restrict ::1# Hosts on local network are less restricted.#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap# Use public servers from the pool.ntp.org project.# Please consider joining the pool (http://www.pool.ntp.org/join.html).server 0.centos.pool.ntp.org iburst server 1.centos...
fudge 127.127.1.0 stratum 10# Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for# details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions># might also be helpful.## Note that "restrict" applies to both servers and clients, so a config...
修改/etc/ntp/stpe-tickers文件,内容如下(当ntpd服务启动时,会自动与该文件中记录的上层NTP服务进行时间校对) [root@localhost ntp]# more /etc/ntp/step-tickers # List of servers used for initial synchronization. [root@localhost ntp]# vi /etc/ntp/step-tickers # List of servers used for initial s...
[root@localhost ntp]# vi /etc/ntp/step-tickers # List of servers used for initial synchronization. server 192.168.7.49 prefer server 0.rhel.pool.ntp.org server 1.rhel.pool.ntp.org server 2.rhel.pool.ntp.org server 3.rhel.pool.ntp.org C:配置/etc/sysconfig/ntpd文件 ntp服务,默认只会同步...
# Use public servers from the pool.ntp.org project. 1. # Please consider joining the pool (http://www.pool.ntp.org/join.html). 1. server 0.rhel.pool.ntp.org iburst 1. server 1.rhel.pool.ntp.org iburst 1. server 2.rhel.pool.ntp.org iburst ...
查看NTP服务: NTP服务主要是UDP且在port123端口 [root@X /]# netstat -tlunp | grep ntp 设置开机自启动: [root@YuZhenXing ~]# chkconfig ntpd on [root@YuZhenXing ~]# chkconfig --list ntpd ntpd 0:off 1:off 2:on 3:on 4:on 5:on 6:off NTP的主配置文件/etc/ntp.conf解析 # Permit ti...
1. 启动ntp服务 #service ntpd status #service ntpd start #chkconfig –list ntpd #chkconfig ntpd on #在运行级别2、3、4、5上设置为自动运行 2. 查看ntp服务器有无和上层ntp连通 3. 查看ntp服务器与上层ntp的状态 remote - 本机和上层ntp的ip或主机名,“+”表示优先,“*”表示次优先 ...
# List of NTP servers used by the ntpdate service. 定时同步可使用 crontab,添加定时任务 systemctl start crond systemctl enable crond # 添加 crontab –e # 每两个小时同步一次 0 */2 * * * ntpdate s2m.time.edu.cn && hwclock -w
NTP service: active RTC in local TZ: no 我们可以得知: 本地时间值和 UTC 时间值均为 Sun 2022-02-27 12:52:24 UTC; 硬件时间不存在; 时区为 UTC (UTC+0); 已经开启系统时间同步。 硬件时间 上方的示例中硬件时间 (RTC time) 显示为“n/a”,也就是不存在。在一部存在硬件时间的 Linux 设备上,...
修改ntp.conf 文件 [root@node ~]# vim /etc/ntp.conf [root@node ~]# grep server /etc/ntp.conf # Use public servers from the pool.ntp.org project. #server 0.centos.pool.ntp.org iburst server ntp.aliyun.com iburst #broadcast 192.168.1.255 autokey # broadcast server ...