+--------+--------+--------+--------------------+-----------------+------------+
| STATE  | RECV-Q | SEND-Q | LOCAL ADDRESS:PORT |  PEER ADDRESS:  |  PROCESS   |
|        |        |        |                    |      PORT       |            |
+--------+--------+--------+--------------------+-----------------+------------+
| LISTEN |      0 |  4,096 |   127.0.0.1:5432   |    0.0.0.0:*    |   users:   |
|        |        |        |                    |                 | (("postgre |
|        |        |        |                    |                 |  s",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
