ntp

Patrick Dupre patrick.dupre at york.ac.uk
Mon Feb 27 22:15:24 UTC 2012


On Mon, 27 Feb 2012, Patrick Dupre wrote:

> Hello,
>
> My machine (fedora 16) does not synchronize its time.
> ntpd is running, but ntpdate 0.fedora.pool.ntp.org
> generate an error:
> 27 Feb 21:44:29 ntpdate[3184]: the NTP socket is in use, exiting
>
> Here is my ntp.conf
>
>
> # For more information about this file, see the man pages
> # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), 
> ntp_mon(5).
>
> driftfile /var/lib/ntp/drift
>
> # Permit time synchronization with our time source, but do not
> # permit the source to query or modify the service on this system.
> restrict default kod nomodify notrap nopeer noquery
> restrict -6 default kod nomodify notrap nopeer noquery
>
> # Permit all access over the loopback interface.  This could
> # be tightened as well, but to do so would effect some of
> # the administrative functions.
> restrict 127.0.0.1
> restrict -6 ::1
>
> # Hosts on local network are less restricted.
> #restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
>
> # Use public servers from the pool.ntp.org project.
> # Please consider joining the pool (http://www.pool.ntp.org/join.html).
> server 0.fedora.pool.ntp.org iburst
> server 1.fedora.pool.ntp.org iburst
> server 2.fedora.pool.ntp.org iburst
> server 3.fedora.pool.ntp.org iburst
>
> #broadcast 192.168.1.255 autokey	# broadcast server
> #broadcastclient			# broadcast client
> #broadcast 224.0.1.1 autokey		# multicast server
> #multicastclient 224.0.1.1		# multicast client
> #manycastserver 239.255.254.254		# manycast server
> #manycastclient 239.255.254.254 autokey # manycast client
>
> # Undisciplined Local Clock. This is a fake driver intended for backup
> # and when no outside source of synchronized time is available.
> #server	127.127.1.0	# local clock
> #fudge	127.127.1.0 stratum 10
>
> # Enable public key cryptography.
> #crypto
>
> includefile /etc/ntp/crypto/pw
>
> # Key file containing the keys and key identifiers used when operating
> # with symmetric key cryptography.
> keys /etc/ntp/keys
>
> # Specify the key identifiers which are trusted.
> #trustedkey 4 8 42
>
> # Specify the key identifier to use with the ntpdc utility.
> #requestkey 8
>
> # Specify the key identifier to use with the ntpq utility.
> #controlkey 8
>
> # Enable writing of statistics records.
> #statistics clockstats cryptostats loopstats peerstats
>
> =================================================================
> This is part of the message file:
>
>
>
> Feb 27 21:22:55 Homere ntpd[2144]: ntpd 4.2.6p4 at 1.2324-o Thu Oct  6 15:37:57 
> UTC 2011 (1)
> Feb 27 21:22:55 Homere ntpd[2144]: proto: precision = 0.076 usec
> Feb 27 21:22:55 Homere ntpd[2144]: 0.0.0.0 c01d 0d kern kernel time sync 
> enabled
> Feb 27 21:22:55 Homere ntpd[2144]: Listen and drop on 0 v4wildcard 0.0.0.0 
> UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: Listen and drop on 1 v6wildcard :: UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: Listen normally on 2 lo 127.0.0.1 UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: Listen normally on 3 p5p1 134.99.120.46 
> UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: Listen normally on 4 p5p1 
> fe80::225:22ff:fecb:b91a UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: Listen normally on 5 lo ::1 UDP 123
> Feb 27 21:22:55 Homere ntpd[2144]: peers refreshed
> Feb 27 21:22:55 Homere ntpd[2144]: Listening on routing socket on fd #22 for 
> interface updates
> Feb 27 21:22:55 Homere ntpd[2144]: 0.0.0.0 c016 06 restart
> Feb 27 21:22:55 Homere ntpd[2144]: 0.0.0.0 c012 02 freq_set kernel 0.000 PPM
> Feb 27 21:22:55 Homere ntpd[2144]: 0.0.0.0 c011 01 freq_not_set
> Feb 27 21:24:15 Homere ntpd[2144]: ntpd exiting on signal 15
> Feb 27 21:24:15 Homere ntpd[2147]: ntpd 4.2.6p4 at 1.2324-o Thu Oct  6 15:37:57 
> UTC 2011 (1)
> Feb 27 21:24:15 Homere ntpd[2147]: proto: precision = 0.243 usec
> Feb 27 21:24:15 Homere ntpd[2147]: 0.0.0.0 c01d 0d kern kernel time sync 
> enabled
> Feb 27 21:24:15 Homere ntpd[2147]: Listen and drop on 0 v4wildcard 0.0.0.0 
> UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: Listen and drop on 1 v6wildcard :: UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: Listen normally on 2 lo 127.0.0.1 UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: Listen normally on 3 p5p1 134.99.120.46 
> UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: Listen normally on 4 p5p1 
> fe80::225:22ff:fecb:b91a UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: Listen normally on 5 lo ::1 UDP 123
> Feb 27 21:24:15 Homere ntpd[2147]: peers refreshed
> Feb 27 21:24:15 Homere ntpd[2147]: Listening on routing socket on fd #22 for 
> interface updates
> Feb 27 21:24:15 Homere ntpd[2147]: 0.0.0.0 c016 06 restart
> Feb 27 21:24:15 Homere ntpd[2147]: 0.0.0.0 c012 02 freq_set kernel 0.000 PPM
> Feb 27 21:24:15 Homere ntpd[2147]: 0.0.0.0 c011 01 freq_not_set
> Feb 27 21:24:19 Homere ntpd[2147]: ntpd exiting on signal 15
> Feb 27 21:24:19 Homere ntpd[2149]: ntpd 4.2.6p4 at 1.2324-o Thu Oct  6 15:37:57 
> UTC 2011 (1)
> Feb 27 21:24:19 Homere ntpd[2149]: proto: precision = 0.278 usec
> Feb 27 21:24:19 Homere ntpd[2149]: 0.0.0.0 c01d 0d kern kernel time sync 
> enabled
> Feb 27 21:24:19 Homere ntpd[2149]: Listen and drop on 0 v4wildcard 0.0.0.0 
> UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: Listen and drop on 1 v6wildcard :: UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: Listen normally on 2 lo 127.0.0.1 UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: Listen normally on 3 p5p1 134.99.120.46 
> UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: Listen normally on 4 p5p1 
> fe80::225:22ff:fecb:b91a UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: Listen normally on 5 lo ::1 UDP 123
> Feb 27 21:24:19 Homere ntpd[2149]: peers refreshed
> Feb 27 21:24:19 Homere ntpd[2149]: Listening on routing socket on fd #22 for 
> interface updates
> Feb 27 21:24:19 Homere ntpd[2149]: 0.0.0.0 c016 06 restart
> Feb 27 21:24:19 Homere ntpd[2149]: 0.0.0.0 c012 02 freq_set kernel 0.000 PPM
> Feb 27 21:24:19 Homere ntpd[2149]: 0.0.0.0 c011 01 freq_not_set
>
>

I can that if I run system-config-date
If I check the synchronize date and time over the network
then it kill the ntpd server and vice et versa.

What is wrong?

-- 
---
==========================================================================
  Patrick DUPRÉ                      |   |
  Department of Chemistry            |   |  Phone: (44)-(0)-1904-434384
  The University of York             |   |  Fax:   (44)-(0)-1904-432516
  Heslington                         |   |
  York YO10 5DD  United Kingdom      |   |  email: patrick.dupre at york.ac.uk
==========================================================================


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