[ntp:questions] ntpd

Danny Mayer mayer at ntp.org
Tue Aug 2 19:14:17 UTC 2011


On 8/2/2011 12:11 PM, Valera wrote:
> 
> 
> 02.08.2011 19:26, Danny Mayer пишет:
>> On 7/29/2011 9:47 AM, Valera wrote:
>>> Hello.
>>>
>>> I have some issues with ntp-4.2.6p3 package which was downloaded from
>>> www.ntp.org
>>> I did all build stages such as: ./configure and make. After that I tried
>>> to execute obtained ntpd binary file with arguments "-p
>>> /var/run/ntpd.pid -g". Full execution string is: sudo
>>> ~/ntp-4.2.6p3/ntpd/ntpd -p /var/run/ntpd.pid -g
>>> The ntpd binary file related to my ubuntu 11.04 reliase works and
>>> syncronizes time with default ubuntu time servers fine. But ntpd from
>>> ntp-4.2.6p3 works without any visible issues but didn't syncronize local
>>> time with time servers.
>>> Both servers were executed with the same argument strings and the same
>>> configureation files. I think that this issue may be related to
>>> configuration(in config.h for example) but can't find the place.
>>>
>>> Best wishes.
>> I installed a prebuilt ntp package on ubuntu last week using apt-get. It
>> gave me 4.2.6p2. Do you know what you got?
>>
> I got the same version.
>> I did have to fix the ntp.conf file because they did not use any iburst
>> lines and I did change it to use the pool option rather than server
>> option to fetch a number of addresses to use. Are you using the ubuntu
>> configuration unchanged?
>>
> Yes I'm using ntp.conf without any changes.What I should change in my's
> configuration file?
>> Did you run ntpq -p to see what if anything you are getting for servers?
>> Can you post it here?
>>

pool 0.ubuntu.pool.ntp.org iburst
pool 1.ubuntu.pool.ntp.org iburst
#server 2.ubuntu.pool.ntp.org
#server 3.ubuntu.pool.ntp.org
# Use Ubuntu's ntp server as a fallback.
server ntp.ubuntu.com iburst

for the servers
> 
>     vvs at sigaev:~$ ~/work/ntp-4.2.6p3/ntpq/ntpq -p
>          remote           refid      st t when poll reach   delay  
>     offset  jitter
>     ==============================================================================
>     -c53n253.polustr 131.188.3.220    2 u    3   64  377    4.825 
>     273.376   1.615
>     +mail.bisel.ru   62.149.0.30      2 u   65   64  377    9.834 
>     315.948   1.293
>     -webhost.mitht.r 81.95.131.130    3 u    3   64  377   12.084 
>     302.347   0.312
>     *194.190.16.51   62.117.76.138    2 u   66   64  377   12.631 
>     315.785   0.446
>     +europium.canoni 193.79.237.14    2 u   11   64  377   47.618 
>     309.748   5.935
>     vvs at sigaev:~$
>     vvs at sigaev:~$ ~/work/ntp-4.2.6p3/sntp/sntp 194.190.16.51
>      2 Aug 19:59:25 sntp[18295]: Started sntp
>     2011-08-02 19:59:25.052161 (-0300) +0.315752 +/- 0.018951 secs
> 

This looks fine. You are synchronizing fine.

> 
> Btw: After that I downloaded development version 4.2.7... and this
> version also synchronizes pc fine.

So does 4.2.6p3 by your own evidence.

Danny




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