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linux、Windows搭建SNTP和NTP时间同步服务器

2020-06-19 乐虎游戏科技供稿浏览量：751

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摘要： windwos和Linux系统上创建时间同步服务器

## 一、在windwos中设置ntp的server服务

1、先关闭Windows系统自带的防火墙

2、在“服务”中找到“Windows Time”设置启动

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3、“开始”--》“运行”--》输入“regedit”打开注册表。

4、在注册表中依次展开：HKEY_LOCAL_MACHINE、SYSTEM、CurrentControlSet、Services、W32Time、TimeProviders、NtpServer，

在NtpServer项的右侧键值ENablied，将默认的0改为1，1为启用NTP服务器。

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5、再在注册表中依次展开：HKEY_LOCAL_MACHINE、SYSTEM、CurrentControlSet、Services、W32Time、Config

找到Config项右侧的AnnounceFlags。

把默认的10改为5，5的意思就是自身为可靠的时间源
<div align=center>

</div>
6、在命令提示符中输入：net stop w32Time，回车

等待NTP服务停止。

然后再输入：net start w32Time，回车

启动NTP服务。
<div align=center>

</div>

## 二、在windwos中同步ntp时间

最后别的系统就能同步时间了

</div>

## 三、在linux中设置ntp的client服务同步

1、安装ntp

命令：sudo apt-get install ntp

2、安装完之后可以查看ntp是否启动

命令：service --status-all

[ ? ]  acpid

[ ? ]  apache

[ + ]  apache2

[ - ]  apparmor

[ ? ]  apport

[ ? ]  atd

[ - ]  bootlogd

[ ? ]  console-setup

[ ? ]  cron

[ ? ]  dbus

[ ? ]  dmesg

[ ? ]  dns-clean

[ ? ]  friendly-recovery

[ - ]  grub-common

[ ? ]  hostname

[ ? ]  hwclock

[ ? ]  hwclock-save

[ ? ]  irqbalance

[ ? ]  killprocs

[ ? ]  module-init-tools

[ ? ]  mysql

[ + ]  nagios

[ + ]  nagios-bak

[ ? ]  network-interface

[ ? ]  network-interface-container

[ ? ]  network-interface-security

[ ? ]  networking

[ + ]  ntp

[ ? ]  ondemand

可以看到ntp服务已经启动（[+]表示已经启动。）

3、配置ntp.conf文件参数

命令：vim /etc/ntp.conf

#/etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help

driftfile /var/lib/ntp/ntp.drift

#Enable this if you want statistics to be logged.

#statsdir /var/log/ntpstats/

statistics loopstats peerstats clockstats

filegen loopstats file loopstats type day enable

filegen peerstats file peerstats type day enable

filegen clockstats file clockstats type day enable

#Specify one or more NTP servers.

#Use servers from the NTP Pool Project. Approved by Ubuntu Technical Board

#on 2011-02-08 (LP: #104525). See //www.pool.ntp.org/join.html for

#more information.

#linux自带的时间同步，需要注释掉

####pool 0.ubuntu.pool.ntp.org iburst

####pool 1.ubuntu.pool.ntp.org iburst

####pool 2.ubuntu.pool.ntp.org iburst

####pool 3.ubuntu.pool.ntp.org iburst

#Use Ubuntu's ntp server as a fallback.

####pool ntp.ubuntu.com

#Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for

#details.  The web page //support.ntp.org/bin/view/Support/AccessRestrictions

#might also be helpful.

#Note that "restrict" applies to both servers and clients, so a configuration

#that might be intended to block requests from certain clients could also end

#up blocking replies from your own upstream servers.

#By default, exchange time with everybody, but don't allow configuration.

restrict -4 default kod notrap nomodify nopeer noquery limited

restrict -6 default kod notrap nomodify nopeer noquery limited

#Local users may interrogate the ntp server more closely.

restrict 127.0.0.1

restrict ::1

#增加214作为时间服务器即可

server 192.168.1.137

#Needed for adding pool entries

restrict source notrap nomodify noquery

#Clients from this (example!) subnet have unlimited access, but only if

#cryptographically authenticated.

#restrict 192.168.123.0 mask 255.255.255.0 notrust

#If you want to provide time to your local subnet, change the next line.

#(Again, the address is an example only.)

#broadcast 192.168.123.255

#If you want to listen to time broadcasts on your local subnet, de-comment the

#next lines.  Please do this only if you trust everybody on the network!

