sort -s -b -t' ' -k 4.9,4.12n -k 4.5,4.7M -k 4.2,4.3n -k 4.14,4.15n -k 4.17,4.18n -k 4.20,4.21n access.log*

Sort Apache access.log by date and time

Sort Apache access logs by date and time using sort key field feature

0
By: sesom42
2015-07-16 00:22:03

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  • Analyze an Apache access log for the time period with most activity and display the hit count, requesting IP and the timestamp. May help detect a brute force dos attack.


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    cut -d " " -f1,4 access_log | sort | uniq -c | sort -rn | head
    zlemini · 2013-09-20 21:29:32 0

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    grep Mar/2009 /var/log/apache2/access.log | awk '{ print $1 }' | sort -n | uniq -c | sort -rn | head
    allinurl · 2009-03-10 16:46:19 4
  • GoAccess is an open source real-time Apache web log analyzer and interactive viewer that runs in a terminal in *nix systems. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly. http://goaccess.prosoftcorp.com/ Show Sample Output


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    sed -n '/05\/Dec\/2010/,$ p' access.log | goaccess -s -b
    allinurl · 2010-12-13 17:37:33 0
  • Show's per IP of how many requests they did to the Apache webserver


    1
    cat /var/log/apache2/access_logs | cut -d ' ' -f 1 | uniq -c | sort -n
    basvdburg · 2013-09-02 13:04:47 1
  • - excel date compatible with a separate hour field - added a fixed 1 for easier request counter aggregation - split URL in directory, filename, fileext, query - used with tomcat valve with response bytes replaced by elapsed time Show Sample Output


    2
    #(see sample) $ cat x | perl -pe 'BEGIN{ print "TIME;...\n"; } s!(\S+) - (\S+) - \[(\d\d)/(\S\S\S)/(\S+):(\d\d):(\d\d:\d\d) \S+\] "(\S+) (.*/)(\S+)(?:\.([^?]*)(\?\S*)?) HTTP/\S+" (\d+) (\S+)!$3-$4-$5 $6:$7;$6;$2;$1;$8;$13;1;$14;$11;$10;$9;$12;!' > x.csv
    hute37 · 2012-02-10 16:58:50 0
  • This searches the Apache error_log for each of the 5 most significant Apache error levels, if any are found the date is then cut from the output in order to sort then print the most common occurrence of each error. Show Sample Output


    4
    for i in emerg alert crit error warn ; do awk '$6 ~ /^\['$i'/ {print substr($0, index($0,$6)) }' error_log | sort | uniq -c | sort -n | tail -1; done
    zlemini · 2010-04-15 21:47:18 0

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