Re: [ntp:questions] NTP configuration

2008-09-12 Thread Nero Imhard
David Woolley schreef: Sami al flaish wrote: I have a problem with the NTP. 1- I am using machine where the timezone set to (GMT) Casablanca mandatory. Morocco is no longer on GMT in Summer. I'm afraid you're only confusing the issue. (GMT) Casablanca probably refers to a timezone

Re: [ntp:questions] NTP configuration

2008-09-12 Thread Martin Burnicki
Nero Imhard wrote: To the OP: Do not get confused, but please, please, please understand that NTP has no business at all with local time If I read the initial posting again it seems to me the OP wants to set the computer's time zone to UTC (On my Windows 2000 system Casablanca is labelled

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Martin Burnicki
Bill, Bill Unruh wrote: A question has arisen in another group-- What happens if, when ntp starts up, the remoter server is unavailable ( eg no DNS or no connection)? This is highly likely to be the case for a laptop for example, where the connection with the local network is only brought up

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Terje Mathisen
Uwe Klein wrote: Steve Kostecke wrote: The GPS 18 LVC costs less than $70. Add to that the time for someone to work out the wiring and solder up the connector (well under an hour for a competant tech). If you ask Garmin Europe for a quote : ~190Euro + VAT Grrr. Huh??? I bought (i.e.

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Terje Mathisen
Richard B. Gilbert wrote: Hal Murray wrote: The Garmin GPS 18 LVC is popular. Some assembly required. (aka soldering) No big deal if somebody has a soldering iron handy. There are a couple of links from here: http://support.ntp.org/bin/view/Support/InexpensiveOemGps You will need a

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Uwe Klein
Terje Mathisen wrote: Uwe Klein wrote: Steve Kostecke wrote: The GPS 18 LVC costs less than $70. Add to that the time for someone to work out the wiring and solder up the connector (well under an hour for a competant tech). If you ask Garmin Europe for a quote : ~190Euro + VAT Grrr.

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Richard B. Gilbert
Terje Mathisen wrote: Richard B. Gilbert wrote: Hal Murray wrote: The Garmin GPS 18 LVC is popular. Some assembly required. (aka soldering) No big deal if somebody has a soldering iron handy. There are a couple of links from here:

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Unruh
Steve Kostecke [EMAIL PROTECTED] writes: On 2008-09-11, Bill Unruh [EMAIL PROTECTED] wrote: A question has arisen in another group-- What happens if, when ntp starts up, the remoter server is unavailable ( eg no DNS or no connection)? This is highly likely to be the case for a laptop for

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Unruh
Uwe Klein [EMAIL PROTECTED] writes: Steve Kostecke wrote: The GPS 18 LVC costs less than $70. Add to that the time for someone to work out the wiring and solder up the connector (well under an hour for a competant tech). If you ask Garmin Europe for a quote : ~190Euro + VAT Grrr. Wow!

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Unruh
Martin Burnicki [EMAIL PROTECTED] writes: Bill, Bill Unruh wrote: A question has arisen in another group-- What happens if, when ntp starts up, the remoter server is unavailable ( eg no DNS or no connection)? This is highly likely to be the case for a laptop for example, where the connection

Re: [ntp:questions] Finding out where ntpd gets its ntp.conf file

2008-09-12 Thread Joseph Gwinn
In article [EMAIL PROTECTED], Bill Unruh [EMAIL PROTECTED] wrote: Joseph Gwinn [EMAIL PROTECTED] writes: In article [EMAIL PROTECTED], [EMAIL PROTECTED] (Hal Murray) wrote: I'm not a sysadmin, but am digging into service. I don't recall that the service man page was that helpful,

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Uwe Klein
Hal Murray wrote: There are a lot of low cost USB GPS gizmos that use the SiRF Star III. They suck for timekeeping. Is there a reason known for this? uwe ___ questions mailing list questions@lists.ntp.org

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Evandro Menezes
On Sep 12, 8:31 am, Unruh [EMAIL PROTECTED] wrote: Sounds great. So, let me say I have pool.ntp.org as a server. when my system comes up (a desktop) the network interface is there, but the dns server is still dead, and the gateway is still dead. Ie, no address for pool can be gotten from dns.

