<strong>sudo lsof -i -P -n</strong>
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemd 1 root 208u IPv4 17471 0t0 TCP *:111 (LISTEN)
systemd 1 root 211u IPv4 17472 0t0 UDP *:111
systemd 1 root 212u IPv6 928 0t0 TCP *:111 (LISTEN)
systemd 1 root 213u IPv6 16625 0t0 UDP *:111
rpcbind 745 _rpc 4u IPv4 17471 0t0 TCP *:111 (LISTEN)
rpcbind 745 _rpc 5u IPv4 17472 0t0 UDP *:111
rpcbind 745 _rpc 6u IPv6 928 0t0 TCP *:111 (LISTEN)
rpcbind 745 _rpc 7u IPv6 16625 0t0 UDP *:111
systemd-n 825 systemd-network 15u IPv4 1107711789 0t0 UDP 192.168.50.90:68
etcd 953 etcd 5u IPv4 31276 0t0 TCP 127.0.0.1:2380 (LISTEN)
etcd 953 etcd 6u IPv4 31278 0t0 TCP 127.0.0.1:2379 (LISTEN)
etcd 953 etcd 11u IPv4 34676 0t0 TCP 127.0.0.1:56316->127.0.0.1:2379 (ESTABLISHED)
etcd 953 etcd 12u IPv4 32361 0t0 TCP 127.0.0.1:2379->127.0.0.1:56316 (ESTABLISHED)
container 959 root 14u IPv4 31989 0t0 TCP 127.0.0.1:43127 (LISTEN)
sudo lsof -i -P -n