[CentOS] ntpd

Jason Pyeron jpyeron at pdinc.us
Wed Dec 12 14:23:08 UTC 2007


Sorry it was late.

Centos 3.x up2date and Centos 4.x up2date all use identical ntp.conf files 

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Tru Huynh
> Sent: Wednesday, December 12, 2007 4:50
> To: CentOS mailing list
> Subject: Re: [CentOS] ntpd
> 
> On Wed, Dec 12, 2007 at 01:24:23AM -0500, Jason Pyeron wrote:
> > > 
> > > I am running a server inside of VMWare, and the clock gains 
> > > ~30 seconds
> > > every 1000 seconds or 1.03X.
> > 
> > ...
> 
> What CentOS, kernel version?
> 
> Maybe a better followup to the centos-virt mailing list...
> 
> > 
> > > Ideas? If I cannot get ntpd working, then I will have to 
> > > resort to a cron *
> > > * * * * rdate -s time.intranet.pdinc.us
> > > 
> > 
> > 
> > ntpdc -p 
> > 
> >      remote           local      st poll reach  delay   
> offset    disp
> > 
> ==============================================================
> =========
> > =time            0.0.0.0          3   64    1 0.00046 
> -34.34546 7.93799
> > =LOCAL(0)        127.0.0.1       10   64    1 0.00000  
> 0.000000 7.93752
> > =time2           0.0.0.0          3   64    1 0.00040 
> -34.33556 7.93799
> > =time3           0.0.0.0          3   64    1 0.00050 
> -34.33738 7.93799
> > 
> 
> why don't you configure ntpd to an external server?
> 
> > ntpdc -c sysinfo
> > 
> > system peer:          0.0.0.0
> > system peer mode:     unspec
> > leap indicator:       11
> > stratum:              16
> > precision:            -16
> > root distance:        0.00000 s
> > root dispersion:      0.00099 s
> > reference ID:         [0.0.0.0]
> > reference time:       00000000.00000000  Thu, Feb  7 2036  
> 1:28:16.000
> > system flags:         auth monitor ntp kernel stats
> > jitter:               0.000015 s
> > stability:            0.000 ppm
> > broadcastdelay:       0.007996 s
> > authdelay:            0.000000 s
> > 
> > 
> > But still no clock setting...
> > 
> > 
> > By the time I wrote the above:
> > 
> >  st poll reach  delay   offset    disp
> > =======================================
> >   3   64   37 0.00058 -52.85483 0.43922
> >  10   64   37 0.00000  0.000000 0.43831
> >   3   64   37 0.00034 -52.79517 0.43925
> >   3   64   37 0.00055 -52.80582 0.43925
> > 
> > 
> no issue here:
> [tru at centos5-i386-vm ~]$ date
> Wed Dec 12 10:46:02 CET 2007
> [tru at centos5-i386-vm ~]$ sudo ntpdc -p
>      remote           local      st poll reach  delay   offset    disp
> ==============================================================
> =========
> =LOCAL(0)        127.0.0.1       10   64    1 0.00000  
> 0.000000 2.81735
> =ntp.pasteur.fr  157.99.90.56     1   64    1 0.00131  
> 0.004765 2.81740
> [tru at centos5-i386-vm ~]$ ntpdc -p
>      remote           local      st poll reach  delay   offset    disp
> ==============================================================
> =========
> =LOCAL(0)        127.0.0.1       10   64    1 0.00000  
> 0.000000 2.81735
> =ntp.pasteur.fr  157.99.90.56     1   64    1 0.00131  
> 0.004765 2.81740
> [tru at centos5-i386-vm ~]$ ntpdc -c sysinfo
> system peer:          0.0.0.0
> system peer mode:     unspec
> leap indicator:       11
> stratum:              16
> precision:            -20
> root distance:        0.00000 s
> root dispersion:      0.00055 s
> reference ID:         [73.78.73.84]
> reference time:       00000000.00000000  Thu, Feb  7 2036  7:28:16.000
> system flags:         auth monitor ntp kernel stats
> jitter:               0.000000 s
> stability:            0.000 ppm
> broadcastdelay:       0.003998 s
> authdelay:            0.000000 s
> [tru at centos5-i386-vm ~]$ uname -a
> Linux centos5-i386-vm.bis.pasteur.fr 2.6.18-53.1.4.el5vm #1 
> SMP Thu Dec 6 11:09:34 EST 2007 i686 athlon i386 GNU/Linux
> [tru at centos5-i386-vm ~]$ ntpdc -p
>      remote           local      st poll reach  delay   offset    disp
> ==============================================================
> =========
> =LOCAL(0)        127.0.0.1       10   64   17 0.00000  
> 0.000000 0.96858
> *ntp.pasteur.fr  157.99.90.56     1   64   17 0.00131  
> 0.004765 0.96953
> [tru at centos5-i386-vm ~]$
> 
> Cheers,
> 
> Tru
> -- 
> Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance)
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B
> 





More information about the CentOS mailing list