리눅스 > Redhat(CentOS) > [redhat7] chronyc 확인 방법

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[redhat7] chronyc 확인 방법

글쓴이 : theko 날짜 : 2015-11-18 (수) 18:57 조회 : 2291

# chronyc tracking

Reference ID : 1.2.3.4 (a.b.c) ///NTP 서버가 잡힘

Stratum : 3

Ref time (UTC) : Fri Feb 3 15:00:29 2012

System time : 0.000001501 seconds slow of NTP time

Last offset : -0.000001632 seconds

RMS offset : 0.000002360 seconds

Frequency : 331.898 ppm fast

Residual freq : 0.004 ppm

Skew : 0.154 ppm

Root delay : 0.373169 seconds

Root dispersion : 0.024780 seconds

Update interval : 64.2 seconds

Leap status : Normal

theko

2018-12-06 (목) 09:40

# timedatectl
Local time: Sat 2015-11-07 08:17:33 EST
Universal time: Sat 2015-11-07 13:17:33 UTC
RTC time: Sat 2015-11-07 13:17:33
Timezone: America/New_York (EST, -0500)
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: no
Last DST change: DST ended at
Sun 2015-11-01 01:59:59 EDT
Sun 2015-11-01 01:00:00 EST
Next DST change: DST begins (the clock jumps one hour forward) at
Sun 2016-03-13 01:59:59 EST
Sun 2016-03-13 03:00:00 EDT

<pre style="margin-top: 0px; margin-bottom: 0px; padding: 6px 10px; border-width: 1px; border-style: solid; border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-image: initial; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: monospace, serif; font-size: 14px; vertical-align: middle; box-sizing: border-box; width: 605.484px; height: auto; border-radius: 2px; outline: none; background: rgb(244, 244, 244); box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; overflow-wrap: normal; overflow-x: auto; color: rgb(85, 85, 85);"># <span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline;">timedatectl</span>
Local time: Sat 2015-11-07 08:17:33 EST
Universal time: Sat 2015-11-07 13:17:33 UTC
RTC time: Sat 2015-11-07 13:17:33
Timezone: <span style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline;">America/New_York (EST, -0500)</span>
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: no
Last DST change: DST ended at
Sun 2015-11-01 01:59:59 EDT
Sun 2015-11-01 01:00:00 EST
Next DST change: DST begins (the clock jumps one hour forward) at
Sun 2016-03-13 01:59:59 EST
Sun 2016-03-13 03:00:00 EDT</pre>

theko

2018-12-06 (목) 09:50

# chronyc sources

210 Number of sources = 3

MS Name/IP address Stratum Poll Reach LastRx Last sample

===============================================================================

^? 210.98.16.100 0 7 0 - +0ns[ +0ns] +/- 0ns

^* time.bora.net 2 6 377 54 -900us[ -998us] +/- 85ms

^? 168.126.3.6 0 7 0 - +0ns[ +0ns] +/- 0ns