Questions tagged [chrony]

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Check ntp server authentication with chronyd client

Is there an alternative for ntpq -c as, while using chronyd as client? While using ntpd as client, ntpq -c as provides details about authentication of client to server using keys.
14
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3answers
2k views

chrony vs. systemd-timesyncd – What are the differences and use cases as NTP clients?

Somehow but not quite building upon the older question "ntpd vs. systemd-timesyncd - How to achieve reliable NTP syncing?", I'd like to ask about the differences between chrony and systemd-timesyncd ...
0
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1answer
749 views

Chrony client do not change system and hardware date

Context Centos 7 chronyd (chrony) version 3.1 Issue I am encountering an issue with chonyd and server date. First, change current date to old date I changed the hardware clock date from the ...
0
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1answer
171 views

Is there any way to prevent chrony stratum plus one?

When using chrony, I synchronize the time from the clock source of stratum=2. Is there any way to prevent my machine from stratum=3, but stratum is equal to 2? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~...
1
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0answers
99 views

Chrony connectivity is lost after 10 to 15 mints

I have used for logging sensor data while not connected to the Internet.I want to use a GPS receiver for the time. I would like to use gpsd and chrony to achieve this. here is my chrony.conf file. # ...
-1
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1answer
73 views

when chrony sync time wtih local,why the Last Sample is not zero?

Linux version:Centos 7 chrony version :3.2 chrony.conf: driftfile /var/lib/chrony/drift local stratum 10 server localhost rtcsync makestep 1.0 3 logdir /var/log/chrony ...
0
votes
1answer
203 views

Time gets 3 hours forward always on midnight

Every time I sync the time on a CentOS 7 (Scientific Linux 7) server virtualized on VMware ESXi, I arrive the next day to find that the time gets 3 hours forward. I did a cronjob to write the time ...
0
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0answers
719 views

chrony not updating the server time properly in Centos 7

I am using chrony for NTP time synchronization for my Centos 7 server. some time I notice some servers time is not correct, I have to use ntpdate command to correct the time. I have below ...
0
votes
1answer
553 views

CentOS 7 timedatectl does not work properly with chronyd

In order to have timedatectl NTP enabled and synchronized to be yes, I had to disable chronyd, stop ntpd, perfrom ntpdate, then start ntpd. After that I can get NTP enabled and synchronized in ...
6
votes
2answers
7k views

Chrony 3.1 refuses to sync with ntp server

I have 70 machine with CentOS 7.2 and chrony version 2.1.1 syncing perfect with my NTP server protocol v3. Recently I added 30 machines with CentOS 7.4 and chrony version 3.1, but these 30 machines ...
1
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0answers
2k views

Chrony does not want to synchronize

I am trying to deploy an ntp server in my local network, so I followed these steps (i used the tutorial here): apt install chrony And I added the following lines: server time.google.com iburst ...
9
votes
2answers
5k views

Difference between chronyd and ntpd

What is the difference between chronyd and ntpd? I know that ntpd can gradually adjust the time so that it can converge gradually to the the reference clock. Can this be done with chrony?
3
votes
1answer
6k views

Chrony 506 Cannot talk to daemon

I'm having trouble configuring chrony to sync the time between my raspberry pi and a desktop computer in an isolated network. My raspberry pi's chrony.config file looks like this: server master ...