On Sun, 2023-02-19 at 16:22 -0800, ToddAndMargo via users wrote: > All these years I never knew how to trace down > what program was using what port in Linux. > I now have it written down! netstat is another one, netstat -antu Will show what TCP (t) and UDP (u) ports are active (a) [open and listening] by numerical (n) values only. Remove the n, and they'll be shown by names (resolving the IP addresses and showing the usual names for known port numbers). Adding more options, like "netstat -antuevp" will show extra information, such as which programs are using those ports. -- uname -rsvp Linux 3.10.0-1160.83.1.el7.x86_64 #1 SMP Wed Jan 25 16:41:43 UTC 2023 x86_64 Boilerplate: All unexpected mail to my mailbox is automatically deleted. I will only get to see the messages that are posted to the mailing list. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue