Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread Gordon Messmer
On 01/27/2016 02:12 AM, Tony Mountifield wrote: In C7 i have no idea In C7, "-g" appears to be an argument to ntpd, by default. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread Tony Mountifield
In article <56a88188.6070...@hogranch.com>, John R Pierce wrote: > On 1/27/2016 12:25 AM, Traiano Welcome wrote: > > I'm tempted to stick an "ntpdate -u ..." in the crontab to force > > time-synch, but I don't see why that's needed if ntpd service should > > already be fulfilling that purpose. >

Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread James Hogarth
On 27 January 2016 at 08:53, Dirk Deimeke wrote: > On 2016-01-27 09:36, John R Pierce wrote: > > Hi! > >> ntpd won't make drastic changes in the time, if its too far off. its >> designed to stabilize the clock by making small changes in speeding it >> up or slowing it down, and not 'staircase' set

Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread Dirk Deimeke
On 2016-01-27 09:36, John R Pierce wrote: Hi! ntpd won't make drastic changes in the time, if its too far off. its designed to stabilize the clock by making small changes in speeding it up or slowing it down, and not 'staircase' setting it absolutely. http://www.ntp.org/ntpfaq/NTP-s-algo.htm#

Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread James Hogarth
On 27 January 2016 at 08:36, John R Pierce wrote: > On 1/27/2016 12:25 AM, Traiano Welcome wrote: >> >> I'm tempted to stick an "ntpdate -u ..." in the crontab to force >> time-synch, but I don't see why that's needed if ntpd service should >> already be fulfilling that purpose. > > > > ntpd won't

Re: [CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread John R Pierce
On 1/27/2016 12:25 AM, Traiano Welcome wrote: I'm tempted to stick an "ntpdate -u ..." in the crontab to force time-synch, but I don't see why that's needed if ntpd service should already be fulfilling that purpose. ntpd won't make drastic changes in the time, if its too far off. its designed

[CentOS] NTP Service Running on Local Host does not Sync System Time

2016-01-27 Thread Traiano Welcome
Hi List I have ntp running as a service on a PC, with the expectation that it would keep time in synch to my ntp server. However, while I can manually update the time using "ntpdate -u ...", I find that if I manually force the wrong time, the ntpd service does not automatically re-synch the sys

Re: [CentOS] NTP Vulnerability?

2014-12-19 Thread Dennis Jacobfeuerborn
On 20.12.2014 03:42, listmail wrote: > I just saw this: > > https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 > > which includes this: > " A remote attacker can send a carefully crafted packet that can overflow a > stack buffer and potentially allow malicious code to be executed with the > p

Re: [CentOS] NTP Vulnerability?

2014-12-19 Thread Peter Lawler
C7 - http://lists.centos.org/pipermail/centos-announce/2014-December/020850.html C6 - http://lists.centos.org/pipermail/centos-announce/2014-December/020852.html C5 - http://lists.centos.org/pipermail/centos-announce/2014-December/020851.html On 20/12/14 14:04, Eero Volotinen wrote: fixed in:

Re: [CentOS] NTP Vulnerability?

2014-12-19 Thread Eero Volotinen
fixed in: https://rhn.redhat.com/errata/RHSA-2014-2025.html https://rhn.redhat.com/errata/RHSA-2014-2024.html maybe it's soon in centos too.. 2014-12-20 4:42 GMT+02:00 listmail : > I just saw this: > > https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 > > which includes this: > " A remote

Re: [CentOS] NTP Vulnerability?

2014-12-19 Thread Eero Volotinen
https://access.redhat.com/security/cve/CVE-2014-9295 2014-12-20 4:42 GMT+02:00 listmail : > I just saw this: > > https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 > > which includes this: > " A remote attacker can send a carefully crafted packet that can overflow a > stack buffer and potenti

[CentOS] NTP Vulnerability?

