MAN page from Old RedHat 7.X clockspeed-0.62-1.i386.rpm
sntpclock
Section: User Commands (1)
Index NAME
sntpclock - check a system's clock through NTP
SYNOPSIS
sntpclockhost DESCRIPTION
sntpclockconnects to an NTP server on
host.
hostmust be a dotted-decimal IP address.
sntpclockprints a 16-byte TAI64NA adjustment that,when added to the local UNIX clock,will produce the TAI clock onhost.sntpclocklimits the adjustment to 2 days.
sntpclockdoes not bind to port 123;this means that it does not need to run as root.Note that some firewalls will not permitsntpclockrequests.
NOTES
An NTP timestamp is a count of non-leap seconds.
sntpclockuses a local leap-second table toconvert the NTP timestamp to TAI with an epoch of1970-01-01 00:00:10 TAI.For a discussion of the difference between UTC and TAI see
http://pobox.com/~djb/proto/utctai.html.
The current NTP time scale will break down in 2036.
SEE ALSO
clockspeed(1),
clockadd(1),
clockview(1),
taiclock(1),
leapsecs(3),
xntpd(8)
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- NOTES
- SEE ALSO
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