[ale] NTP/Chrony time zone persistence

Edward O. Holcroft eholcroft at mkainc.com
Tue Sep 13 21:30:07 EDT 2016


I have used this command to set the timezone (in this case Pacific), but it
does not persist across reboots. Even with ntpd/chrony in place pointing to
an NTP server in the same TZ.

If I run ntpdate it fixes the issue immediately and my AD authentication
works ... until next reboot and it's back on UTC.

I only have this issue on the VM. Same setup on 20 other physical server
works as advertised.

ed


_________________________________________

*Edward O. Holcroft*
IT Operations Manager

*Madsen, Kneppers & Associates, Inc.*
Construction Consultants & Engineers
11695 Johns Creek Parkway, Suite 250
Johns Creek, GA 30097

*O*  770.446.9606  |  *F*  770.446.9612  |  *C*  770.630.0949  |
eholcroft at mkainc.com

www.mkainc.com

On Tue, Sep 13, 2016 at 7:57 PM, Scott M. Jones <eff at dragoncon.org> wrote:

> Are you using timedatectl?  Welcome to the systemd way of doing things...
>
> timedatectl list-timezones
> timedatectl set-timezone [TIMEZONE]
>
> https://www.freedesktop.org/software/systemd/man/timedatectl.html
>
> On 9/13/16 3:31 PM, Edward O. Holcroft wrote:
> > Hi all,
> >
> > I have a Samba server in an AD environment, so time sync with the DC is
> > important for autentication. I have this working fine on many physical
> > servers, but recently added a virtual CentOS 7 box on ESXi6, and cannot
> > get it to stick.
> >
> > First I used NTP, which works immediately when run, but has no
> > persistence through reboots. Then I read that CentOS7 uses chrony, so I
> > changed, but still, after reboot, the client machine is reset to UTC,
> > which it gets from the ESXi host, as it should.
> >
> > I tried setting the ESXi host to point to the local DC for time, but
> > that made no difference to the time zone.
> >
> > Any ideas on how to force time zone persistence? Other than a cron job?
> >
> > ed
>
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