Example usage:

$ check_timestamp -H localhost -w 5 -c 10
TIMESTAMP OK - 0 second time difference|offset=0.230s;5.000;10.000;0

$ check_timestamp --help
check_timestamp 0.1
Copyright (c) 2008 CARNet

This plugin checks the time on the remote machine using ICMP Timestamp packets.


Usage:
check_timestamp -H -w offset -c offset

Options:
-h, --help

Print detailed help screen

-H, --hostname=ADDRESS

Host name or IP address

-w, --warning-offset=INTEGER
Time difference (sec.) necessary to result in a warning status
-c, --critical-offset=INTEGER
Time difference (sec.) necessary to result in a critical status
-v, --verbose
Show details for command-line debugging (Nagios may truncate output)