using the date command

jekillen jekillen at prodigy.net
Sun Sep 30 16:16:52 PDT 2007


On Sep 30, 2007, at 12:48 AM, Bruce Cran wrote:

> Brian A. Seklecki wrote:
>> To set time:
>>
>> $ sudo /usr/sbin/ntpdate pool.ntp.org
>> 29 Sep 23:48:31 ntpdate[9404]: adjust time server 66.250.45.2 offset
>> 0.001289 sec
>>
> ntpdate is deprecated, you should use "ntpd -q" instead if you want 
> ntpd to set the time once then exit.  From ntpdate(8):
>
> Note: The functionality of this program is now available in the ntpd(8)
>     program.  See the -q command line option in the ntpd(8) page.  
> After a
>     suitable period of mourning, the ntpdate utility is to be retired 
> from
>     this distribution.
>
> Also, ntpd wil refuse to update the time if the delta is more than 
> 1000s by default, but you can use the -g option to override this.   To 
> set the date to within a reasonable delta, use something like "date 
> 200709282027".  If you want to set the time more accurately using NTP, 
> edit /etc/ntp.conf and add "server pool.ntp.org" to it.  Save it then 
> run "ntpd -q".  If you need to configure the time zone, an easy way to 
> do this is to run sysinstall and select "Configuration --> Time Zone".
>> To date info about your timezone settings:
>>
>> $ zdump /etc/localtime /etc/localtime  Sat Sep 29 23:49:19 2007 EDT
>>
>> Options:
>>
>> $ ls /usr/shaoneinfo/ | egrep -v "^d"
>> total 78
>> -rw-r--r--   1 root  wheel    755 Aug 22 11:11 CET
>> -rw-r--r--   1 root  wheel    837 Aug 22 11:11 CST6CDT
>> -rw-r--r--   1 root  wheel    679 Aug 22 11:11 EET
>> -rw-r--r--   1 root  wheel     56 Aug 22 11:11 EST
>> -rw-r--r--   1 root  wheel    837 Aug 22 11:11 EST5EDT
>> [...]
>>
>> To set timezone:
>>
>> $ ln -s /share/zoneinfo/$WHATEVER /etc/localtime
>>
>> For you probably PST8PDT.
>>
>> For your best NTP experience, use OpenNTP from
>> ports: /usr/ports/net/openntpd/
>>
>> ~BAS
>>
>>
>>
>> On Sat, 2007-09-29 at 20:33 -0700, jekillen wrote:
>>
Thanks, more very helpful info;
Jeff K



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