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AWS AmazonLinux 時刻同期設定

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背景

  • 2022/08/04時点の情報
  • AWSの時刻同期についてのまとめ

目次

  1. タイムゾーンの設定
  2. 時刻同期設定

環境

# uname -a
Linux CMS_ALLIN_01 5.10.130-118.517.amzn2.x86_64 #1 SMP Wed Jul 13 16:51:52 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

# cat /proc/version
Linux version 5.10.130-118.517.amzn2.x86_64 (mockbuild@ip-10-0-43-203) (gcc10-gcc (GCC) 10.3.1 20210422 (Red Hat 10.3.1-1), GNU ld version 2.35-21.amzn2.0.1) #1 SMP Wed Jul 13 16:51:52 UTC 2022

# cat /etc/system-release
Amazon Linux release 2 (Karoo)

タイムゾーンの設定

  • タイムゾーンの確認
timedatectl status
▼以下の結果であればOK
-----------------------------------------------
      Local time: Thu 2022-08-04 12:48:37 JST
  Universal time: Thu 2022-08-04 03:48:37 UTC
        RTC time: Thu 2022-08-04 03:48:38
       Time zone: Asia/Tokyo (JST, +0900)
     NTP enabled: yes
NTP synchronized: yes
 RTC in local TZ: no
-----------------------------------------------
  • 日本への変更方法
timedatectl set-timezone Asia/Tokyo

AWSでの時刻同期

chronyについて

# systemctl status chronyd
  • 設定ファイル
# cat /etc/chrony.conf
  • 接続先確認
chronyc sources -v
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