linux服務ntp
NTP服務器
NTP --------- Network Time Protocol 網絡時間協議
軟件: ntp
配置文件:/etc/ntp.conf
服務:ntpd
端口:123/udp
示例:配置ntp時間服務器
1) 安裝ntp軟件
[[email protected] ~]# yum install -y ntp
2) 編輯ntp配置文件
[[email protected] ~]# vim /etc/ntp.conf
restrict 192.168.87.0 mask 255.255.255.0 nomodify
server 127.127.1.0 iburst
fudge 127.127.1.0 stratum 10
[[email protected] ~]# systemctl start ntpd
[[email protected] ~]# systemctl enable ntpd
Created symlink from /etc/systemd/system/multi-user.target.wants/ntpd.service to /usr/lib/systemd/system/ntpd.service.
[[email protected] ~]#
[[email protected] ~]# ss -anup | grep :123
UNCONN 0 0 192.168.124.1:123 *:* users:(("ntpd",pid=6092,fd=20))
UNCONN 0 0 192.168.87.101:123 *:* users:(("ntpd",pid=6092,fd=19))
3) 關閉SELinux和防火墻
客戶端測試:
[[email protected] ~]# ntpdate 192.168.87.101
11 Nov 12:15:19 ntpdate[13399]: adjust time server 192.168.87.101 offset -0.001224 sec
[[email protected] ~]#
本文出自 “lyw666” 博客,請務必保留此出處http://lyw666.blog.51cto.com/12823216/1957478
linux服務ntp