my2pg.py --mysql-user=timb --mysql-password=timb_password --pg-user=drupal --pg-password=drupal_password pc015 tbruce57 pc015 tbruce
 
$ psql -h pc015 -U timb -W tbruce
 
$ ./my2pg.py --mysql-user=timb --mysql-password=timb_passworrd --pg-user=pg_user --pg-password=pg_password pc015 horoscope pc015 horoscope

Reference: http://www.togaware.com/linux/survivor/Remote_Host.shtml