List SMTP connections by host

cat /var/log/secure | grep smtp | awk '{print $9}' | cut -f2 -d= | sort | uniq -c | sort -n | tail
Searches /var/log/secure for smtp connections then lists these by number of connections made and hosts.

-2
By: empulse
2009-03-30 15:49:54

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What Others Think

cat *and* grep overload! :-) < /var/log/secure awk ' /smtp/ {print $9}' | cut -f2 -d= | sort | uniq -c | sort -n | tail
mpb · 477 weeks and 4 days ago
This is a perfect example of someone sitting at the terminal hacking and hacking until they get it right, rather than learn the appropriate tool for the job. How about awk? awk '/smtp/ {print $9}' /var/log/messages | cut -f2 -d= | sort -n | uniq | tail
atoponce · 477 weeks and 4 days ago

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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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