Chrony時(shí)間服務(wù)器
是一個(gè)時(shí)間
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
server:時(shí)間服務(wù)器地址;
allow:允許客戶端;
deny:拒絕客戶端;;
localstratum10:即使自己未能同步網(wǎng)絡(luò)時(shí)間,也允許授時(shí)給其它客戶端;
環(huán)境
CentOSLinuxrelease7.6
server:10.120.123.8
client:10.120.123.9
安裝Chrony
yuminstall-ychrony
server端
配置文件
vim/etc/chrony.confallow10.120.123.0/24
啟動(dòng)服務(wù)
systemctlstartchronyd.servicesystemctlenablechronyd.service
查看端口
netstat-nlup|grepchronydudp000.0.0.0:1230.0.0.0:*9091/chronydudp00127.0.0.1:3230.0.0.0:*9091/chronydudp600::1:323:::*9091/chronyd
client端
配置文件
vim/etc/chrony.confserver10.120.123.8iburst#server0.centos.pool.ntp.orgiburst#server1.centos.pool.ntp.orgiburst#server2.centos.pool.ntp.orgiburst#server3.centos.pool.ntp.orgiburst
啟動(dòng)服務(wù)
systemctlstartchronyd.servicesystemctlenablechronyd.service
查看同步狀態(tài)
1,chronycsourcestats
210Numberofsources=1Name/IPAddressNPNRSpanFrequencyFreqSkewOffsetStdDev==============================================================================10.120.123.8000+0.0002000.000+0ns4000ms
2.chronycsources-v
210Numberofsources=1.--Sourcemode'^'=server,'='=peer,'#'=localclock./.-Sourcestate'*'=currentsynced,'+'=combined,'-'=notcombined,|/'?'=unreachable,'x'=timemaybeinerror,'~'=timetoovariable.||.-xxxxyyyy+/-zzzz||Reachabilityregister-.|xxxx=adjustedoffset,||Log2--.||yyyy=measuredoffset,||\||zzzz=estimatederror.||||\MSName/IPaddressStratumPollReachLastRxLastsample===============================================================================
Tags:是一個(gè)時(shí)間,Chrony時(shí)間服務(wù)器
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