open source ntp server

Driftfile option, a file is specified to hold the system clock frequency deviation, which is used by the NTPD program to automatically compensate for the natural drift of the clock so that the clock remains fairly accurate even when the external source is cut off Broadcastdelay 0.008 Logfile/var/log/ntp.log Keys/etc/ntp/keys Client settings: Set by crontab timer, run once every 5 minutes */5 * * * *

1. In the Start menu bar, click "Run" to enter regedit to open the Windows registry2. Set as NTP server type.Modify the Login file: "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters"The [Type] setting value is modified to "NTP".3. Set the authorization time serverModify the Login file: "Hkey_loca

Build ntp service on centos Server1. Preparations before installation View the time zone set above the system [Root @ linux-node1 ~] # Cat/etc/sysconfig/clock ZONE = "Asia/Shanghai" Thought: how to modify the solution on a linux host: change the time zone vim/etc/sysconfig/clockZONE = "Asia/Shanghai" UTC = trueARC = false to overwrite the system time file cp-a/usr/share/zoneinfo/Asia/Shanghai/etc/ localtime #2. Start to install the

Test machine: CentOS 6.5ipaddr=192.168.1.229Rqm-qa |grep NTPNot installed, first installedYum-y Intall NTPConfiguration file LocationVim/etc/ntp.confDriftfile/var/lib/ntp/drift #这个代表上层服务与本机主板时钟之间时间差别记录在这个文件里Restrict #管理权限Restrict default kod nomodify notrap nopeer noquery #拒绝IPV4用户restrict-6 default kod nomodify notrap nopeer noquery #拒绝IPV6用户The parameters are as follows:Ignore: Turn off all NTP Online Ser

About NTPNTP ( networktime Protocol UTC 0.1ms In most places on the Internet its accuracy can be achieved 1-50ms . NTP The server is using NTP the protocol provides time synchronization services. NTP Server InstallationView system comes with

synchronize with the first-and second-level clock sources on the Internet. We can query http://www.eecis.udel.edu /~ Mills/ntp/clock1a.html to find the clock source closest to its own location.Configuration method:// Router 7206Conf tNtp source FastEthernet0/1 // specify the update source address to overwrite the conf

-description:set the date and time via NTP# Description:ntpdate sets the local clock by polling NTP servers# # # END INIT INFO# Source function library.. /etc/init.d/functions# Source Networking configuration.. /etc/sysconfig/networkProg=ntpdatelockfile=/var/lock/subsys/$progNtpconf=/etc/ntp.confNtpstep=/etc/

NTP Server Setup1. determine that two hosts are in the same network segment and can ping each other 2. Click start , click run , type regedit, and then click " Determine " . 3. Locate and click the following registry subkey:Hkey_local_machine\system\currentcontrolset\services\w32time\parameters\type4. in the right pane, right-click the Type, and then click Modify . 5. " edit value " " numeric dat

directory is stored in each time zone corresponding to the settings file/etc/localtime Local System Time setting file/etc/sysconfig/clock Local Settings file650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/3E/3C/wKioL1PGlXCRBuE1AAMKs4_cNTw728.jpg "title=" Blog.png "alt=" Wkiol1pglxcrbue1aamks4_cntw728.jpg "/>In order for the NTP service to start automatically when the system boots, execute:Chkconfig ntpd onWrite the synchronized time to the

About NTPNTP ( networktime Protocol UTC 0.1ms In most places on the Internet its accuracy can be achieved 1-50ms . NTP The server is using NTP the protocol provides time synchronization services. NTP Server InstallationView system comes with

Configuring NTP to set up the local time server NTP is a protocol used to keep the system and a precise time source at time. in Linux, we can use the Network Time Protocol to keep our system accurate. install: # Yum install NTP or find the

can specify the IP address or domain name of the NTP server you want to synchronizeThis is based on this machine, 127.0.0.1 realize the time synchronization within the LAN.6. Restart the service after the configuration is complete.ETC/INIT.D/NTPD restart7. Review the connection information after the reboot is completeNtpq-p8. Time synchronizationNtpdate Server I

You need to set up a time synchronization server in the LAN to unify the system time of each client and server. On the Internet, most of the NTP servers are indeed based on Linux. search, experiment, and summary: Write an article using the w32time service that comes with windwos2003 for time synchronization. windows 2003 Serv