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Full Discussion: Extract IP from logs and
Top Forums Shell Programming and Scripting Extract IP from logs and Post 302778473 by RudiC on Monday 11th of March 2013 04:35:05 AM
Old 03-11-2013
Although not entirely clear about what you want, this
Code:
awk     '{gsub (/:*login:*|:*null:*/,"")
          if (!max[$9] || $4>max[$9]) max[$9]=$4
          if (!min[$9] || $4<min[$9]) min[$9]=$4
         }
         END    {for (i in max) {split (max[i], MX, ":")
                                 split (min[i], MN, ":")
                                 Delta = (MX[1]-MN[1]) * 3600 + (MX[2]-MN[2]) * 60 + MX[3]-MN[3]
                                 print i, min[i], max[i] > ((Delta > 4)?"b":"c")".out"
                                }
                }
        ' OFS="\t" a.out

will list logins with a span larger than 4 sec between earliest and latest access to b.out, and the rest to c.out. It doesn't care if there's four accesses within four sec, indicating a non-human attempt. And, it does NOT take care of periods spanning across midnight - this would open a wide field, then.
 

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lockward(6x)							XScreenSaver manual						      lockward(6x)

NAME
lockward - Rotating spinning color-cycling things SYNOPSIS
lockward [-display displayspec] [-root] [-window] [-visual arg] [-window-id arg] [-delay usec] [-pair] [-fps] [-blink | -no-blink] [-rotateidle-min msec] [-rotateidle-max msec] [-blinkidle-min msec] [-blinkidle-max msec] [-blinkdwell-min msec] [-blinkdwell-max msec] DESCRIPTION
lockward draws a spinning, rotating set of notched wheels overlaid with some flashing effects, using OpenGL. It's a sort of cross between the wards in a combination lock and those old information displays that animated via polarized light. OPTIONS
-visual visual Specify which visual to use. Legal values are the name of a visual class, or the ID number (decimal or hex) of a specific visual. -window Draw on a newly-created window (default). -root Draw on the root window. -delay microseconds Per-frame delay, in microseconds. Default: 20000 (50 frames/sec). -blink | -no-blink Enables/disables the blinking effects. Default: Enabled. -fps Display the current frame rate, CPU load, and polygon count. -rotateidle-min milliseconds -rotateidle-max milliseconds The minimum and maximum time each spinner will sit idle, in milliseconds. Defaults: Min 1000, max 6000. -blinkidle-min milliseconds -blinkidle-max milliseconds The minimum and maximum time between blinking effects, in milliseconds. Defaults: Min 1000, max 9000. -blinkdwell-min milliseconds -blinkdwell-max milliseconds The minimum and maximum dwell time for the blinking effects, in milliseconds. This affects how quickly the blinks actually happen. Defaults: Min 100, max 600. ENVIRONMENT
DISPLAY Default host and display number. XENVIRONMENT Name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property. SEE ALSO
X(1), xscreensaver(1) AUTHORS
Leo L. Schwab <ewhac@best.com> X Version 11 5.15 (28-Sep-2011) lockward(6x)
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