diy ntp server

Linux Build local time serverPre-Experiment Description:Lab Machine: VMware 10Experimental system: CentOS6.6Experimental purpose: To make all CentOS systems on VMware the same time, convenient to do cluster experiment;#1, compile and install NTP (on the machine you want to do time server) I this machine IP: 172.16.249.135# Install the GCC compilerYum Install Gcc-y# Download Packageswget http://www.eecis.ude

Linux time synchronization configuration.I. Using the Ntpdate command1.1 When the server can link to the extranet# CRONTAB-EAdd a line:*/1 * * * * ntpdate 210.72.145.44210.72.145.44 is the China National Time Service Center server address, so that the machine every 1 minutes can be synchronized with the National Time Service center.Note: When using the Ntpdate command, the NTPD service must be turned off, o

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

1. Determine that two hosts are in the same network segment and can ping each other. (Change the server type to NTP.) To do this, follow these steps: A. Click Start, click Run, type regedit, and then click OK. B. Locate and click the following registry subkey: Hkey_local_machinesystemcurrentcontrolsetservicesw32timeparameterstype C. In the right pane, right-click Type, and then click Modify. D. Type

document configuring Windows Time service to using an internal hardware clock, I configured the Windows 2012 physical machine to be an NTP server that uses an internal hardware clock. Note that Microsoft's article how to configure authoritative time servers in Windows server is not work. Follow the steps in VMware KB 1003736 to configure three ESXi 5.5 to synchr

In the production environment, linux server time synchronization is important. The following describes how to build a time server. One slave build time server 1、install ntpservertarzxvfntp-4.2.6.tar.gz cdntp-4.2.6./configure -- prefix =/usr/local/ntp -- enable-all-clocks -- enable-parse-clocksmake am In the production

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

Linux NTPServer(time server)Date–s 22:12:30 # Set timeleap seconds 7 months 1 days : minutes at this time, to turn off the NTP service1.1.Software InstallationRequired software: installed by defaultYum Install Ntp-yntpdate-4.2.6p5-1.el6.centos.i686Fontpackages-filesystem-1.41-1.1.el6.noarchntp-4.2.6p5-1.el6.centos.i6861.2.ConfigurationNtpConfiguration file:Vi/etc

Install and configure the NTP server in CentOSIntroduction See wikipedia: Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks.Refer to Baidu Encyclopedia: NTP is a Network Time Protocol used to synchronize the Time

On the basis of the Linux system after installation--based on CentOS (5.8/6.4)--we mentioned how to automatically update the server time at timed intervals. Also mentioned, when the number of intranet machines, if all go to the public network NTP server synchronization time is there will be delay. Of course, this is not just the only meaning of deploying an

for NTP services /usr/sbin/ntpdata; The NTP client is used to connect to the NTP server command file /USR/SBIN/NTPQ Standard Network Timing Protocol (NTP) query program Configuration [Root@wap etc]# vi/etc/ntp.conf Restrict default Ignore Ignore all

1. Window server settings [Server settings]1) modify the following key values of the registry:HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ w32time \ timeproviders \ ntpserver \ enabled = 1HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ w32time \ config \ announceflags = 52) restart the NTP serviceNet stop w32time Net start w32time3)

11grac Configuring the NTP server TIP01 IP:162.20.1.228NBSP;NBSP;NTP service-side TIP02 ip:162.20.1.229 Before the NTP client configures the NTP server, verify that the server is instal

NTP server ConstructionNTP is a time server that provides the Synchronization Update time of other computers, so that the time of each computer is the same, without any deviation due to the long running of the system. The client also needs to install the NTP service.1. Install NTP