[kittykatt@arch-laptop][~]$ ntpd --help
ntpd - NTP daemon program - Ver. 4.2.6
USAGE: ntpd [ -<flag> [<val>] | --<name>[{=| }<val>] ]...
Flg Arg Option-Name Description
-4 no ipv4 Force IPv4 DNS name resolution
- prohibits these options:
ipv6
-6 no ipv6 Force IPv6 DNS name resolution
- prohibits these options:
ipv4
-a no authreq Require crypto authentication
- prohibits these options:
authnoreq
-A no authnoreq Do not require crypto authentication
- prohibits these options:
authreq
-b no bcastsync Allow us to sync to broadcast servers
-c Str configfile configuration file name
-d no debug-level Increase output debug message level
- may appear multiple times
-D Str set-debug-level Set the output debug message level
- may appear multiple times
-f Str driftfile frequency drift file name
-g no panicgate Allow the first adjustment to be Big
- may appear multiple times
-i Str jaildir Jail directory
-I Str interface Listen on an interface name or address
- may appear multiple times
-k Str keyfile path to symmetric keys
-l Str logfile path to the log file
-L no novirtualips Do not listen to virtual interfaces
-n no nofork Do not fork
-N no nice Run at high priority
-p Str pidfile path to the PID file
-P Num priority Process priority
-q no quit Set the time and quit
-r Str propagationdelay Broadcast/propagation delay
Str saveconfigquit Save parsed configuration and quit
-s Str statsdir Statistics file location
-t Str trustedkey Trusted key number
- may appear multiple times
-u Str user Run as userid (or userid:groupid)
-U Num updateinterval interval in seconds between scans for new or dropped interfaces
Str var make ARG an ntp variable (RW)
- may appear multiple times
Str dvar make ARG an ntp variable (RW|DEF)
- may appear multiple times
-x no slew Slew up to 600 seconds
opt version Output version information and exit
-? no help Display extended usage information and exit
-! no more-help Extended usage information passed thru pager
Options are specified by doubled hyphens and their name
or by a single hyphen and the flag character.
The following option preset mechanisms are supported:
- examining environment variables named NTPD_*
please send bug reports to: http://bugs.ntp.org, bugs@ntp.org
[kittykatt@arch-laptop][~]$