2014-12-19 Thread listmail
I just saw this: https://ics-cert.us-cert.gov/advisories/ICSA-14-353-01 which includes this: " A remote attacker can send a carefully crafted packet that can overflow a stack buffer and potentially allow malicious code to be executed with the privilege level of the ntpd process. All NTP4 releases

Re: [CentOS] NTP server problem behind firewall

2012-09-04 Thread Artifex Maximus
On Tue, Sep 4, 2012 at 10:36 AM, Giles Coochey wrote: > On 04/09/2012 07:31, Artifex Maximus wrote: >> >> >> The first time (16:39:13.653674) client cannot sync to the server but >> second time (16:39:43.145984) that was successful even if there is a >> 'bad udp cksum'. BTW, is it normal? Tcpdump

Re: [CentOS] NTP server problem behind firewall

2012-09-04 Thread Giles Coochey
On 04/09/2012 07:31, Artifex Maximus wrote: The first time (16:39:13.653674) client cannot sync to the server but second time (16:39:43.145984) that was successful even if there is a 'bad udp cksum'. BTW, is it normal? Tcpdump says there was traffic and sync happened later so rule is OK I think.

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Artifex Maximus
On Mon, Sep 3, 2012 at 4:32 PM, Giles Coochey wrote: > On 03/09/2012 15:18, Artifex Maximus wrote: >> >> On Mon, Sep 3, 2012 at 11:15 AM, Leonard den Ottolander >> wrote: >>> >>> On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: Any idea what is wrong? >>> >>> The iptables rules

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Leonard den Ottolander
On Mon, 2012-09-03 at 14:18 +, Artifex Maximus wrote: > My server is able to synchronize with GPSNTP so rules > are fine for that (because my output chain is ACCEPT per default). And related traffic is allowed too, yes, I overlooked that. Are you sure your windows clients have addresses in th

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Giles Coochey
On 03/09/2012 15:18, Artifex Maximus wrote: On Mon, Sep 3, 2012 at 11:15 AM, Leonard den Ottolander wrote: On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: Any idea what is wrong? The iptables rules you specify only allow clients from your local network access to your "proxy" ntp ser

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Artifex Maximus
On Mon, Sep 3, 2012 at 11:15 AM, Leonard den Ottolander wrote: > On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: >> Any idea what is wrong? > > The iptables rules you specify only allow clients from your local > network access to your "proxy" ntp server. However, you do not specify > any

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Giles Coochey
On 03/09/2012 13:00, Philippe Naudin wrote: Le lun. 03 sept. 2012 13:15:41 CEST, Leonard den Ottolander a écrit: On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: Any idea what is wrong? The iptables rules you specify only allow clients from your local network access to your "proxy" n

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Philippe Naudin
Le lun. 03 sept. 2012 13:15:41 CEST, Leonard den Ottolander a écrit: > On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: > > Any idea what is wrong? > > The iptables rules you specify only allow clients from your local > network access to your "proxy" ntp server. However, you do not speci

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Leonard den Ottolander
On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: > Any idea what is wrong? The iptables rules you specify only allow clients from your local network access to your "proxy" ntp server. However, you do not specify any rules for eth1 to allow that ntp server to synchronise with the remote se

Re: [CentOS] NTP server problem behind firewall

2012-09-03 Thread Markus Falb
On 2.9.2012 18:22, Artifex Maximus wrote: > On Sun, Sep 2, 2012 at 2:33 PM, Markus Falb > wrote: >> On 2.9.2012 09:46, Artifex Maximus wrote: >>> Hello! >>> >>> I would like to setup an NTP server for my Windows network using >>> CentOS 6.3 with firewall turned on. ... >>> The script for making f

Re: [CentOS] NTP server problem behind firewall

2012-09-02 Thread Artifex Maximus
On Sun, Sep 2, 2012 at 2:33 PM, Markus Falb wrote: > On 2.9.2012 09:46, Artifex Maximus wrote: >> Hello! >> >> I would like to setup an NTP server for my Windows network using >> CentOS 6.3 with firewall turned on. As I learned the NTP protocol uses >> port 123 UDP. I have two NIC cards. One for i

Re: [CentOS] NTP server problem behind firewall

2012-09-02 Thread Markus Falb
On 2.9.2012 09:46, Artifex Maximus wrote: > Hello! > > I would like to setup an NTP server for my Windows network using > CentOS 6.3 with firewall turned on. As I learned the NTP protocol uses > port 123 UDP. I have two NIC cards. One for internal network and one > for access internet. Both cards

