[time-nuts] Simple NTP server based on a Raspberry Pi

[Bob Camp]

Hi

Newark occasionally has Raspberry Pi specific coupons. Their stock status is bogus, but they have mostly shipped within two weeks.\

Bob

On Oct 30, 2012, at 4:55 PM, Joseph Gray <jgray at zianet.com> wrote:

> I ordered mine from MCM Electronics for $35. Still waiting for out.
> On Oct 30, 2012 2:03 PM, "paul swed" <paulswedb at gmail.com> wrote:
> 
>> Thanks was trying to figure out the difference and there was no detail on
>> the $25 version.
>> Look forward to seeing what if anything happens.
>> Regards
>> Paul.
>> 
>> On Tue, Oct 30, 2012 at 4:03 PM, Bob Camp <lists at rtty.us> wrote:
>> 
>>> Hi
>>> 
>>> The target price for the version without Ethernet is $25. The only one
>> you
>>> can get is the higher priced one with Ethernet.
>>> 
>>> There also are some Chinese alternatives in the same general price
>> range...
>>> 
>>> Bob
>>> 
>>> -----Original Message-----
>>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
>>> Behalf Of paul swed
>>> Sent: Tuesday, October 30, 2012 3:53 PM
>>> To: Discussion of precise time and frequency measurement
>>> Subject: Re: [time-nuts] Simple NTP server based on a Raspberry Pi
>>> 
>>> That is pretty interesting. They say they are as low as $25. What I see
>> is
>>> $40.
>>> But they are small and capable so I would guess they could be a good ntp
>>> server. Plus low power and a small blob that can live on the basement
>> wall.
>>> Regards
>>> Paul
>>> 
>>> On Tue, Oct 30, 2012 at 1:08 PM, Pete Lancashire
>>> <pete at petelancashire.com>wrote:
>>> 
>>>> Try to place all files that regularly change, in this case the drift
>>>> file on storage other
>>>> then the SD card. Almost all of these storage devices SD, USB Memory
>> etc
>>>> have
>>>> a limited number of write cycles. Even a 1 MB ram disk is worth the
>>> effort.
>>>> 
>>>> -pete
>>>> 
>>>> On Tue, Oct 30, 2012 at 9:41 AM, Bob Camp <lists at rtty.us> wrote:
>>>>> Hi
>>>>> 
>>>>> One week link on the Pi (at the moment) is file system access.
>> Storage
>>>> is on
>>>>> an SD card and the drivers aren't as optimized as you might like. Not
>>> so
>>>> big
>>>>> a deal for NTP, might be a bigger deal for a web or file server. I
>> have
>>>> not
>>>>> tried USB disks, so no idea how they do.
>>>>> 
>>>>> Bob
>>>>> 
>>>>> -----Original Message-----
>>>>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]
>>> On
>>>>> Behalf Of Chris Albertson
>>>>> Sent: Tuesday, October 30, 2012 12:17 PM
>>>>> To: Discussion of precise time and frequency measurement
>>>>> Subject: Re: [time-nuts] Simple NTP server based on a Raspberry Pi
>>>>> 
>>>>> I've always wondered about the utility of a light duty server.  They
>>>>> are useless unless you have at least one client computer to use it
>> and
>>>>> then it you do have a computer why not simply run the server on that?
>>>>> All NTP installations are both clients and servers.
>>>>> 
>>>>> One reason I asked abut load average is because I thought the Pi
>> might
>>>>> make a good web and file server.  Seems like it might.  Those are
>>>>> services that also need to run 24x7
>>>>> 
>>>>> --
>>>>> 
>>>>> Chris Albertson
>>>>> Redondo Beach, California
>>>>> 
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>>>>> 
>>>>> 
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