[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
>
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