Questions tagged [systemd-timesyncd]

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Why output of command timedatectl list-timezones is only UTC?

In my Yocto distribution is installed the systemd-timesyncd service and the program timedatectl. I have configured a UTC NTP Server in the file /etc/systemd/timesyncd.conf. The systemd-timesyncd ...
User051209's user avatar
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What's the policy synchronization with the NTP Server of the service systemd-timesyncd?

In my Linux distribution is enabled the service systemd-timesyncd.service. Below it is shown the /etc/systemd/timesyncd.conf file (see this post for find the following command): [Time] #NTP= #...
User051209's user avatar
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What's the default NTP server used by systemd-timesyncd?

In my Linux distribution is enabled the service systemd-timesyncd. Very useful to understand how the service works is this post answer. Below I report some system information about this service: its ...
User051209's user avatar
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Linux guest on Hyper-V host, realtime clock, UTC or local - sync with AD DC

I'm installing a Debian 11 Linux guest on a Hyper-V cluster. Hosts' realtime clocks are set to local time, as is the norm for Windows Servers; unlike the preference of Unix-like OSes. Should I execute ...
Krackout's user avatar
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2 answers
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What does "systemd-timesyncd: Network configuration changed, trying to establish connection mean"?

I'm trying to debug some network connection issues and I see: systemd-timesyncd: Network configuration changed, trying to establish connection. in syslog. I've tried to google it but I can't find a ...
skwokie's user avatar
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4 votes
3 answers
4k views

systemd-timesyncd requires incoming ephemeral ports opened

I'm trying to get some sort of time synchronization configured for a Ubuntu server. The server is behind a cloud-provider-stateless firewall. Through some trial and error I found out that in order for ...
Martin Melka's user avatar
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1 answer
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Timesyncd not syncing with ntp server

I am using a embedded board which runs a DHCP client with systemd-networkd service. Here I have requirement to fetch ntp server with option 42 and synchronize time from it for every 32 seconds. I was ...
Jyothi K's user avatar
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How to get clock accuracy for systemd-timesyncd

I am trying to identify how accurately my clock has been synced using systemd-timesyncd. I ran the following command however there is a lot of information and it isn't abundantly clear what one is the ...
Kevin Cox's user avatar
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1 answer
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Ubuntu 20.04 time sync problems and possibly incorrect status information

I have been having some problems with crashes on my KVM host (Lubuntu 20.04), and when troubleshooting, I noticed some time-related errors. Upon further investigation, to my horror, I saw that time ...
Stonecraft's user avatar
2 votes
0 answers
380 views

What is the packet count in timedatectl timesync-status command

I am trying to understand the output from the timedatectl timesync-status with an example shown below: Server: 91.149.91.123 (ntp.ubuntu.com) Poll interval: 32s (min: 32s; max 34min 8s) Leap:...
Tony.H's user avatar
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NTP reach property equivalent for timedatectl command

The ntpq -p command returns information which includes the reach and when properties as shown in the example: remote refid st t when poll reach delay offset jitter ==========...
Tony.H's user avatar
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42 votes
5 answers
142k views

Force systemd timesyncd to sync time with NTP server immediately

I've configured systemd timesyncd to get it's time from a NTP server: /etc/systemd/timesyncd.conf > NTP=ca.pool.ntp.org systemctl restart systemd-timesyncd.service timedatectl set-ntp true The ...
manifestor's user avatar
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3 votes
2 answers
8k views

Why is dbus-org.freedesktop.timedate1 started so frequently?

I have some Ubuntu 18.04.1 servers. They all show this service being started rougly every 10 minutes. Jan 7 06:29:05 csrf-prod1-vm dbus-daemon[434]: [system] Activating via systemd: service name='...
OrangeDog's user avatar
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