Difference between revisions of "Ntp"
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NTP is the network time protocol. It allows you to fetch the current date/time from an internet time server. You can also use it to provide a network time service. | NTP is the network time protocol. It allows you to fetch the current date/time from an internet time server. You can also use it to provide a network time service. | ||
| + | |||
| + | = Synchronize time = | ||
| + | To sync the time with the time server ''ntp.company.com'' use the [[command]] | ||
| + | sntp -P no -r ''ntp.company.com'' | ||
= Show time offset from time server = | = Show time offset from time server = | ||
Revision as of 09:58, 15 October 2012
NTP is the network time protocol. It allows you to fetch the current date/time from an internet time server. You can also use it to provide a network time service.
Synchronize time
To sync the time with the time server ntp.company.com use the command
sntp -P no -r ntp.company.com
Show time offset from time server
# sntp timeserver.mycompany.com 2011 Aug 16 13:59:55.000224 + 0.000137 +/- 0.002426 secs
Query status
# /etc/init.d/ntp status
remote refid st t when poll reach delay offset jitter
==============================================================================
*timehost1.local .PPS. 1 u 356 1024 377 1.404 0.049 0.154
Checking for network time protocol daemon (NTPD): running
Configure it
Edit /etc/ntp.conf, add your time server like this:
server myserver.domain