Re: [CentOS] NTP server problem behind firewall

2012-09-02 Thread Artifex Maximus
On Sun, Sep 2, 2012 at 8:37 AM, Earl Ramirez wrote: > On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: >> Hello! >> >> I would like to setup an NTP server for my Windows network using >> CentOS 6.3 with firewall turned on. As I learned the NTP protocol uses >> port 123 UDP. I have two NIC

Re: [CentOS] NTP server problem behind firewall

2012-09-02 Thread Earl Ramirez
On Sun, 2012-09-02 at 07:46 +, Artifex Maximus wrote: > Hello! > > I would like to setup an NTP server for my Windows network using > CentOS 6.3 with firewall turned on. As I learned the NTP protocol uses > port 123 UDP. I have two NIC cards. One for internal network and one > for access inter

[CentOS] NTP server problem behind firewall

2012-09-02 Thread Artifex Maximus
Hello! I would like to setup an NTP server for my Windows network using CentOS 6.3 with firewall turned on. As I learned the NTP protocol uses port 123 UDP. I have two NIC cards. One for internal network and one for access internet. Both cards in private address range. The problem is when I am usi

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread Stephen Harris
On Mon, May 28, 2012 at 12:21:54PM -0400, James B. Byrne wrote: > I cannot find anything in the logs that explain what is happening to > me. The evidence I have indicates that when the host kvm system is > powered off and restarted then the guests do not restart. This > behaviour is at variance

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread James B. Byrne
On Mon, May 28, 2012 10:10, Bob Hoffman wrote: > On 5/28/2012 9:59 AM, James B. Byrne wrote: >> On Mon, May 28, 2012 08:50, Reindl Harald wrote: >>> >>> Am 28.05.2012 14:41, schrieb James B. Byrne: when power returned all of the restored guests were immediately shutdown by ntp because th

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread Bob Hoffman
On 5/28/2012 9:59 AM, James B. Byrne wrote: > On Mon, May 28, 2012 08:50, Reindl Harald wrote: >> >> Am 28.05.2012 14:41, schrieb James B. Byrne: >>> when power returned all of the restored guests were immediately >>> shutdown by ntp because the time differential between the >>> restored systems an

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread James B. Byrne
On Mon, May 28, 2012 08:50, Reindl Harald wrote: > > > Am 28.05.2012 14:41, schrieb James B. Byrne: >> when power returned all of the restored guests were immediately >> shutdown by ntp because the time differential between the >> restored systems and that of the ntpd sync servers exceeded >> the

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread Akemi Yagi
On Mon, May 28, 2012 at 5:41 AM, James B. Byrne wrote: > We encountered a problem with respect to KVM virtual host restore and > NTP. Specifically, our VM test host was shutdown by an extended power > outage and when power returned all of the restored guests were > immediately shutdown by ntp beca

Re: [CentOS] NTP and virtual guests

2012-05-28 Thread Stephen Harris
On Mon, May 28, 2012 at 08:41:30AM -0400, James B. Byrne wrote: > We encountered a problem with respect to KVM virtual host restore and > NTP. Specifically, our VM test host was shutdown by an extended power > outage and when power returned all of the restored guests were > immediately shutdown by

[CentOS] NTP and virtual guests

2012-05-28 Thread James B. Byrne
We encountered a problem with respect to KVM virtual host restore and NTP. Specifically, our VM test host was shutdown by an extended power outage and when power returned all of the restored guests were immediately shutdown by ntp because the time differential between the restored systems and that

Re: [CentOS] NTP Daemon in not bound to port

2012-05-16 Thread Shiv. NK
>> > [root@proxy1 squid]# netstat -npl | grep ntp > udp0 0 172.21.0.2:123 0.0.0.0:* > 1154/ntpd > udp0 0 127.0.0.1:123 0.0.0.0:* > 1154/ntpd > udp0 0 0.0.0.0:123 0.0.0.0:* >

Re: [CentOS] NTP Daemon in not bound to port

2012-05-16 Thread Giles Coochey
On 2012-05-16 13:19, Shiv. NK wrote: > Hello Dear Friends, > > it is CentOS Release 6.2, ntpd is running but do not see bounded to > the > port udp:123 > > any guidelines would be very much appreciable. > > [root@jet mavi]# netstat -ntlp | grep ntpd > > > > [root@jet mavi]# netstat -ntl | grep 12

