NTP Server2010/05/25 |
| It's an example to install and Configure NTP server for system clock. |
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[root@dlp ~]# yum -y install ntp Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * fedora: www.ftp.ne.jp * updates: www.ftp.ne.jp Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package ntp.x86_64 0:4.2.6p1-2.fc13 set to be updated --> Processing Dependency: ntpdate = 4.2.6p1-2.fc13 for package: ntp-4.2.6p1-2.fc13.x86_64 --> Running transaction check ---> Package ntpdate.x86_64 0:4.2.6p1-2.fc13 set to be updated --> Finished Dependency Resolution Dependencies Resolved =================================================================== Package Arch
Version
Repository
Size =================================================================== Installing: ntp x86_64
4.2.6p1-2.fc13
updates
625 k Installing for dependencies: ntpdate x86_64
4.2.6p1-2.fc13
updates
69 k Transaction Summary =================================================================== Install 2 Package(s) Upgrade 0 Package(s) Total download size: 694 k Downloading Packages: (1/2): ntp-4.2.6p1-2.fc13.x86_64.rpm | 625 kB 00:00 (2/2): ntpdate-4.2.6p1-2.fc13.x86_64.rpm | 69 kB 00:00 --------------------------------------------------------- Total 725 kB/s | 694 kB 00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : ntpdate-4.2.6p1-2.fc13.x86_64 1/2 Installing : ntp-4.2.6p1-2.fc13.x86_64 2/2 Installed: ntp.x86_64 0:4.2.6p1-2.fc13 Dependency Installed: ntpdate.x86_64 0:4.2.6p1-2.fc13 Complete! [root@dlp ~]# mv /etc/ntp.conf /etc/ntp.conf.bk [root@dlp ~]# vi /etc/ntp.conf # Set servers for synchronizing server ntp1.jst.mfeed.ad.jp server ntp2.jst.mfeed.ad.jp server ntp3.jst.mfeed.ad.jp [root@dlp ~]# /etc/rc.d/init.d/ntpd start Starting ntpd: [ OK ] [root@dlp ~]# chkconfig ntpd on [root@dlp ~]# ntpq -p remote
refid
st
t
when
poll
reach
delay
offset
jitter ========================================================== ntp1.jst.mfeed. 210.173.176.4 2
u 2 64 1
21.227 187904. 0.000 ntp2.jst.mfeed. 210.173.176.4 2 u
1 64 1 21.400
187903. 0.000 ntp3.jst.mfeed. 210.173.176.4 2 u
- 64 1 22.087
187900. 0.000
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