[CentOS] HOWTO Stratum 1 NTP server under CentOS 7

Fri Dec 12 15:12:44 UTC 2014
Nux! <nux at li.nux.ro>

The right thing to do next is to ask for this change upstream, so people can get regular updates and stay secure.

Lucian

--
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

----- Original Message -----
> From: "xaos" <xaos at darksmile.net>
> To: centos at centos.org
> Sent: Friday, 12 December, 2014 14:55:12
> Subject: Re: [CentOS] HOWTO Stratum 1 NTP server under CentOS 7

> Alexander,
> 
> First off, CentOS7 came with cronyd. Which was very annoying
> because when I tried to remove it, it had 2 prereqs:
> anaconda
> initial-setup
> 
> Now, I don't know why the setup program kept these
> 2 around. I think CentOS7 needs a bit growing up.
> 
> Anyway, I disabled chrony:
> systemctl disable time-sync
> systemctl stop time-sync
> 
> Then I installed ntp. However, when I started it
> it seems that it was not compiled with: --enable-all-clocks
> 
> So, I downloaded the latest and re-compiled with:
> 
> ./configure --with-crypto --enable-all-clocks --enable-step-slew
> 
> I built it as per the document and everything looks good
> 
> -G
> 
> On 12/12/2014 04:29 AM, Alexander Dalloz wrote:
>> Am 11.12.2014 um 21:57 schrieb xaos:
>>> Hello everyone,
>>>
>>> If anyone is interested, I have created a HOWTO
>>> on running a Motorola GPS receiver connected to
>>> a CentOS 7 box via serial port (com1),
>>> with 1PPS over DCD.
>>>
>>> The trick here is that CentOS 7 uses systemd
>>> and setup was a bit different. Anyway,
>>> everything works.
>>>
>>> The result is a highly accurate NTP server, Stratum 1.
>>>
>>> Here is the documentation.
>>>
>>> http://www.maximaphysics.com/Centos_7_GPS_Setup.html
>>>
>>> Let me know if something does not look right.
>>>
>>> -George, N2FGX
>>
>> Hello George,
>>
>> thanks for the interesting article.
>>
>> Mind you one question: why did you replace the NTPd shipping with
>> CentOS 7 by a source compilation? Is the NTPd version provided by
>> CentOS lacking some important feature for that usecase?
>>
>> Regards
>>
>> Alexander
>>
>>
>> _______________________________________________
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> 
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