我已经search了几天之后才问，我觉得我已经尝试了一切，但ntp仍然没有自动更新系统的时间。 我已经离开它运行了几天，仍然我得到了以下输出：
[root@server1 etc]# ntpq -p remote refid st t when poll reach delay offset jitter ============================================================================== ntp1.flashdance .INIT. 16 u - 64 0 0.000 0.000 0.000 ntp.jine.se .INIT. 16 u - 64 0 0.000 0.000 0.000 ntp2.flashdance .INIT. 16 u - 64 0 0.000 0.000 0.000 timehost.lysato .INIT. 16 u - 64 0 0.000 0.000 0.000 [root@server1 etc]# ntpdate -d 0.se.pool.ntp.org 24 May 21:24:58 ntpdate[62896]: ntpdate [email protected] Sat Nov 23 18:21:48 UTC 2013 (1) Looking for host 0.se.pool.ntp.org and service ntp host found : timehost.lysator.liu.se transmit(130.236.254.17) receive(130.236.254.17) transmit(130.236.254.17) receive(130.236.254.17) transmit(130.236.254.17) receive(130.236.254.17) 24 May 21:24:58 ntpdate[62896]: 130.236.254.17 rate limit response from server. transmit(193.228.143.12) receive(193.228.143.12) transmit(193.228.143.12) receive(193.228.143.12) transmit(193.228.143.12) receive(193.228.143.12) transmit(193.228.143.12) receive(193.228.143.12) transmit(79.136.84.63) receive(79.136.84.63) transmit(79.136.84.63) receive(79.136.84.63) transmit(79.136.84.63) receive(79.136.84.63) transmit(79.136.84.63) receive(79.136.84.63) transmit(46.22.115.26) receive(46.22.115.26) transmit(46.22.115.26) receive(46.22.115.26) transmit(46.22.115.26) receive(46.22.115.26) transmit(46.22.115.26) receive(46.22.115.26) server 130.236.254.17, port 123 stratum 1, precision -20, leap 00, trust 000 refid [GPS], delay 0.02982, dispersion 24.00003 transmitted 3, in filter 2 reference time: d72b6e22.09959634 Sat, May 24 2014 21:14:42.037 originate timestamp: d72b6e40.b3585db2 Sat, May 24 2014 21:15:12.700 transmit timestamp: d72b708a.e7533f64 Sat, May 24 2014 21:24:58.903 filter delay: 0.02994 0.02982 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 filter offset: -586.200 -586.200 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 delay 0.02982, dispersion 24.00003 offset -586.200926 server 193.228.143.12, port 123 stratum 2, precision -23, leap 00, trust 000 refid [193.228.143.12], delay 0.03706, dispersion 0.00000 transmitted 4, in filter 4 reference time: d72b6d43.23c9c958 Sat, May 24 2014 21:10:59.139 originate timestamp: d72b6e40.f07db8a7 Sat, May 24 2014 21:15:12.939 transmit timestamp: d72b708b.211ebd04 Sat, May 24 2014 21:24:59.129 filter delay: 0.03706 0.03716 0.03712 0.03714 0.00000 0.00000 0.00000 0.00000 filter offset: -586.195 -586.195 -586.195 -586.195 0.000000 0.000000 0.000000 0.000000 delay 0.03706, dispersion 0.00000 offset -586.195733 server 79.136.84.63, port 123 stratum 2, precision -21, leap 00, trust 000 refid [79.136.84.63], delay 0.04167, dispersion 0.00032 transmitted 4, in filter 4 reference time: d72b6dfa.d84c236b Sat, May 24 2014 21:14:02.844 originate timestamp: d72b6e41.271b1a96 Sat, May 24 2014 21:15:13.152 transmit timestamp: d72b708b.582552e4 Sat, May 24 2014 21:24:59.344 filter delay: 0.04289 0.04172 0.04167 0.04463 0.00000 0.00000 0.00000 0.00000 filter offset: -586.200 -586.199 -586.199 -586.201 0.000000 0.000000 0.000000 0.000000 delay 0.04167, dispersion 0.00032 offset -586.199643 server 46.22.115.26, port 123 stratum 3, precision -20, leap 00, trust 000 refid [46.22.115.26], delay 0.02687, dispersion 0.00003 transmitted 4, in filter 4 reference time: d72b6781.8ac88413 Sat, May 24 2014 20:46:25.542 originate timestamp: d72b6e41.4c57134a Sat, May 24 2014 21:15:13.298 transmit timestamp: d72b708b.7fc9d467 Sat, May 24 2014 21:24:59.499 filter delay: 0.02699 0.02696 0.02687 0.02701 0.00000 0.00000 0.00000 0.00000 filter offset: -586.201 -586.201 -586.201 -586.201 0.000000 0.000000 0.000000 0.000000 delay 0.02687, dispersion 0.00003 offset -586.201891 24 May 21:24:59 ntpdate[62896]: step time server 130.236.254.17 offset -586.200926 sec 不过，我可以像这样手动强制更新
[root@server1 etc]# ntpdate -uq se.pool.ntp.org server 193.228.143.13, stratum 2, offset 0.006334, delay 0.04576 server 193.228.143.12, stratum 2, offset 0.005765, delay 0.03703 server 130.236.254.17, stratum 1, offset 0.000529, delay 0.02977 server 89.160.71.4, stratum 1, offset 0.000366, delay 0.02917 24 May 21:33:37 ntpdate[64428]: adjust time server 89.160.71.4 offset 0.000366 sec
任何想法可能是什么问题？
谢谢！
更新
我的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.se.pool.ntp.org iburst server 1.se.pool.ntp.org iburst server 2.se.pool.ntp.org iburst server 3.se.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 # 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