Ntpdate not updating clock effects of teen dating abuse
The value is is rounded to a multiple of 0.2 seconds.
The default is 1 second, a value suitable for polling across a LAN.
Finally, since ntpdate does not discipline the host clock frequency as does ntpd, the accuracy using ntpdate is limited.
Time adjustments are made by ntpdate in one of two ways.
You can easily install NTP (Network Time Protocol, a means of transmitting time signals over a computer network) using the yum command under Red Hat or Cent OS/Fedora Linux server or workstation based systems.
You need to install the following packages: The author is the creator of nix Craft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting.
If ntpdate determines the clock is in error more than 0.5 second it will simply step the time by calling the system settimeofday() routine.
However, it is important to note that ntpdate with contrived cron scripts is no substitute for the NTP daemon, which uses sophisticated algorithms to maximize accuracy and reliability while minimizing resource use.If you are running a kernel from our repository that is older than 184.108.40.206 you shouldn't need to do anything to keep your server at an accurate time.The VPS will sync with the hardware clock, which is syncing from an NTP server itself.Force the time to always be slewed using the adjtime() system call, even if the measured offset is greater than -500 ms.The default is to step the time using settimeofday() if the offset is greater than -500 ms.
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When running ntpdate on a regular basis from cron as an alternative to running a daemon, doing so once every hour or two will result in precise enough timekeeping to avoid stepping the clock.