On 2020-08-16 15:43, Cătălin George Feștilă wrote:
var/lib/ntp/ is empty ...
I have settings for chrony ... vim /etc/chrony.conf with the line:
# Record the rate at which the system clock gains/losses time.
driftfile /var/lib/chrony/drift
[mythcat@desk ~]$ cat /var/lib/chrony/drift
-12.876545 3.064993
About the ntp, I enable ntpd and this is result without
[mythcat@desk ~]$ sudo dnf install ntp
Last metadata expiration check: 0:17:59 ago on Sun 16 Aug 2020 10:20:23 AM EEST.
Package ntp-4.2.8p15-1.fc32.x86_64 is already installed.
Dependencies resolved.
Nothing to do.
Complete!
[mythcat@desk ~]$ cat /etc/redhat-release
Fedora release 32 (Thirty Two)
[mythcat@desk ~]$ systemctl status ntpd
● ntpd.service - Network Time Service
Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor
First of all, chronyd and ntpd are both NTP implementations. You can run either one, but
not both.
By default, fedora installs and uses chronyd.
If you wish to run ntpd instead of chronyd you should do....
systemctl --now disable ntpd
systemctl --now enable ntpd
You should then see something like....
systemctl status ntpd
● ntpd.service - Network Time Service
Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor preset:
disabled)
Active: active (running) since Sun 2020-08-16 16:24:43 CST; 1h 5min ago
Process: 1965 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS (code=exited,
status=0/SUCCESS)
Main PID: 1967 (ntpd)
Tasks: 2 (limit: 1327)
Memory: 1.4M
CPU: 356ms
CGroup: /system.slice/ntpd.service
└─1967 /usr/sbin/ntpd -u ntp:ntp -g
Aug 16 16:26:01
f32x.greshko.com ntpd[1967]: Soliciting pool server 2001:418:8405:4002::3
Aug 16 16:26:01
f32x.greshko.com ntpd[1967]: Soliciting pool server
2607:fcd0:100:8203::ba91:df54
Then take note of the man page for ntpd. And you'll find....
the drift file is automatically updated once per hour and is available to initialize the
frequency
on subsequent daemon restarts
This means that ntpd must be running for 1 hour before the drift file is created/updated.
Note that I started ntpd at 16:26:01. At that time no drift file existed. But then....
[root@f32x ~]# ll /var/lib/ntp/
total 4
-rw-r--r--. 1 ntp ntp 8 Aug 16 17:24 drift
[root@f32x ~]# cat /var/lib/ntp/drift
-19.732
--
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