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Terje Mathisen
Uwe Klein wrote: Hal Murray wrote: There are a lot of low cost USB GPS gizmos that use the SiRF Star III. They suck for timekeeping. Is there a reason known for this? No PPS signal. Terje -- - [EMAIL PROTECTED] almost all programming can be viewed as an exercise in caching

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Terje Mathisen
Richard B. Gilbert wrote: Terje Mathisen wrote: Using a USB port for the +5V line is the canonical solution: Very cheap, dependable, and no extra wall warts. Terje I have read claims here that the high and unpredictable latencies in USB render it useless for time keeping! Sure, but

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Steve Kostecke
On 2008-09-12, Evandro Menezes [EMAIL PROTECTED] wrote: On Sep 12, 8:31 am, Unruh [EMAIL PROTECTED] wrote: Sounds great. So, let me say I have pool.ntp.org as a server. when my system comes up (a desktop) the network interface is there, but the dns server is still dead, and the gateway is

Re: [ntp:questions] Finding out where ntpd gets its ntp.conf file

2008-09-12 Thread Hal Murray
No I suspect you ran /usr/sbin/ntpd, not /etc/init.d/ntpd /etc/init.d/ntpd start should do EXACTLY the same thing as when the system runs it on bootup. If I recall, the line that worked was /etc/init.d/ntpd -c filename of our ntp.conf file. I don't recall that sbin was involved. Running

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Harlan Stenn
In article [EMAIL PROTECTED], Unruh [EMAIL PROTECTED] writes: Unruh Steve Kostecke [EMAIL PROTECTED] writes: On 2008-09-11, Bill Unruh [EMAIL PROTECTED] wrote: A question has arisen in another group-- What happens if, when ntp starts up, the remoter server is unavailable ( eg no DNS or no

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Dave Close
David Woolley [EMAIL PROTECTED] writes: Dave Close wrote: What I haven't found while reading is how it is possible for a server to be both reachable and rejected. Note that the reject condition is not That's quite easy, but I can't see a case which applies here (using a not recently

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Unruh
Harlan Stenn [EMAIL PROTECTED] writes: In article [EMAIL PROTECTED], Unruh [EMAIL PROTECTED] writes: Unruh Steve Kostecke [EMAIL PROTECTED] writes: On 2008-09-11, Bill Unruh [EMAIL PROTECTED] wrote: A question has arisen in another group-- What happens if, when ntp starts up, the remoter

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Steve Kostecke
On 2008-09-12, Dave Close [EMAIL PROTECTED] wrote: # ntpq -p remote refid st t when poll reach delay offset jitter == server1 172.16.2.5 2 u 24 64 3772.159 -51835.

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Richard B. Gilbert
Evandro Menezes wrote: On Sep 12, 8:31 am, Unruh [EMAIL PROTECTED] wrote: Sounds great. So, let me say I have pool.ntp.org as a server. when my system comes up (a desktop) the network interface is there, but the dns server is still dead, and the gateway is still dead. Ie, no address for pool

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Hal Murray
In article [EMAIL PROTECTED], Uwe Klein [EMAIL PROTECTED] writes: Hal Murray wrote: There are a lot of low cost USB GPS gizmos that use the SiRF Star III. They suck for timekeeping. Is there a reason known for this? I assume it's a software bug/feature. The problem is drift/wander in

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread David Woolley
Dave Close wrote: dstadr=192.168.58.250, dstport=123, leap=00, stratum=2, precision=-7, Precision -7 is poor, but possibly a contra-indication for the main hypothesis as I believe that w32time is normally even worse, at -6. rootdelay=0.000, rootdispersion=14089.630, refid=172.16.2.5,

Re: [ntp:questions] Server offset included in served time?

