Chrony Reviews and Details
This page is designed to help you find out whether Chrony is good and if it is the right choice for you.
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Features & Specs
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Accuracy
Chrony provides excellent accuracy by quickly tracking client clock with frequent corrections, making it ideal for systems with high clock drift.
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Network Conditions
It is effective in unstable network conditions and can handle intermittent connections much better than traditional NTP daemons.
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Startup Synchronization
Chrony quickly synchronizes clocks on startup, which is beneficial for systems that are not on 24/7 and need immediate time accuracy.
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Power Efficiency
It adjusts for systems that go into sleep mode frequently, maintaining accurate time without excessive resource use.
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Security
Chrony’s design considers security to mitigate typical attacks against NTP, providing safer time synchronization solutions.
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Versatility
It operates well in various environments like desktops, laptops, and virtual machines that have different timekeeping characteristics.
Videos
F1 Chrony Chronograph [review] : Is it the best chronograph
Chrony Beta Shooting Chronograph Table Top Review
Chrony Beta Shooting Chronograph Field Test Review
Is Chrony good?
External links
We have collected here some useful links to help you find out if Chrony is good.
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Check the traffic stats of Chrony on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
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Check the "Domain Rating" of Chrony on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Chrony's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
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Check the "Domain Authority" of Chrony on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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The latest comments about Chrony on Reddit. This can help you find out how popualr the product is and what people think about it.
Social recommendations and mentions
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NTP Appliance Guidance
At most I would use servers with a better NTP implementation than classic NTPd. I mostly use Chrony when possible. Then possibly use Google public NTP. Source: over 3 years ago
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Firewall ports for ntp and chrony?
Man pages for both implementations don't tell anything. The chrony.tuxfamily.org FAQs mention that problems can occur behind a firewall, but advice what's required to make it work. Source: almost 4 years ago
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Why is it cron and not Chron?
It's good thing. It's already confusing enough trying to remember which service is cronie and which one is chrony; imagine if the former were chronie instead. Source: about 4 years ago
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Clockwork raises $21M to keep server clocks in sync
How has Chrony not been mentioned here? https://chrony.tuxfamily.org/. - Source: Hacker News / over 4 years ago
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Linux Server time not updating with NTP
I spent a few hours trying to work out why ntpd wasn't working on my newish build (when ntp-client etc worked fine) and ended up ditching ntpd and using chrony instead, worked properly immediately out of the box. YMMV... obv... Source: almost 5 years ago
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PSA: make sure you have an NTP service active to maximize attestation effectiveness
Then, install Chrony. Chrony is a modern NTP service that is claimed to be more accurate than timesyncd that comes bundled with e.g. Ubuntu as a part of systemd. Source: almost 5 years ago
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Increased frequency of missed attestations - Lighthouse
Timedatectl claimed my time was in sync and the NTP service was active, yet in reality it was hundreds of milliseconds slow compared to my laptop's time. I'd consider extending timedatectl with chrony; after using it, I haven't had any issues with missed attestations. This was a pretty handy guide. Source: almost 5 years ago
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Help making a script to pull time from a webserver
Maybe it will help to convince you to ntpd (which is a proper solution here, this one you proposed is... Funny ;-)): as rPi can't store time, it was always booting on 1st Jan 1970 for me and many ntpds were claiming the difference is too big for them so they got confused and existed. Only chrony does the job properly. Maybe try it? Source: about 5 years ago
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Chrony discussion
Is Chrony good? This is an informative page that will help you find out. Moreover, you can review and discuss Chrony here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.