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(1) 服务器端配置 安装ntp:$ sudo apt install ntp

编辑配置文件/etc/ntp.conf $ sudo vim /etc/ntp.conf

添加如下内容: server 127.127.1.0 # local clock fudge 127.127.1.0 stratum 10 为了让本机的硬件时间和本机的ntp服务进行时间同步。

重启ntp服务:$ sudo /etc/init.d/ntp restart


(2) 客户端配置 安装ntp:$ sudo apt install ntp

编辑配置文件/etc/ntp.conf $ sudo vim /etc/ntp.conf

添加如下内容: server 192.168.2.4 # 笔记本的ip地址

重启ntp服务:$ sudo /etc/init.d/ntp restart

$ sudo /usr/sbin/ntpdate server.IP


为了避免每次时间同步都要输入上述指令 可以在/etc/crontab文件中配置,每分钟进行一次时间同步。

$ sudo vim /etc/crontab

末尾添加如下内容:

          • /usr/sbin/ntpdate 192.168.2.4;/sbin/hwlocal -w

(3) 验证时间误差 安装clockdiff: sudo apt-get install iputils-clockdiff $ sudo clockdiff server.IP

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