Contents
Short Descriptions
calculates optimal value for tick given ntp drift file |
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generates cryptographic data files used by the NTPv4 authentication and identification schemes |
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is useful at boot time, to delay the boot sequence until ntpd has set the time |
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is a ntp daemon that runs in the background and keeps the date and time synchronized based on response from configured ntp servers. It also functions as a ntp server |
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is a client program that sets the date and time based on the response from an ntp server. This command is deprecated |
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is used to query the ntp daemon about its current state and to request changes in that state |
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is a utility program used to monitor ntpd operations and determine performance |
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reads and displays time-related kernel variables |
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traces a chain of ntp servers back to the primary source |
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is a Simple Network Time Protocol (SNTP) client |
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reads, and optionally modifies, several timekeeping-related variables in older kernels that do not have support for precision timekeeping |
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is a script to verify and, if necessary, update the leap-second definition file. NoteIn November 2022, at the 27th General Conference on Weights and Measures, it was decided to abandon the leap second. In addition this script hardcodes a URL for an update file that no longer exists. The last time a leap second was declared was January 2017. This script will probably be removed in a future release. |