#!/usr/bin/perl use strict; my $email = '[email protected]'; open my $PROC, "/proc/loadavg" or die $!; while (<$PROC>) { /(^\d{0,3}).\d{0,}\s(.*)/; my $la = $1; if($la gt 10) { system("top -b -n 2 | /usr/sbin/sendmail -sVPS_LA $email"); } } close $PROC or die $!;