[ale] NTP/Chrony time zone persistence
DJ-Pfulio
DJPfulio at jdpfu.com
Wed Sep 14 10:18:45 EDT 2016
If I'm reading this correctly, the HW clock is working perfectly, as
expected. It just appears to be a display issue - is TZ set correctly?
On 09/14/2016 10:00 AM, Edward O. Holcroft wrote:
> hwclock Wed 14 Sep 2016 06:47:15 AM PDT -0.896088 seconds
> date Wed Sep 14 06:47:23 PDT 2016
>
> Then if I reboot, note how server drops back 3 hrs:
> hwclock Wed 14 Sep 2016 06:49:07 AM PDT -0.364745 seconds
> date Wed Dec 14 03:50:17 PST 2016
>
> Then if I run ntpdate 192.168.50.246 (the IP of the AD DC), I am back to
> the correct time:
> hwclock Wed 14 Sep 2016 06:51:06 AM PDT -0.302285 seconds
> date Wed Sep 14 06:51:14 PDT 2016
>
> In ntp.conf and in chrony.conf I have:
>
> server 192.168.50.246
>
> But it lacks persistence. Chronyd service shows as loaded and active,
> but it's not updating against the DC.
>
> 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 <mailto:eholcroft at mkainc.com>
>
> www.mkainc.com <http://www.mkainc.com>
>
> On Tue, Sep 13, 2016 at 10:34 PM, Scott M. Jones <eff at dragoncon.org
> <mailto:eff at dragoncon.org>> wrote:
>
> What is the output of:
>
> hwclock;date
>
> If this is a virtual, I presume the hwclock time is coming from the
> host OS?
>
> On Sep 13, 2016, at 9:30 PM, Edward O. Holcroft
> <eholcroft at mkainc.com <mailto:eholcroft at mkainc.com>> wrote:
>
>> 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 <tel:770.446.9606> | *F* 770.446.9612
>> <tel:770.446.9612> | *C* 770.630.0949 <tel:770.630.0949> |
>> eholcroft at mkainc.com <mailto:eholcroft at mkainc.com>
>>
>> www.mkainc.com <http://www.mkainc.com>
>>
>> On Tue, Sep 13, 2016 at 7:57 PM, Scott M. Jones <eff at dragoncon.org
>> <mailto: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
>> <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
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org <mailto:Ale at ale.org>
>> http://mail.ale.org/mailman/listinfo/ale
>> <http://mail.ale.org/mailman/listinfo/ale>
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>> <http://mail.ale.org/mailman/listinfo>
>>
>>
>>
>> MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc.
>> WARNING/CONFIDENTIALITY NOTICE: This message may be confidential
>> and/or privileged. If you are not the intended recipient, please
>> notify the sender immediately then delete it - you should not copy
>> or use it for any purpose or disclose its content to any other
>> person. Internet communications are not secure. You should scan
>> this message and any attachments for viruses. Any unauthorized use
>> or interception of this e-mail is illegal.
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org <mailto:Ale at ale.org>
>> http://mail.ale.org/mailman/listinfo/ale
>> <http://mail.ale.org/mailman/listinfo/ale>
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>> <http://mail.ale.org/mailman/listinfo>
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org <mailto:Ale at ale.org>
> http://mail.ale.org/mailman/listinfo/ale
> <http://mail.ale.org/mailman/listinfo/ale>
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
> <http://mail.ale.org/mailman/listinfo>
>
>
>
> MADSEN, KNEPPERS & ASSOCIATES USA, MKA Canada Inc.
> WARNING/CONFIDENTIALITY NOTICE: This message may be confidential and/or
> privileged. If you are not the intended recipient, please notify the
> sender immediately then delete it - you should not copy or use it for
> any purpose or disclose its content to any other person. Internet
> communications are not secure. You should scan this message and any
> attachments for viruses. Any unauthorized use or interception of this
> e-mail is illegal.
>
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
--
Got Linux? Used on smartphones, tablets, desktop computers, media
centers, and servers by kids, Moms, Dads, grandparents and IT
professionals.
More information about the Ale
mailing list