使用ntp 實現時間同步
阿新 • • 發佈:2018-12-23
1.首先安裝NTP
[[email protected] /]# yum install ntp -y
2.檢視是否安裝成功
rpm -qa|grep ntp
[[email protected] 桌面]# vi /etc/ntp.conf
修改內容如下
a) 修改 1
#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap 為
restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
b) 修改 2
server 0.centos.pool.ntp.org iburst
server 1.centos.pool.ntp.org iburst
server 2.centos.pool.ntp.org iburst
server 3.centos.pool.ntp.org iburst 為
#server 0.centos.pool.ntp.org iburst
#server 1.centos.pool.ntp.org iburst
#server 2.centos.pool.ntp.org iburst
#server 3.centos.pool.ntp.org iburst
c) 新增 3
server 127.127.1.0
fudge 127.127.1.0 stratum 10
SYNC_HWCLOCK=yes
[[email protected] 桌面]# service ntpd status ntpd 已停 [[email protected] 桌面]# service ntpd start 正在啟動 ntpd: [確定] 執行: [[email protected] 桌面]# chkconfig ntpd on
crontab -e
0-59/10 * * * * /usr/sbin/ntpdate master