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通过自构建的时间服务器主机给客户端主机同步时间

news 2025/10/24 8:42:34

主机

1.网络

ip a --->192.168.217.133/24

2.关闭防火墙关闭selinux

[root@yyy ~]# systemctl stop firewalld
[root@yyy ~]# setenforce 0

3./etc/chrony.conf

vim /etc/chrony.conf

# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (https://www.pool.ntp.org/join.html).
#pool 2.rhel.pool.ntp.org iburst
server ntp.aliyun.com iburst
# Use NTP servers from DHCP.
sourcedir /run/chrony-dhcp

# Record the rate at which the system clock gains/losses time.
driftfile /var/lib/chrony/drift

# Allow NTP client access from local network.
allow 192.168.217.129/24

# Serve time even if not synchronized to a time source.
local stratum 10

4.重启服务

[root@yyy ~]# systemctl restart chronyd

客户端

1.网络

192.168.217.129/24

2./etc/chrony.conf

vim /etc/chrony.conf

# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (https://www.pool.ntp.org/join.html).
server 192.168.217.133 iburst

# Use NTP servers from DHCP.
sourcedir /run/chrony-dhcp

# Record the rate at which the system clock gains/losses time.
driftfile /var/lib/chrony/drift

3.重启服务

[root@yyy ~]# systemctl restart chronyd

4.检验

[root@yyy ~]# chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 192.168.217.133 3 6 17 12 +11us[ +38us] +/- 23ms

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