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TIMEDC(8) FreeBSD System Manager's Manual TIMEDC(8)

timed control program

timedc [command [argument ...]]

The timedc utility is used to control the operation of the timed(8) program. It may be used to:
  • Measure the differences between machines' clocks,
  • Find the location where the master time server is running,
  • Enable or disable tracing of messages received by timed(8), and
  • Perform various debugging actions.

Without any arguments, timedc will prompt for commands from the standard input. If arguments are supplied, timedc interprets the first argument as a command and the remaining arguments as parameters to the command. The standard input may be redirected causing timedc to read commands from a file. Commands may be abbreviated; recognized commands are:

[command ...]

[command ...]
Print a short description of each command specified in the argument list, or, if no arguments are given, a list of the recognized commands.

host ...
Compute the differences between the clock of the host machine and the clocks of the machines given as arguments.

[host ...]
Show the master time server for specified host(s).

{ on | off }
Enable or disable the tracing of incoming messages to timed(8) in the file /var/log/timed.log.

host1 [host2 ...]
Asks the daemon on the target host to reset its "election" timers and to ensure that a time master has been elected.

Exit from timedc.

Other commands may be included for use in testing and debugging timed(8); the help command and the program source may be consulted for details.

tracing file for timed
log file for master timed

?Ambiguous command
abbreviation matches more than one command
?Invalid command
no match found
?Privileged command
command can be executed by root only

date(1), adjtime(2), icmp(4), timed(8)

R. Gusella and S. Zatti, TSP: The Time Synchronization Protocol for UNIX 4.3BSD.

The timedc utility appeared in 4.3BSD.
June 6, 1993 FreeBSD 13.1-RELEASE

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