get ports used linux code example
Example 1: linux how to see ports in use
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22Example 2: netstat command in linux to check specific port
netstat -tulpn | grep :80sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22netstat -tulpn | grep :80