 127.0.0.1:5432
   State          LISTEN
   Recv-Q         0
   Send-Q         4,096
   Peer Address…  0.0.0.0:*
   Process        users:(("postgres",
                  pid=1337,fd=7))

 0.0.0.0:80
   State          LISTEN
   Recv-Q         0
   Send-Q         511
   Peer Address…  0.0.0.0:*
   Process        users:(("nginx",pid=
                  2048,fd=6))

 0.0.0.0:22
   State          LISTEN
   Recv-Q         0
   Send-Q         128
   Peer Address…  0.0.0.0:*
   Process        users:(("sshd",pid=
                  900,fd=3))

 127.0.0.53%lo:53
   State          LISTEN
   Recv-Q         0
   Send-Q         4,096
   Peer Address…  0.0.0.0:*
   Process        users:
                  (("systemd-resolve",
                  pid=640,fd=14))

 4 sockets
