sudo ss -tulpn
[sudo] password for adminlocal:
Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
udp UNCONN 0 0 0.0.0.0:631 0.0.0.0:* users:(("cups-browsed",pid=1109,fd=7))
udp UNCONN 0 0 0.0.0.0:5353 0.0.0.0:* users:(("avahi-daemon",pid=899,fd=12))
udp UNCONN 0 0 0.0.0.0:54639 0.0.0.0:* users:(("firefox",pid=2400,fd=127))
udp UNCONN 0 0 0.0.0.0:55212 0.0.0.0:* users:(("firefox",pid=2400,fd=145))
udp UNCONN 0 0 0.0.0.0:56993 0.0.0.0:* users:(("firefox",pid=2400,fd=164))
udp UNCONN 0 0 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=885,fd=13))
udp UNCONN 0 0 192.168.0.121%eno1:68 0.0.0.0:* users:(("systemd-network",pid=883,fd=18))
udp UNCONN 0 0 0.0.0.0:32857 0.0.0.0:* users:(("avahi-daemon",pid=899,fd=14))
udp UNCONN 0 0 [::]:5353 [::]:* users:(("avahi-daemon",pid=899,fd=13))
udp UNCONN 0 0 [::]:47122 [::]:* users:(("avahi-daemon",pid=899,fd=15))
tcp LISTEN 0 128 0.0.0.0:22 0.0.0.0:* users:(("sshd",pid=1080,fd=3))
tcp LISTEN 0 128 127.0.0.1:631 0.0.0.0:* users:(("cupsd",pid=1101,fd=7))
tcp LISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=885,fd=14))
tcp LISTEN 0 200 127.0.0.1:5432 0.0.0.0:* users:(("postgres",pid=1081,fd=6))
tcp LISTEN 0 511 *:80 *:* users:(("apache2",pid=1096,fd=4),("apache2",pid=1095,fd=4),("apache2",pid=1093,fd=4))
tcp LISTEN 0 128 [::]:22 [::]:* users:(("sshd",pid=1080,fd=4))
tcp LISTEN 0 128 [::1]:631 [::]:* users:(("cupsd",pid=1101,fd=6))