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phamngsinh/gist:494b8af95ca449da8009e332f87ce101

Created May 8, 2022 16:10
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How to check if port is in use on Linux or Unix
Raw
gistfile1.txt
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo ss -tulpn | grep LISTEN
sudo lsof -i:22 ## see a specific port such as 22 ##
sudo nmap -sTU -O IP-address-Here
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