Show number of connections per remote IP

netstat -antu | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -n
Output contains also garbage (text parts from netstat's output) but it's good enough for quick check who's overloading your server.

By: wejn
2013-04-08 19:46:41

1 Alternatives + Submit Alt

What Others Think

Too much pipe for be a cmd-line fu...
Zulu · 487 weeks and 6 days ago
Note that with the above syntax you'll return 'Address' and 'and' in the results. Also, the use of netstat, and other commands from 'net-tools' should be considered depreciated: awk '{gsub(/dst=/,"") ; print $6}' /dev/null)
khayyam · 487 weeks and 4 days ago
oh, surprise, another command munged by the content management system.
khayyam · 487 weeks and 4 days ago
@khayyam care to explain what else to use besides net-tools? I know I could parse /proc/net/tcp but that hardly seems appropriate.
wejn · 487 weeks and 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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