[Linux] Port 를 listen하고 있는 프로그램 찾기

# netstat -tnlp | grep 3306

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name

tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN     25938/mysqld

# ps aux | grep 25938

mysql    25938  0.0  0.1 727292  3076 ?        Sl    2015 191:38 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock

# whereis mysqld

mysqld: /usr/libexec/mysqld /usr/share/man/man8/mysqld.8.gz