[CentOS] NTP Daemon in not bound to port

2012-05-16 Thread Shiv. NK
Hello Dear Friends, it is CentOS Release 6.2, ntpd is running but do not see bounded to the port udp:123 any guidelines would be very much appreciable. [root@jet mavi]# netstat -ntlp | grep ntpd [root@jet mavi]# netstat -ntl | grep 123 But the service is running - [root@jet mavi]# /etc/i

Re: [CentOS] ntp server

2010-07-07 Thread Blake Hudson
Seems like a well thought out and thorough explanation of how to do what you're looking for. http://ubuntuforums.org/showthread.php?t=579418 ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ntp server

2010-07-01 Thread Jerry Geis
> > Try setting it like this: > >fudge 127.127.1.0 stratum 10 >server 127.127.1.0 prefer > > Bowie That did not work either. jerry ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ntp server

2010-07-01 Thread Bowie Bailey
Jerry Geis wrote: >> You can get an assortment of devices that receive time signals from >> satellites to act as good authoritative time sources on your private >> network if you are willing to spend some money. If you just want to >> fake it, I think the trick is to lower the stratum number in

Re: [CentOS] ntp server

2010-07-01 Thread Jerry Geis
> > You can get an assortment of devices that receive time signals from > satellites to act as good authoritative time sources on your private > network if you are willing to spend some money. If you just want to > fake it, I think the trick is to lower the stratum number in the 'fudge' > sett

Re: [CentOS] ntp server

2010-07-01 Thread Les Mikesell
On 7/1/2010 9:28 AM, Jerry Geis wrote: > I have a need to run a centos server CUT-off from any connected network. > So the NTP server that is running on this very small network cannot > connect to > any other site to do what NTP does. > > however, I have devices on this small network that I wish to

Re: [CentOS] ntp server

2010-07-01 Thread Craig White
On Thu, 2010-07-01 at 10:51 -0400, Brunner, Brian T. wrote: > > > -Original Message- > > From: centos-boun...@centos.org > > [mailto:centos-boun...@centos.org] On Behalf Of Jerry Geis > > Sent: Thursday, July 01, 2010 10:28 AM > > To: CentOS ML > >

Re: [CentOS] ntp server

2010-07-01 Thread Brunner, Brian T.
> -Original Message- > From: centos-boun...@centos.org > [mailto:centos-boun...@centos.org] On Behalf Of Jerry Geis > Sent: Thursday, July 01, 2010 10:28 AM > To: CentOS ML > Subject: [CentOS] ntp server > > I have a need to run a centos server CUT-off from

[CentOS] ntp server

2010-07-01 Thread Jerry Geis
I have a need to run a centos server CUT-off from any connected network. So the NTP server that is running on this very small network cannot connect to any other site to do what NTP does. however, I have devices on this small network that I wish to use the centos server as the time source and ru

Re: [CentOS] NTP update?

2009-12-18 Thread Gilbert Sebenste
On Fri, 18 Dec 2009, Karanbir Singh wrote: > On 18/12/09 13:11, Akemi Yagi wrote: >> That was for CentOS-4. The update for CentOS-5 is indeed unavailable >> as of today. > > ntp and conga should both be available at some point today. I need to > run some tests first, lets see if I can get those d

Re: [CentOS] NTP update?

2009-12-18 Thread Karanbir Singh
On 18/12/09 13:11, Akemi Yagi wrote: > That was for CentOS-4. The update for CentOS-5 is indeed unavailable > as of today. ntp and conga should both be available at some point today. I need to run some tests first, lets see if I can get those done during my lunch break at work. - KB __

Re: [CentOS] NTP update?

2009-12-18 Thread Akemi Yagi
On Fri, Dec 18, 2009 at 12:37 AM, Christoph Maser wrote: > Am Freitag, den 18.12.2009, 06:42 +0100 schrieb Gilbert Sebenste: >> Excellent. We're all caught up on updates now, except... >> >> I didn't see the NTP update. That's a big one, with an easy denial of >> sservice attack. Is that planning

Re: [CentOS] NTP update?

