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In UNIX OS, how can I find the port number when i know the process name or pid ?

user1857216
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2 Answers2

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netstat -pl | grep NAME_OR_PID
Chris Eberle
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  • specifying the -p flag is usually followed by the protocol – Emmanuel John Jan 12 '14 at 22:31
  • @unekwu incorrect. Go read the man page. `-p, --program: Show the PID and name of the program to which each socket belongs.` You're thinking of `--protocol` which is different. – Chris Eberle Jan 14 '14 at 03:30
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    I get `netstat: l: unknown or uninstrumented protocol` when I run this on my computer – Emmanuel John Jan 14 '14 at 05:45
  • @unekwu then you have a non-standard netstat implementation. Mine is part of the "net-tools 2.10 alpha" suite, running under Arch Linux. – Chris Eberle Jan 14 '14 at 21:44
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    I see. Its different for OSX. I tried to upvote but it says I can't upvote until it is edited. If you include it doesn't work for mac, I'll upvote again. – Emmanuel John Jan 17 '14 at 14:27
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ss -plnt | grep PID | gawk '{print $4}' | sed -e 's/[^0-9]//g'

Madhura Arun
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