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radub/who is listening on port xxxx

Created February 12, 2021 13:54
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who is listening on port xxxx
# who is listening on port xxxx
listening() {
if [ $# -eq 0 ]; then
sudo lsof -iTCP -sTCP:LISTEN -n -P
elif [ $# -eq 1 ]; then
sudo lsof -iTCP -sTCP:LISTEN -n -P | grep -i --color $1
else
echo "Usage: listening [pattern]"
fi
}
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