check_pgsql: Invalid hostname/address - relative/path
Usage:
check_pgsql [-H <host>] [-P <port>] [-c <critical time>] [-w <warning time>]
 [-t <timeout>] [-d <database>] [-l <logname>] [-p <password>]
[-q <query>] [-C <critical query range>] [-W <warning query range>]
