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  1. #1

    server date time change on every boot


    HI

    I have centos 5.8 everytime when I reboot the system Its time get change to MST or other zone.

    then I manually do it by

    cp /usr/share/zoneinfo/Asia/Calcutta /etc/localtime

    and its showing the IST time.

    what sud i required to do solve this issue. !!!

  2. #2
    once booted into Linux, what does the command hwclock show? This command reads the actual BIOS hardware clock.
    You should check your hardware time.

    Thanks

  3. #3
    hi

    hwclock

    Wed 01 May 2013 04:53:40 PM IST -0.500316 seconds

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  5. #4
    Is it the time after server reboot, have you configured ntp on your server. and also check /etc/adjtime.
    The system clock is set from the hardware clock from systemd, dependent on values in /etc/adjtime. Hence, having the hardware clock using localtime may cause some unexpected behavior during the boot sequence.

    Thanks

  6. #5
    hi

    hwclock

    Wed 01 May 2013 04:53:40 PM IST -0.500316 seconds

  7. #6
    hi

    is it possible to change the hwclock via command ?/?/

    see I want to set it with the system time current system time is

    Wed May 1 17:34:16 IST 2013

    hwclock

    Wed 01 May 2013 05:34:35 PM IST -0.812994 seconds


    I have tried the following command also but not changes the hwclock value
    hwclock -- --systohc

  8. #7
    Quote Originally Posted by niraj.vara View Post
    hi

    I have tried the following command also but not changes the hwclock value
    hwclock -- --systohc
    I think Its a typo, you are using double "-- --" try it as below:
    Code:
    hwclock --systohc
    or
    Code:
    hwclock -w
    Thanks

  9. #8
    Note that CentOS calls hwclock at system start-up, usually in the script /etc/rc.sysinit. You can grep it for hwclock. Usually it is something like this:

    Code:
    hwclock --hctosys

  10. #9
    Hi

    Today when I checked the hwclock then its showing the same as system time. means earlier command works. might be its taking times to reflect.

  11. #10
    Hello Niraj,

    It will be great if your issue has resolved. Keep us updated what you experienced with time intervals.

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