Answers for "linux command to check whether some program is running on a port"

39

linux how to see ports in use

# Any of the following
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
sudo nmap -sTU -O IP-address-Here
Posted by: Guest on March-31-2020
5

linux see used ports

netstat -tulpn
Posted by: Guest on September-23-2020

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