2009-12-18 Thread Christoph Maser
Am Freitag, den 18.12.2009, 06:42 +0100 schrieb Gilbert Sebenste: > Excellent. We're all caught up on updates now, except... > > I didn't see the NTP update. That's a big one, with an easy denial of > sservice attack. Is that planning to be released? I know there was an > issue with it for awhile..

[CentOS] NTP update?

2009-12-17 Thread Gilbert Sebenste
Excellent. We're all caught up on updates now, except... I didn't see the NTP update. That's a big one, with an easy denial of sservice attack. Is that planning to be released? I know there was an issue with it for awhile... **

Re: [CentOS] NTP

2009-12-17 Thread Davy Leon
thanks guys I'm seeing is not so hard. - Original Message - From: "Steve Lindemann" To: "CentOS mailing list" Sent: Thursday, December 17, 2009 11:49 AM Subject: Re: [CentOS] NTP > Ray Van Dolson wrote: >> On Thu, Dec 17, 2009 at 11:16:45AM -0

Re: [CentOS] NTP

2009-12-17 Thread Steve Lindemann
Ray Van Dolson wrote: > On Thu, Dec 17, 2009 at 11:16:45AM -0500, Davy Leon wrote: >> I have a Centos 5.3. I'm wondering how can I make this linux box to >> act as a time server for my small network. I just need this Centos >> PC act as a time reference for the other PCs so they can keep the >> ti

Re: [CentOS] NTP

2009-12-17 Thread Ray Van Dolson
On Thu, Dec 17, 2009 at 11:16:45AM -0500, Davy Leon wrote: > Hi folks > > I have a Centos 5.3. I'm wondering how can I make this linux box to > act as a time server for my small network. I just need this Centos > PC act as a time reference for the other PCs so they can keep the > time exact the s

[CentOS] NTP

2009-12-17 Thread Davy Leon
Hi folks I have a Centos 5.3. I'm wondering how can I make this linux box to act as a time server for my small network. I just need this Centos PC act as a time reference for the other PCs so they can keep the time exact the same as the Centos server. Don;t need to syncronize the server with t

Re: [CentOS] ntp update version

2009-12-10 Thread Ron Yorston
Akemi Yagi wrote: >You may want to check upon this CentOS bug report: > >http://bugs.centos.org/view.php?id=4060 Which has been closed as 'no change required'. Some change is required. As things stand my systems are on version 4.2.0.a.20040617-8.el4_8.2, the CentOS name for the August update. T

Re: [CentOS] ntp update version

2009-12-10 Thread Akemi Yagi
On Thu, Dec 10, 2009 at 1:17 AM, Ron Yorston wrote: > I noticed that although I'd fetched the latest update to ntp from the > mirror it wasn't being installed. > > It seems that the version numbers have got out of step.  According to > the changelog the update that was released in August should ha

[CentOS] ntp update version

2009-12-10 Thread Ron Yorston
I noticed that although I'd fetched the latest update to ntp from the mirror it wasn't being installed. It seems that the version numbers have got out of step. According to the changelog the update that was released in August should have had the version number 4.2.0.a.20040617-8.el4_7.2, whereas

Re: [CentOS] ntp will not drift to correct time

2009-08-12 Thread David G . Miller
Tom Brown writes: > > Hi > > On 5.3 i have a situation where some boxes have been 3 or 4 seconds out > and restarting ntpd has fixed the issue. > > What i dont understand is why the clocks did not drift to the correct > time when the config seems correct in that restarting ntp did correct >

Re: [CentOS] ntp will not drift to correct time

2009-08-12 Thread Tom Brown
> Is the directory /var/lib/ntp present, and with write permissions for > the 'ntp' user? Does the drift file exist? > Does ntpd ever lock in? What do you see in 'ntpq -p' over time? > Are these heavily-loaded boxes, or boxes with wildly-varying loads? > > $ ll /var/lib/ntp total 4 -rw-r--r-

Re: [CentOS] ntp will not drift to correct time

2009-08-12 Thread Alan Sparks
Tom Brown wrote: > Hi > > On 5.3 i have a situation where some boxes have been 3 or 4 seconds out > and restarting ntpd has fixed the issue. > > What i dont understand is why the clocks did not drift to the correct > time when the config seems correct in that restarting ntp did correct > the tim

