ファイルの編集を行う。
sudo vim /etc/systemd/timesyncd.conf
なぜか、ntp.nict.jp
だと上手く行かなかったで、pool.ntp.org
を選択した。
# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # # Entries in this file show the compile time defaults. # You can change settings by editing this file. # Defaults can be restored by simply deleting this file. # # See timesyncd.conf(5) for details. [Time] NTP=0.arch.pool.ntp.org 1.arch.pool.ntp.org 2.arch.pool.ntp.org 3.arch.pool.ntp.org FallbackNTP=0.pool.ntp.org 1.pool.ntp.org 0.jp.pool.ntp.org
修正内容を反映し、サービスを再起動。
sudo systemctl daemon-reload sudo timedatectl set-ntp true sudo systemctl restart systemd-timesyncd.service
こんな感じのログが出てくれば大丈夫そう。
ubuntu@ubuntu:~(17:54:19)$ sudo systemctl status systemd-timesyncd.service ● systemd-timesyncd.service - Network Time Synchronization Loaded: loaded (/lib/systemd/system/systemd-timesyncd.service; enabled; vendor preset: enabled) Active: active (running) since Sat 2022-02-19 17:53:05 JST; 1min 16s ago Docs: man:systemd-timesyncd.service(8) Main PID: 1935 (systemd-timesyn) Status: "Connecting to time server 129.250.35.251:123 (pool.ntp.org)." Tasks: 2 (limit: 4442) CGroup: /system.slice/systemd-timesyncd.service └─1935 /lib/systemd/systemd-timesyncd 2月 19 17:53:05 ubuntu systemd[1]: Starting Network Time Synchronization... 2月 19 17:53:05 ubuntu systemd[1]: Started Network Time Synchronization. 3月 06 14:03:56 ubuntu systemd-timesyncd[18103]: Synchronized to time server 129.250.35.250:123 (2.arch.pool.ntp.org).