#disable auth

#broadcastclient

#Changes recquired to use pps synchonisation as explained in documentation:

#//www.ntp.org/ntpfaq/NTP-s-config-adv.htm#AEN3918

#server 127.127.8.1 mode 135 prefer    # Meinberg GPS167 with PPS

#fudge 127.127.8.1 time1 0.0042        # relative to PPS for my hardware

#server 127.127.22.1                   # ATOM(PPS)

#fudge 127.127.22.1 flag3 1            # enable PPS API

退出保存，重启ntp服务

执行 service ntp restart

4、查看ntp服务是否配置完成

在ntp server上执行ntpq -p

在ntp client上执行ntpq -p
<div align=center>

</div>

5、ntp服务的相关命令

启动：service ntp start

停止：service ntp stop

重新启动：service ntp restart

6、时间同步

命令：ntpdate 192.168.1.137    //服务器ip地址

1）如果提示ntpdate不能使用，需要安装ntpdate

命令：apt-get install ntpdate

2）如果提示

27 Feb 14:59:32 ntpdate[18546]: the NTP socket is in use, exiting

则需要停止ntp命令：service ntp stop

7、定时更新

命令：vi /etc/crontab

下面表示每天11点20自动执行ntpdate指令，与服务器时间同步，如果不自动同步，需要停止下ntp。

#m h dom mon dow user  command

2011   * * *   root    /usr/sbin/ntpdate 192.168.1.137

</div>

## 四、在linux中设置ntp的server服务

1、安装ntp

与前面第3点的安装ntp一样

2、修改配置文件

命令：vim/etc/ntp.conf

#/etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help

driftfile /var/lib/ntp/ntp.drift

#Enable this if you want statistics to be logged.

#statsdir /var/log/ntpstats/

statistics loopstats peerstats clockstats

filegen loopstats file loopstats type day enable

filegen peerstats file peerstats type day enable

filegen clockstats file clockstats type day enable

#Specify one or more NTP servers.

#Use servers from the NTP Pool Project. Approved by Ubuntu Technical Board

#on 2011-02-08 (LP: #104525). See //www.pool.ntp.org/join.html for

#more information.

#linux自带的时间同步，需要注释掉

####pool 0.ubuntu.pool.ntp.org iburst

####pool 1.ubuntu.pool.ntp.org iburst

####pool 2.ubuntu.pool.ntp.org iburst

####pool 3.ubuntu.pool.ntp.org iburst

#Use Ubuntu's ntp server as a fallback.

####pool ntp.ubuntu.com

#Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for

#details.  The web page //support.ntp.org/bin/view/Support/AccessRestrictions

#might also be helpful.

#Note that "restrict" applies to both servers and clients, so a configuration

#that might be intended to block requests from certain clients could also end

#up blocking replies from your own upstream servers.

#By default, exchange time with everybody, but don't allow configuration.

restrict -4 default kod notrap nomodify nopeer noquery limited

restrict -6 default kod notrap nomodify nopeer noquery limited

#Local users may interrogate the ntp server more closely.

restrict 127.0.0.1

restrict ::1

#因为是内网，所以用本地时间作为服务器时间，注意这里不是127.0.0.1

server 127.127.1.0

fudge 127.127.1.0 stratum 8

#开放192.168.1.0整个网段，即在这个网段的所有机器都可以使用214作为时间同步服务端

restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap

#Needed for adding pool entries

restrict source notrap nomodify noquery

#Clients from this (example!) subnet have unlimited access, but only if

#cryptographically authenticated.

#restrict 192.168.123.0 mask 255.255.255.0 notrust

#If you want to provide time to your local subnet, change the next line.

#(Again, the address is an example only.)

#broadcast 192.168.123.255

#If you want to listen to time broadcasts on your local subnet, de-comment the

#next lines.  Please do this only if you trust everybody on the network!

#disable auth

#broadcastclient

#Changes recquired to use pps synchonisation as explained in documentation:

#//www.ntp.org/ntpfaq/NTP-s-config-adv.htm#AEN3918

#server 127.127.8.1 mode 135 prefer    #Meinberg GPS167 with PPS

#fudge 127.127.8.1 time1 0.0042        #relative to PPS for my hardware

#server 127.127.22.1                   #ATOM(PPS)

#fudge 127.127.22.1 flag3 1            #enable PPS API

退出保存，重启ntp服务

执行 service ntp restart

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