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Article #908049

Re: Synchronizacja czasu

#908049
From: marrgol
Date: Mon, 10 Mar 2025 11:04
99 lines
3935 bytes
On 2025-03-10 at 10:25 Konto58 wrote:
>> […] w przypadku chrony można synchronizację wymusić poleceniem
>> 'chronyc makestep' bez restartowania serwisu.
> 
> chronyc makestep, powoduje u mnie wyłączenie synchronizacji
> 	System clock synchronized: no

timedatectl kłamie ;-)

# systemctl stop chronyd
                                                             # chronyc
tracking

506 Cannot talk to daemon


# timedatectl

               Local time: Mon 2025-03-10 11:50:43 CET


           Universal time: Mon 2025-03-10 10:50:43 UTC


                 RTC time: Mon 2025-03-10 10:50:43


                Time zone: Europe/Warsaw (CET, +0100)


System clock synchronized: yes


              NTP service: inactive


          RTC in local TZ: no


#

NTP wyłączony, a on mówi, że czas zsynchronizowany?

Niczego nie wyłącza, trzeba po prostu chwilę zaczekać, chrony musi
sobie „pogadać” z serwerem NTP, co zwykle trwa kilkanaście, może
kilkadziesiąt sekund.

> więc trzeba ponownie włączyć
> 	timedatectl set-ntp yes	

Nie, nie trzeba:

# chronyc tracking
Reference ID    : C292FB65 (tempus2.gum.gov.pl)
Stratum         : 2
Ref time (UTC)  : Mon Mar 10 10:54:21 2025
System time     : 0.000139052 seconds fast of NTP time
Last offset     : +0.000480410 seconds
RMS offset      : 0.001001170 seconds


Frequency       : 3.860 ppm fast
Residual freq   : +0.055 ppm
Skew            : 9.495 ppm
Root delay      : 0.015424609 seconds
Root dispersion : 0.002404715 seconds
Update interval : 65.3 seconds
Leap status     : Normal
# chronyc makestep
200 OK
# chronyc tracking
Reference ID    : C292FB65 (tempus2.gum.gov.pl)
Stratum         : 2
Ref time (UTC)  : Mon Mar 10 10:54:21 2025
System time     : 0.000000000 seconds fast of NTP time  <<<<<<<<<<<
Last offset     : +0.000480410 seconds
RMS offset      : 0.001001170 seconds
Frequency       : 3.860 ppm fast
Residual freq   : +0.055 ppm
Skew            : 9.495 ppm
Root delay      : 0.015424609 seconds
Root dispersion : 0.002472336 seconds
Update interval : 65.3 seconds
Leap status     : Normal
# ############ I po minucie: ###########
# chronyc tracking ###### I po minucie:
Reference ID    : C292FB65 (tempus2.gum.gov.pl)
Stratum         : 2
Ref time (UTC)  : Mon Mar 10 10:55:26 2025
System time     : 0.000209958 seconds fast of NTP time
Last offset     : +0.000217637 seconds
RMS offset      : 0.000952284 seconds
Frequency       : 4.393 ppm fast
Residual freq   : +0.106 ppm
Skew            : 7.932 ppm
Root delay      : 0.015424609 seconds
Root dispersion : 0.003129392 seconds
Update interval : 64.2 seconds
Leap status     : Normal
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From: marrgol <marrgol@address.invalid>
Newsgroups: pl.comp.os.linux
Subject: Re: Synchronizacja czasu
Date: Mon, 10 Mar 2025 12:04:17 +0100
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