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

Joseph Gray jgray at zianet.com
Tue Oct 30 16:55:12 EDT 2012


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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