Check the occupancy of a certain port in linux,
netstat -apn|grep 3306
netstat : Used to display various network related information, such as network connection, routing table, interface status (Interface Statistics), masquerade connection -a, --all : show all sockets (default : connected) -p, --programs : display the PID/program name of the socket -n, --numeric : don't resolve names grep : used to find qualified strings in the file
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 2067/docker-proxy tcp6 0 0 :::3306 :::* LISTEN 2071/docker-proxy
I hope to help every developer quickly find the commands they need. Of course, you can also add your own commonly used commands for easy searching.