[CentOS] ntp will not drift to correct time

2009-08-12 Thread Tom Brown
Hi On 5.3 i have a situation where some boxes have been 3 or 4 seconds out and restarting ntpd has fixed the issue. What i dont understand is why the clocks did not drift to the correct time when the config seems correct in that restarting ntp did correct the time. Is there something 'special

Re: [CentOS] ntp time server

2009-07-22 Thread Scott McClanahan
Not knowing what country your from but at a U.S. taxpayer I have no reservations about using time.nist.gov myself, some people think it's rude to directly query stratum 1 servers. I typically have 2-3 NTP servers per location behind a load balancer and my internal servers sync against the load b

Re: [CentOS] ntp time server

2009-07-21 Thread Ron Loftin
On Tue, 2009-07-21 at 18:36 -0400, Andy Harrison wrote: > On Tue, Jul 21, 2009 at 6:22 PM, Scott Silva wrote: > >> > > If there are other interfaces available, FreeBSD does well as a timeserver > > with SOME GPS receivers. But if it is working OK, I would just leave it > > running unless the hardw

Re: [CentOS] ntp time server

2009-07-21 Thread Andy Harrison
On Tue, Jul 21, 2009 at 6:22 PM, Scott Silva wrote: >> > If there are other interfaces available, FreeBSD does well as a timeserver > with SOME GPS receivers. But if it is working OK, I would just leave it > running unless the hardware is going south. > It's not so much that the hardware is curren

Re: [CentOS] ntp time server

2009-07-21 Thread Scott Silva
on 7-21-2009 12:29 PM Andy Harrison spake the following: > Currently, my time server is a Sun v240 with a 32-pci gps card (with a > proprietary Solaris driver) attached to our gps receiver via an sma > cable up to the roof of my building. As I'm migrating almost all of > our Solaris servers and se

Re: [CentOS] ntp time server

2009-07-21 Thread Andy Harrison
On Tue, Jul 21, 2009 at 5:16 PM, nate wrote: > > Not knowing what country your from but at a U.S. taxpayer I have > no reservations about using time.nist.gov myself, some people > think it's rude to directly query stratum 1 servers. My server already is a stratum 1 time server. I use other extern

Re: [CentOS] ntp time server

2009-07-21 Thread nate
Andy Harrison wrote: > Currently, my time server is a Sun v240 with a 32-pci gps card (with a > proprietary Solaris driver) attached to our gps receiver via an sma > cable up to the roof of my building. As I'm migrating almost all of > our Solaris servers and services over to CentOS, I'd like to k

Re: [CentOS] ntp time server

2009-07-21 Thread Andy Harrison
On Tue, Jul 21, 2009 at 4:23 PM, Bowie Bailey wrote: > Since we don't have any pressing need for a high-precision time source, > we just sync our main server to the public ntp.org pool and then have > everything else in the building sync to the main server. > We do have a pressing need for high-pr

Re: [CentOS] ntp time server

2009-07-21 Thread Bowie Bailey
Andy Harrison wrote: > Currently, my time server is a Sun v240 with a 32-pci gps card (with a > proprietary Solaris driver) attached to our gps receiver via an sma > cable up to the roof of my building. As I'm migrating almost all of > our Solaris servers and services over to CentOS, I'd like to k

[CentOS] ntp time server

2009-07-21 Thread Andy Harrison
Currently, my time server is a Sun v240 with a 32-pci gps card (with a proprietary Solaris driver) attached to our gps receiver via an sma cable up to the roof of my building. As I'm migrating almost all of our Solaris servers and services over to CentOS, I'd like to know what other people are usi

Re: [CentOS] NTP error message on /var/log/messages

2009-03-31 Thread Markus Falb
> Mar 15 14:28:15 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument > Mar 15 14:45:22 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument > Mar 15 15:02:29 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument i remember (or think so) i had this some time ago on one of my machines.

