linux see which ports are in use code example
Example 1: linux how to see ports in use
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22
sudo nmap -sTU -O IP-address-Here
Example 2: ports in use linux
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
Example 3: linux how to see ports in use
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22
Example 4: check what ports are open linux
sudo ss -tulw
Example 5: used ports in linux
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:80
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