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In order to check how many IPs are connected to my server I use the command as follows.

sudo awk '{print $1}' /var/log/nginx/access.log | sort | uniq -c | sort -nr

Display unique IP's in second column and the number of times this IP solicited Nginx, like :

23 123.45.6.8
3 34.56.78.4
1 8.9.4.3

I want to have a third column with the localization of this IP. For this I use geoiplookup.

Example of output :

23 123.45.6.8 Netherlands
3 34.56.78.4 England
1 8.9.4.3 Netherlands

Examples of geoiplookup output :

GeoIP Country Edition: US, United States
#or
GeoIP Country Edition: FR, France

So a split at ", " is enough.

How can I transform the precedent output in order to have the localization on third column in one line ?

migrated from serverfault.com Jan 26 '17 at 19:54

This question came from our site for system and network administrators.

  • Please paste an example of what you'd want the single line output to appear as. – steve Jan 26 '17 at 20:08
  • how does the output of geoiplookup looks like (sample)? – George Vasiliou Jan 26 '17 at 22:41
  • I updated the answer – Totem Jan 26 '17 at 23:11
  • Do you mean that the code / one-liner you look for, has to perform geoiplookup to the ips that your existed command returns or the geoiplookup has already done by separate process and there is a kind of geoip log file and all you need is just to pull data out of this log? – George Vasiliou Jan 27 '17 at 16:02
  • Yes, but it's more a bash question. The command I put in my post have an interesting form and I wanted to know if we can transform it in order to make a 3rd column. Pure theoric question. – Totem Jan 27 '17 at 16:21
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sudo awk '{print $1}' /var/log/nginx/access.log | sort | uniq -c | sort -nr | awk '{"geoiplookup "$2" | egrep -o Country.*[A-Z]{2}" | getline line; split(line,a," "); print $1, a[3], $2}'

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