The following is from my postgres log (log level set to three)
usr/lib/postgresql/bin/postmaster: BackendStartup: pid 353 user www-data db wea ther socket 5 /usr/lib/postgresql/bin/postmaster child[0]: execv(/usr/lib/postgresql/bin/postg res, -p, -d3, -P5, user=<user>, password=<passwd>, -v 65536, weather, ) FindBackend: found "/usr/lib/postgresql/bin/postgres" using argv[0] Usage: /usr/lib/postgresql/bin/postgres [-B nbufs] [-d lvl] ] [-f plantype] [-v protocol] [ -o filename] [-P portno] [-t tracetype] [-x opttype] [-bCEiLFNopQSs] [dbname]