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Top Forums UNIX for Dummies Questions & Answers ksh to check second time difference between two servers Post 302814147 by depam on Tuesday 28th of May 2013 09:15:07 PM
Old 05-28-2013
ksh to check second time difference between two servers

I am currently setting up a public key authentication between servers. The goal is to get the date via `ssh hostname date` on all the 4 remote servers , put the value in a text file on the central server and compare the date (specifically seconds) for each server date output to check if time is actually sync. I know there will be a second interval while logging in to the system via ssh and retrieving the time. But I am thinking of a margin like 3 - 5 seconds.

Is there any specific script to compare the output of date command and get the difference of seconds. I am thinking of creating a script to get the seconds via 'cut' command but it easily breaks if it reaches ":00" and the result will be inaccurate.

Thanks.

Last edited by Scott; 06-01-2013 at 03:50 AM.. Reason: Moved thread - Not an AIX issue
 

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NetSDS::Util::DateTime(3pm)				User Contributed Perl Documentation			       NetSDS::Util::DateTime(3pm)

NAME
NetSDS::Util::DateTime - common date/time processing routines SYNOPSIS
use NetSDS::Util::DateTime; print "Current date: " . date_now(); DESCRIPTION
This package provides set of routines for date and time processing. EXPORTED FUNCTIONS
date_now_array([TIME]) Returns array of date items for given date. If source date is not set current date used. date_now([TIME]) Return [given] date as string. 2001-12-23 14:39:53 date_now_iso8601([TIME]) Return date as ISO 8601 string. 20011223T14:39:53Z <http://en.wikipedia.org/wiki/ISO_8601> http://www.w3.org/TR/NOTE-datetime <http://www.w3.org/TR/NOTE-datetime> date_strip(DATE) Trim miliseconds from date. date_date(DATE) Trim time part from date. date_time(DATE) Trim date part from date. time_from_string($string) Return parsed date/time structure. date_from_string($string) Return date from string representation. date_inc([INCREMENT, [TIME]]) Return date incremented with given number of seconds. date_inc_string([INCREMENT, [TIME]]) Return string representation of date incremented with given number of seconds. EXAMPLES
None yet BUGS
Unknown yet SEE ALSO
Date::Parse, Date::Format TODO
Import stuff from Wono project AUTHOR
Valentyn Solomko <val@pere.org.ua> Michael Bochkaryov <misha@rattler.kiev.ua> perl v5.12.4 2011-08-27 NetSDS::Util::DateTime(3pm)
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