+----------+----------+----------+----------------------+---------------------+----------------------------------------+
|  STATE   |  RECV-Q  |  SEND-Q  |  LOCAL ADDRESS:PORT  |  PEER ADDRESS:PORT  |                PROCESS                 |
+----------+----------+----------+----------------------+---------------------+----------------------------------------+
|  LISTEN  |       0  |   4,096  |    127.0.0.1:5432    |      0.0.0.0:*      |   users:(("postgres",pid=1337,fd=7))   |
+----------+----------+----------+----------------------+---------------------+----------------------------------------+
|  LISTEN  |       0  |     511  |      0.0.0.0:80      |      0.0.0.0:*      |    users:(("nginx",pid=2048,fd=6))     |
+----------+----------+----------+----------------------+---------------------+----------------------------------------+
|  LISTEN  |       0  |     128  |      0.0.0.0:22      |      0.0.0.0:*      |     users:(("sshd",pid=900,fd=3))      |
+----------+----------+----------+----------------------+---------------------+----------------------------------------+
|  LISTEN  |       0  |   4,096  |   127.0.0.53%lo:53   |      0.0.0.0:*      |   users:(("systemd-resolve",pid=640,   |
|          |          |          |                      |                     |                fd=14))                 |
+----------+----------+----------+----------------------+---------------------+----------------------------------------+

 4 sockets
