站長(zhǎng)資訊網(wǎng)簡(jiǎn)介
chrony是網(wǎng)絡(luò)時(shí)間協(xié)議（NTP）的通用實(shí)現(xiàn),chrony中包含兩個(gè)程序，chronyd是一個(gè)可以在啟動(dòng)時(shí)啟動(dòng)的守護(hù)程序，chronyc是一個(gè)命令行界面程序。
配置文件：chrony.conf CentOS Linux release 7.6 配置文件 啟動(dòng)服務(wù) 查看端口 配置文件 啟動(dòng)服務(wù)環(huán)境
安裝Chrony
yum install -y chrony
server端(10.120.123.8)
vim/etc/chrony.conf allow 10.120.123.0/24
systemctl start chronyd.service systemctl enable chronyd.service
netstat -nlup | grep chronyd udp 0 0 0.0.0.0:123 0.0.0.0:* 9091/chronyd udp 0 0 127.0.0.1:323 0.0.0.0:* 9091/chronyd udp6 0 0 ::1:323 :::* 9091/chronyd
client端(10.120.123.9)
vim/etc/chrony.conf server 10.120.123.8 iburst #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
systemctl start chronyd.service systemctl enable chronyd.service
查看同步狀態(tài)
1,chronyc sourcestats
210 Number of sources = 1 Name/IP Address NP NR Span Frequency Freq Skew Offset Std Dev ============================================================================== 10.120.123.8 0 0 0 +0.000 2000.000 +0ns 4000ms
2.chronyc sources -v
210 Number of sources = 1 .-- Source mode '^' = server, '=' = peer, '#' = local clock. / .- Source state '*' = current synced, '+' = combined , '-' = not combined, | / '?' = unreachable, 'x' = time may be in error, '~' = time too variable. || .- xxxx [ yyyy ] +/- zzzz || Reachability register (octal) -. | xxxx = adjusted offset, || Log2(Polling interval) --. | | yyyy = measured offset, || | | zzzz = estimated error. || | | MS Name/IP address Stratum Poll Reach LastRx Last sample ===============================================================================