2008-09-12 Thread David Woolley
Howard Barina wrote: Does an NTP servers take into account it's estimated offset in serving time There seem to have been a lot of questions asked in the last month that are based on the false assumption that offset measures the difference between the local clock and true time. Has someone

Re: [ntp:questions] Server offset included in served time?

2008-09-12 Thread Richard B. Gilbert
David Woolley wrote: Howard Barina wrote: Does an NTP servers take into account it's estimated offset in serving time There seem to have been a lot of questions asked in the last month that are based on the false assumption that offset measures the difference between the local clock

Re: [ntp:questions] Server offset included in served time?

2008-09-12 Thread David Woolley
Richard B. Gilbert wrote: David Woolley wrote: There are people who who argue that the NTP algorithms are fundamentally flawed and don't give the statistically best time in real world situations. I think they have some credibility, but NTP's inventor, does not. I hope you did not

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Unruh
Richard B. Gilbert [EMAIL PROTECTED] writes: Evandro Menezes wrote: On Sep 12, 8:31 am, Unruh [EMAIL PROTECTED] wrote: Sounds great. So, let me say I have pool.ntp.org as a server. when my system comes up (a desktop) the network interface is there, but the dns server is still dead, and the

Re: [ntp:questions] Server offset included in served time?

2008-09-12 Thread Unruh
Richard B. Gilbert [EMAIL PROTECTED] writes: David Woolley wrote: Howard Barina wrote: Does an NTP servers take into account it's estimated offset in serving time There seem to have been a lot of questions asked in the last month that are based on the false assumption that offset

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Dave Close
Steve Kostecke wrote: Are server1 and server2 real NTP servers? What does their ntpq -p output look like? I don't have access to these servers. Richard Gilbert wrote: The offset is large enough that ntpd would need several DAYS to work it off. Try setting your clock to a reasonable

Re: [ntp:questions] Server offset included in served time?

2008-09-12 Thread Steve Kostecke
On 2008-09-12, David Woolley [EMAIL PROTECTED] wrote: Howard Barina wrote: Does an NTP servers take into account it's estimated offset in serving time to others? If I am a server and think I am 1.5 milliseconds off from true time, will I include this in the timestamps of my ntp replies to

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Steve Kostecke
On 2008-09-12, Dave Close [EMAIL PROTECTED] wrote: Steve Kostecke wrote: Are server1 and server2 real NTP servers? What does their ntpq -p output look like? I don't have access to these servers. Try 'ntpq -pcrv server[1|2]' from another system. -- Steve Kostecke [EMAIL PROTECTED] NTP Public

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Dave Close
Steve Kostecke [EMAIL PROTECTED] writes: Are server1 and server2 real NTP servers? What does their ntpq -p output look like? Try 'ntpq -pcrv server[1|2]' from another system. # ntpq -pcrv server1 server1: timed out, nothing received ***Request timed out server1: timed out, nothing received

Re: [ntp:questions] Reachable and rejected

2008-09-12 Thread Richard B. Gilbert
Dave Close wrote: Steve Kostecke [EMAIL PROTECTED] writes: Are server1 and server2 real NTP servers? What does their ntpq -p output look like? Try 'ntpq -pcrv server[1|2]' from another system. # ntpq -pcrv server1 server1: timed out, nothing received ***Request timed out server1:

Re: [ntp:questions] What happens if ntp server unavailable at start up?

2008-09-12 Thread Joseph Gwinn
In article [EMAIL PROTECTED], Unruh [EMAIL PROTECTED] wrote: Harlan Stenn [EMAIL PROTECTED] writes: [snip] Unruh Did the dynamic keyword ever work? The web docs say that it is not Unruh yet implimented. I'm pretty sure it works - what documentation says it doesn't? Some document on

Re: [ntp:questions] GPS clock for Linux

2008-09-12 Thread Speechless
On Thu, 11 Sep 2008 18:54:25 -0500, Hal Murray wrote: I am interested in getting a GPS clock to synchronize our internal test network. I am curious to hear about relativley cheap and Linux friendly GPS clock. (Less than $100 would be great) The Garmin GPS 18 LVC is popular. The above