MySQL Query Log

#!/bin/bash
 
tcpdump -i eth0 -s 0 -l -w - dst port 3306 | strings | perl -e '
while(<>) { chomp; next if /^[^ ]+[ ]*$/;
if(/^(SELECT|UPDATE|DELETE|INSERT|SET|COMMIT|ROLLBACK|CREATE|DROP|ALTER)/i) {
if (defined $q) { print "$q\n"; }
$q=$_;
} else {
$_ =~ s/^[ \t]+//; $q.=" $_";
}
}'
 
#refer http://www.mysqlperformanceblog.com/2008/11/07/poor-mans-query-logging/
#link http://tuxtraining.com/2009/04/14/tcpdump-cheat-sheet