How does chrony compare to ntpd?
If your computer is permanently connected, or connected for long periods (that is, for the several hours it takes ntpd to settle down), or you need to support exotic hardware reference clocks to your computer, then ntpd will work fine. Apart from not supporting many hardware clocks, chrony will work fine too. If your computer connects to the ‘net for 5 minutes once a day (or something like that), or you turn your (Linux v2.0) computer off when you’re not using it, or you want to use NTP on an isolated network with no hardware clocks in sight, chrony will work much better for you. The reason I wrote chrony was that I could not get ntpd to do anything sensible on my PC at home, which is connected to the ‘net for about 5 minutes once or twice a day, mainly to upload/download email and news. Nowadays it is also turned off for 22-23 hours a day, when not in use. I wanted a program which would : – slew the time to correct it when I go online and NTP servers become visible – determine the rat