Re: [CentOS] NTP error message on /var/log/messages

2009-03-16 Thread mcclnx mcc
Thanks. You are right. I did NOT reboot after change Ip address. It is correct now. --- 09/3/15 (日),Filipe Brandenburger 寫道: > 寄件者: Filipe Brandenburger > 主旨: Re: [CentOS] NTP error message on /var/log/messages > 收件者: "CentOS mailing list" > 日期: 2009 3 15 日 下午 7:3

Re: [CentOS] NTP error message on /var/log/messages

2009-03-15 Thread Filipe Brandenburger
Hi, 2009/3/15 mcclnx mcc : > I just setup CENTOS 4.7 with latest patches on DELL server. >  I also configured NTP point to out time server.  I found > /var/log/messages file every 20 to 30 minutes will generate > a error message : > Mar 15 14:28:15 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid a

Re: [CentOS] NTP error message on /var/log/messages

2009-03-15 Thread Robert Spangler
On Sunday 15 March 2009 16:22, mcclnx mcc wrote: > I just setup CENTOS 4.7 with latest patches on DELL server. I also > configured NTP point to out time server. I found /var/log/messages file > every 20 to 30 minutes will generate a error message : > > Mar 15 14:28:15 SER1 ntpd[25037]: sendto(

Re: [CentOS] NTP error message on /var/log/messages

2009-03-15 Thread John R Pierce
mcclnx mcc wrote: > I just setup CENTOS 4.7 with latest patches on DELL server. I also > configured NTP point to out time server. I found /var/log/messages file > every 20 to 30 minutes will generate a error message : > > Mar 15 14:28:15 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument

[CentOS] NTP error message on /var/log/messages

2009-03-15 Thread mcclnx mcc
I just setup CENTOS 4.7 with latest patches on DELL server. I also configured NTP point to out time server. I found /var/log/messages file every 20 to 30 minutes will generate a error message : Mar 15 14:28:15 SER1 ntpd[25037]: sendto(172.29.21.16): Invalid argument Mar 15 14:45:22 SER1 ntpd[

Re: [CentOS] NTP problems

2008-11-15 Thread Anne Wilson
On Saturday 15 November 2008 14:19:12 Dirk H. Schulz wrote: > Anne, > > please check your /etc/ntp.conf for the "server" statement; CentOS original > is > > > server 0.rhel.pool.ntp.org > > server 1.rhel.pool.ntp.org > > server 2.rhel.pool.ntp.org > My config file says server 0.centos.pool.ntp.org

Re: [CentOS] NTP problems

2008-11-15 Thread Anne Wilson
On Saturday 15 November 2008 14:13:44 Olaf Mueller wrote: > Anne Wilson wrote: > > On Saturday 15 November 2008 10:41:14 Olaf Mueller wrote: > >> Anne Wilson wrote: > > > > No, the server is on a fixed IP, internally and externally. > > Ok, here is my config file, hope this helps. > There was an op

Re: [CentOS] NTP problems

2008-11-15 Thread Dirk H. Schulz
Anne, please check your /etc/ntp.conf for the "server" statement; CentOS original is server 0.rhel.pool.ntp.org server 1.rhel.pool.ntp.org server 2.rhel.pool.ntp.org These 2 server ips you listed do not belong to this pool (you can check via dns), and resolved backwardly their names do not s

Re: [CentOS] NTP problems

2008-11-15 Thread Olaf Mueller
Anne Wilson wrote: > On Saturday 15 November 2008 10:41:14 Olaf Mueller wrote: >> Anne Wilson wrote: > No, the server is on a fixed IP, internally and externally. Ok, here is my config file, hope this helps. There was an option in the 'restrict default' line that I had to remove for working proper

Re: [CentOS] NTP problems

2008-11-15 Thread Anne Wilson
On Saturday 15 November 2008 10:41:14 Olaf Mueller wrote: > Anne Wilson wrote: > > Hello. > > > **Unmatched Entries** > >sendto(193.6.222.20) (fd=21): Invalid argument: 1 time(s) > >sendto(141.89.226.2) (fd=21): Invalid argument: 1 time(s) > > > > Does this mean that ntp is failing? I ass

Re: [CentOS] NTP problems

2008-11-15 Thread Olaf Mueller
Anne Wilson wrote: Hello. > **Unmatched Entries** >sendto(193.6.222.20) (fd=21): Invalid argument: 1 time(s) >sendto(141.89.226.2) (fd=21): Invalid argument: 1 time(s) > > Does this mean that ntp is failing? I assume so, and if so, how do I > change the sources to something that will w

