Adjusting time on a secured FreeBSD machine.
junk-it at dslextreme.com
Sat Feb 5 09:43:51 PST 2005
Thanks as well to both of you. I too learned something new.
Scott Robbins wrote:
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>On Fri, Feb 04, 2005 at 01:41:39PM -0800, Kevin Oberman wrote:
>>>Date: Fri, 4 Feb 2005 16:29:03 -0500
>>>From: Scott Robbins <scottro at nyc.rr.com>
>>>Sender: owner-freebsd-stable at freebsd.org
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>>>They do conflict with each other, I'm not sure what will happen if you
>>>have both in rc.conf. Hopefully ntpdate will run first, then ntpd. If
>>>ntpd is running then you will get an error message running ntpdate.
>>>On an unsecured box (the one that I mentioned, where ntpd choked because
>>>the BIOS clock was too far off, I simply stopped ntpd, ran ntpdate and
>>>then restarted ntpd.
>>They do not conflict if you use the flags in defaults/rc.conf.
>>ntpdate -b sets the time ONCE and is run before ntpd starts, the '-b'
>>option will cause it to to set the time absolutely no matter hao far off
>>the clock is at the time. This is exactly how ntpdate is intended to be
>>That said, ntpdate is considered obsolete by the ntp folks and may
>>disappear at some time in the future. Their recommendation is to use
>>ntpd with the '-g' flag to force an unconditional clock set and to use
>>the 'iburst' option on your servers in /etc/ntp.conf. I find this works
>>well, but some have complained that it takes too long.
>Thank you. I have been using ntpd for awhile, and haven't read the man
>pages recently, which I should have done before posting. I only ran
>into the issue once and solved it as I mentioned.
>Thanks again. I just learned something.
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>Buffy: No, but, see, Mom, that doesn't really work for me. We're
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>Dawn: Yeah, Mom. I'm not going to Hogwarts. (chuckles) Hog-
>(looks at Buffy, who's not amused) Jeez, crack a book sometime.
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