我已经安装了 chrony 并尝试从配置的 NTP 池中获取时间。我已经在 timedatectl 上启用了 NTP。但是如何确保我在“date/timedatectl”命令中看到的时间是从 NTP 服务器获得的。在 Ubuntu 18.04 timedatectl命令未显示 NTP 同步详细信息。
/etc/chrony/chrony.conf
pool time.google.com prefer iburst
keyfile /etc/chrony/chrony.keys
commandkey 1
driftfile /var/lib/chrony/chrony.drift
log tracking measurements statistics
logdir /var/log/chrony
maxupdateskew 100.0
dumponexit
dumpdir /var/lib/chrony
dumpdir /var/lib/chrony
logchange 0.5
hwclockfile /etc/adjtime
rtcsync
root@server-2:~# systemctl status chronyd
● chrony.service - chrony, an NTP client/server
Loaded: loaded (/lib/systemd/system/chrony.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2020-11-11 12:16:13 IST; 43min ago
Docs: man:chronyd(8)
man:chronyc(1)
man:chrony.conf(5)
Process: 6228 ExecStartPost=/usr/lib/chrony/chrony-helper update-daemon (code=exited, status=0/SUCCESS)
Process: 6202 ExecStart=/usr/lib/systemd/scripts/chronyd-starter.sh $DAEMON_OPTS (code=exited, status=0/SUCCESS)
Main PID: 6226 (chronyd)
Tasks: 1 (limit: 2318)
CGroup: /system.slice/chrony.service
└─6226 /usr/sbin/chronyd
Nov 11 12:16:13 server-2 systemd[1]: Starting chrony, an NTP client/server...
Nov 11 12:16:13 server-2 chronyd[6226]: chronyd version 3.2 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SECHASH
Nov 11 12:16:13 server-2 chronyd[6226]: commandkey directive is no longer supported
Nov 11 12:16:13 server-2 chronyd[6226]: Frequency -88.224 +/- 0.493 ppm read from /var/lib/chrony/chrony.drift
Nov 11 12:16:13 server-2 systemd[1]: Started chrony, an NTP client/server.
sudo timedatectl set-ntp true
root@server-2:~# timedatectl
Local time: Wed 2020-11-11 13:04:58 IST
Universal time: Wed 2020-11-11 07:34:58 UTC
RTC time: Wed 2020-11-11 07:34:58
Time zone: Asia/Kolkata (IST, +0530)
System clock synchronized: yes
systemd-timesyncd.service active: yes
RTC in local TZ: no
root@server-2:~#
timedatectl输出中没有提供 NTP 同步的详细信息。那么我们如何确认 ntp 是否启用并且 timedatectl 是否与 NTP 服务器同步。
要查看 chrony 同步时钟的当前状态，请从
chronyc -n tracking和开始chronyc -n sources。