[CentOS] NTP problems

2008-11-15 Thread Anne Wilson
My server is supposed to be using ntp, with nothing changed from the defaults set up by CentOS5. However, daily I see log entries like Total synchronizations 2 (hosts: 2) **Unmatched Entries** sendto(193.6.222.20) (fd=21): Invalid argument: 1 time(s) sendto(141.89.226.2) (fd=21): Inval

Re: [CentOS] NTP server

2008-02-04 Thread Rainer Traut
Scott Ehrlich schrieb: I have a Centos 5 64-bit server that has ntp service enabled. Windows XP with SP2 cannot properly sync to it for time, but can communicate with it via samba, ssh, and anything else.I also disabled the Windows Firewall. The C5 system does not have any firewall enable

RE: [CentOS] NTP server

2008-02-01 Thread Craig White
On Fri, 2008-02-01 at 13:49 -0700, Jason Ross wrote: > On Fri, 2008-02-01 at 11:43 -0800, James D. Parra wrote: > > -Original Message- > > From: Scott Ehrlich [mailto:[EMAIL PROTECTED] > > Sent: Friday, February 01, 2008 11:37 AM > > To: centos@centos.org >

Re: [CentOS] NTP server

2008-02-01 Thread Stephen John Smoogen
Scott Ehrlich wrote: > I have a Centos 5 64-bit server that has ntp service enabled. Windows > XP with SP2 cannot properly sync to it for time, but can communicate > with it via samba, ssh, and anything else.I also disabled the > Windows Firewall. The C5 system does not have any firewall enab

RE: [CentOS] NTP server

2008-02-01 Thread Dennis McLeod
: centos@centos.org Subject: [CentOS] NTP server I have a Centos 5 64-bit server that has ntp service enabled. Windows XP with SP2 cannot properly sync to it for time, but can communicate with it via samba, ssh, and anything else.I also disabled the Windows Firewall. The C5 system does not have

RE: [CentOS] NTP server

2008-02-01 Thread Jason Ross
On Fri, 2008-02-01 at 11:43 -0800, James D. Parra wrote: > -Original Message- > From: Scott Ehrlich [mailto:[EMAIL PROTECTED] > Sent: Friday, February 01, 2008 11:37 AM > To: centos@centos.org > Subject: [CentOS] NTP server > > > I have a Centos 5 64-bit ser

RE: [CentOS] NTP server

2008-02-01 Thread James D. Parra
-Original Message- From: Scott Ehrlich [mailto:[EMAIL PROTECTED] Sent: Friday, February 01, 2008 11:37 AM To: centos@centos.org Subject: [CentOS] NTP server I have a Centos 5 64-bit server that has ntp service enabled. Windows XP with SP2 cannot properly sync to it for time, but can

[CentOS] NTP server

2008-02-01 Thread Scott Ehrlich
I have a Centos 5 64-bit server that has ntp service enabled. Windows XP with SP2 cannot properly sync to it for time, but can communicate with it via samba, ssh, and anything else.I also disabled the Windows Firewall. The C5 system does not have any firewall enabled. Other C5 workstatio

Re: [CentOS] ntp queries not being answered

2007-11-20 Thread Nicolas Sahlqvist
--Original Message- > From: Nicolas Sahlqvist [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 20, 2007 8:36 AM > To: Engineer, Gaurav > Subject: Re: [CentOS] ntp queries not being answered > > Hi Gaurav, > > You can check the output of "iptables -L -n" or use

Re: [CentOS] ntp queries not being answered

2007-11-20 Thread Nicolas Sahlqvist
On Nov 20, 2007 2:05 PM, Engineer, Gaurav <[EMAIL PROTECTED]> wrote: > > > > Hello All, > > > > My name is Gaurav, and I am tasked with configuring a linux box with NTP. > > I am having a problem that I hope you can help me with. > > We have installed CentOS V5 on 1 processor down in the lab. The

[CentOS] ntp queries not being answered

2007-11-20 Thread Engineer, Gaurav
Hello All, My name is Gaurav, and I am tasked with configuring a linux box with NTP. I am having a problem that I hope you can help me with. We have installed CentOS V5 on 1 processor down in the lab. The rest of the processors on the network are AIX boxes versions 3.2.5 and 5.2. I worked thro