Rdate
From Christoph's Personal Wiki
rdate is a TCP/IP command used to retrieve the date and time from a host or hosts on the network and optionally set the local system time.
Contents
Usage
rdate [options] [host...]
Options
- -l
- Send errors and output to syslogd.
- -p
- Print the retrieved dates.
- -s
- Set the local system time from the host; must be specified by root.
- -t n
- Timeout each retrieval attempt after n seconds.
- -u
- Use UDP instead of TCP.
Example
- e.g. add the following to a file in your /etc/cron.hourly/ dir (after choosing an NTP):
/usr/bin/rdate -s time.nist.gov # or, "time.u.washington.edu", etc.
