#!/bin/sh # # Walt Reinemer # last edit: 04 dec 2004 wmr # # This script is an interface to netdate # usage: setdate noargs # #http://www.loblolly.net/~rddecker/helppages/MiniHOWTOS/systemclock/systemclock-twoclocks.htm # # now to set the system date to the most reliable time server # netdate 129.6.15.28 132.163.4.102 131.107.1.10 207.200.81.113 # see http://www.bldrdoc.gov/timefreq/service/time-servers.html # if [ $# -ne 0 ]; then echo -e "\n usage: setdate no arguments!\n" exit 0 fi xc=0; uzr=$UID ndate( ){ /usr/sbin/netdate 129.6.15.28 132.163.4.102131.107.1.10 207.200.81.113 } while [ $xc -ne 99 ]; do clear trap '' 1 2 3 5 15 24 # lets see what the current date/time is # echo -e "\n CMOS/Hardware date/time: $hwc " # echo -e " Current System date/time: $sys \n" #or if clock is not available #hwclock --show echo -e "\n Sync Time \n =======================\n 1. Yes Set Time\n 2. Check local Time\n 3. Check Network Time\n 4. Compare Both Times\n 5. E X I T M E N U\n =======================\n Enter Valid Number! \n" read xc cmb=$(echo "$xc.$uzr") case $cmb in 1.0 ) ndate echo -e " The Sytem and CMOS/Hardware clock " echo -e " date/time will be set to: " date '+ %a %b %d %T %Y' /sbin/clock -w ;; # set CMOS clock 1.* ) echo -e "\n You are not root user!!\n" read vv ;; 2.* ) hwc=$(/sbin/clock -r) # hardware date/time sys=$(date '+%a %b %d %T %Y') # system date/time echo -e "\n CMOS/Hardware date/time: $hwc " echo -e " Current System date/time: $sys \n" read vv; xc=0 ;; 3.* ) ndate; read vy ;; 4.* ) hwc=$(/sbin/clock -r) # hardware date/time sys=$(date '+%a %b %d %T %Y') # system date/time echo -e "\n CMOS/Hardware date/time: $hwc " echo -e " Current System date/time: $sys \n" ndate read vy ;; 5.* ) echo -e "\n BYE !!!" xc=99 ;; *.* ) echo -e "\n NOT a VALID ENTRY!!!\n" xc=0 ;; esac done # for finding other IPs to use for netdate see the below # see http://www.bldrdoc.gov/timefreq/service/time-servers.html # # Name IP Address Location # time-a.nist.gov ** 129.6.15.28 NIST, Gaithersburg, Maryland # time-b.nist.gov 129.6.15.29 NIST, Gaithersburg, Maryland # time-a.timefreq.bldrdoc.gov 132.163.4.101 NIST, Boulder, Co. # time-b.timefreq.bldrdoc.gov** 132.163.4.102 NIST, Boulder, Co. # time-c.timefreq.bldrdoc.gov 132.163.4.103 NIST, Boulder, Co. # utcnist.colorado.edu 128.138.140.44 University of Co., Boulder # time.nist.gov 192.43.244.18 NCAR, Boulder, Co. # time-nw.nist.gov ** 131.107.1.10 Microsoft, Redmond, Wa. # nist1.datum.com 66.243.43.21 Datum, San Jose, California # nist1-dc.glassey.com 216.200.93.8 Abovenet, Virginia # nist1-ny.glassey.com 208.184.49.9 Abovenet, New York City # nist1-sj.glassey.com 207.126.98.204 Abovenet, San Jose, Ca. # nist1.aol-ca.truetime.com**207.200.81.113 TrueTime, AOL facility, Sunnyvale, Ca. # nist1.aol-va.truetime.com 205.188.185.33 TrueTime, AOL facility, Virginia