It looks like you're making a mistake when building the DSN: constrast yours ("DBI:mysql:$db;host=$host") and the one provided in the documentation of DBD::mysql: 

use DBI;

$dsn = "DBI:mysql:database=$database;host=$hostname;port=$port";

[download]

You're missing the "database=" before $db.

In reply to Re: Connecting to remote db with DBI by ferreira
in thread Connecting to remote db with DBI by dana

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