in reply to
Try changing my $p = Net::Ping->new('udp', $timeout);
to my $p = Net::Ping->new('tcp', $timeout);ormy $p = Net::Ping->new('icmp', $timeout);if you can set the setuid to root (with the icmp).
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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