This article describes in detail how to configure the NTP time synchronization server, and takes CISCO 7200 as an example. I hope this article will help you.
For the purpose of network management, we set up netflow to monitor traffic and obtain detailed access records for Intranet users to access the Internet. Such records can be accurate to seconds, the premise is that the time of the monitored vro or vswi
quickly build NTP time synchronization server under LinuxBackground:server more, time consistency and readiness is particularly important, although this problem is always ignored, but the unification of time is very necessary, because the time problem caused by service problems is also commonplace, this article briefly introduce the rapid construction and use of NTP
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 ntp rpm package from the installati
NTP server is used for LAN time synchronization. You can ensure that all servers in the LAN are synchronized with the time server. Some applications require a higher time-to-live nature. Requirements must be unified time, so the configuration of the time server is important.The internet has a lot of time servers. For e
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
SYN2136 type Beidou NTP network time serverProduct OverviewSYN2136-type Beidou NTP network time server is designed by Xi ' an synchronous Electronic Technology Co., Ltd., self-developed and produced a time server based on the NTP/SNTP protocol, receive Beidou satellite signa
Environment:1. NTP server: ip:192.168.4.1972. NTP Client: ip:192.168.4.196My Server System version 6.7 (service side) and 6.4Installation:1, after the new server set up the network,/etc/sysconfig/network-scripts/network card location in this directory. The name of the genera
Configure NTP and synchronize server time
Configure NTP and synchronize server time
There are more and more servers in the project. Recently, Database Synchronization has been performed on several servers. When a synchronization error occurs, you can view the logs, as a result, we found a small problem that has been ig
Configure NTP to synchronize server timeMore and more servers in the project, and recently in a few servers to synchronize the database, synchronization error to look at the log, and then found a small problem has been neglected---several servers time inconsistent.The data is then consulted, and the decision is made to use NTP (Network time Protocol, Internet Pro
Synchronization time of ntp server deployment in Centos7
View the time zone list: timedatectl list-timezones | grep AsiaSet China Time Zone: timedatectl set-timezone Asia/Shanghai. After the execution, the time is changed to Beijing time.View Current Time: dateView Current Settings:[Root @ localhost ~] # TimedatectlLocal time: Mon 2017-10-09 16:44:08 CSTUniversal time: Mon 2017-10-09 08:44:08 UTCRTC time: M
Installing NTP
wget http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.6p3.tar.gz
Tar ntp-4.2.6p3.tar.gz
CD NTP-4.2.6P3
./configure--PREFIX=/USR/LOCAL/NTP--enable-all-clo
1. Introduction to NTPNTP, Network Time Protocol, is a protocol that is used to synchronize the time of each computer in a network. Its purpose is to synchronize the computer clock to the World coordinated UTC, its accuracy in the LAN up to 0.1ms, in most places on the Internet its accuracy can reach 1-50ms.NTP servers provide time synchronization services using the NTP protocol.2. NTP
First, select the server base clock, you can select the internal hardware clock and external NTP timing server. (Make sure your time is accurate first)
A. Configuring the Windows Time service to use the server internal hardware clock
(1). Click Start, click Run, type regedit, and then click OK.
(2). Locate and then
Take the RHCE lab as standard. A simple NTP time server standard configuration is as follows: (Fu) server side: first, modify the system time and write the system time into dateMMDDhhmmYYYY in the hardware time. ss; hwclock-wvim/etc/ntp. confrestrictdefaultnomodifynotrapnoqueryrestrict127.0.0.1restrict192138.
Take the
.
Regardless of the time that we want to sync the system through any channel, the provider will usually give only the utc+0 time value and not the time zone (because it doesn't know where you are). So when we set the system time, it's the first thing to do
# date
Thu Oct 11:22:45 EDT 2013
If the time zone is found to be incorrect, the method of modification is shown in Appendix 1
2. Check that NTP is installed
# Rpm-qa |grep ^
Server-side:1. PackagingSlightly....2. Modify the NTP service configuration fileConfiguration file location:/etc/ntp.confWhat to modify:# Set the IP network segment to synchronize with the server time , the following is the 192.168.x.x machine can synchronize with the serverRestrict 192.168.0.0 mask 255.255.0.0# Set the serve
Target Environment,3DeskCentOS 6.6, a set asNTPDServices and external publicNTPService synchronization time, as well as the intranetNTPDservers, and other machines do time synchronization with this service. 650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/57/FC/wKioL1Sl4kbg5vAhAADo9wtkxQY205.jpg "title=" 1.jpg " alt= "Wkiol1sl4kbg5vahaado9wtkxqy205.jpg" style= "padding:0px;margin:0px;vertical-align:top;border:none;"/>1, NTP time synchronizat
Basic configuration fileYou want to configure local time server server 127.127.1.0 must write this# --- GENERAL CONFIGURATION ---server aaa.bbb.ccc.dddserver 127.127.1.0fudge 127.127.1.010# Drift file.driftfile /etc/ntp/driftMy exampleRestrict 192.168.0.0 mask 255.255.255.0 nomodifyAllow 192.168.0.0 Network segment
Configuration from server:2.1 Package Installation:[email protected] ~]# Yum install-y bind Bind-chroot Bind-utlis2.2 Copy profile Template:[Email protected] ~]# cp-rv/usr/share/doc/bind-9.8.2/sample/etc/*/var/named/chroot/etc/2.3 Changing the server from the configuration file[Email protected] etc]# vi/var/named/chroot/etc/named.confOptions{ // Put files that named is allowed to write in the data/ dire
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