Job chronyd.service/start failed with result 'dependency'
Issue : CRITICAL: Neither ntpd nor chronyd running. Exiting
Error : systemd[1]: Dependency failed for NTP client/server.
systemd[1]: Job chronyd.service/start failed with result 'dependency'.
By default, the NTP service available on Oracle Linux 7 and Red Hat Linux 7 is chronyd and
the NTP service available on Oracle Linux 6 and Red Hat Linux 6 or lower is ntpd.
configuration file : /etc/chrony.conf
chrony RPM :
# yum list |grep chrony
chrony.x86_64 3.4-1.0.1.el7 @goit-patch
collectd-chrony.x86_64 5.8.1-1.el7 epel_7_x86_64
# systemctl enable chronyd
Failed to execute operation: Connection timed out
# journalctl -u chronyd.service
-- Logs begin at Fri 2021-03-19 16:03:12 EDT, end at Wed 2021-03-24 16:25:56 EDT. --
Mar 19 16:07:35 systemd[1]: Dependency failed for NTP client/server.
Mar 19 16:07:35 systemd[1]: Job chronyd.service/start failed with result 'dependency'.
# systemctl status -l chronyd
● chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:chronyd(8)
man:chrony.conf(5)
Mar 19 16:07:35 systemd[1]: Dependency failed for NTP client/server.
Mar 19 16:07:35 systemd[1]: Job chronyd.service/start failed with result 'dependency'.
# date;hwclock
Wed Mar 24 16:32:46 EDT 2021
Wed 24 Mar 2021 04:32:45 PM EDT -0.747989 seconds
Disable chronyd :
# systemctl disable chronyd
Removed symlink /etc/systemd/system/multi-user.target.wants/chronyd.service.
# systemctl disable ntpd
Removed symlink /etc/systemd/system/multi-user.target.wants/ntpd.service.
check NTP service :
# systemctl list-unit-files |grep ntpd
ntpd.service disabled
ntpdate.service disabled
Enable chronyd:
# systemctl enable chronyd
Created symlink from /etc/systemd/system/multi-user.target.wants/chronyd.service to /usr/lib/systemd/system/chronyd.service.
Check the chronyd service :
# systemctl list-unit-files |grep chronyd
chronyd.service enabled
# systemctl start chronyd
To check the status of the chronyd daemon :
# systemctl status chronyd
● chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-03-24 16:36:09 EDT; 8s ago
Docs: man:chronyd(8)
man:chrony.conf(5)
Process: 24655 ExecStartPost=/usr/libexec/chrony-helper update-daemon (code=exited, status=0/SUCCESS)
Process: 24649 ExecStart=/usr/sbin/chronyd $OPTIONS (code=exited, status=0/SUCCESS)
Main PID: 24651 (chronyd)
CGroup: /system.slice/chronyd.service
└─24651 /usr/sbin/chronyd
Mar 24 16:36:09 systemd[1]: Starting NTP client/server...
Mar 24 16:36:09 chronyd[24651]: chronyd version 3.4 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +SECHASH +IPV6 +DEBUG)
Mar 24 16:36:09 chronyd[24651]: commandkey directive is no longer supported
Mar 24 16:36:09 chronyd[24651]: generatecommandkey directive is no longer supported
Mar 24 16:36:09 chronyd[24651]: Frequency 6.328 +/- 0.003 ppm read from /var/lib/chrony/drift
Mar 24 16:36:09 systemd[1]: Started NTP client/server.
Mar 24 16:36:14 chronyd[24651]: Selected source 10.38.64.8
Mar 24 16:36:14 chronyd[24651]: System clock wrong by -2.424961 seconds, adjustment started
Below are some useful commands :
# chronyc tracking
Reference ID : 0A264008 (cssknmuscghhb02.ntp.ge.com)
Stratum : 3
Ref time (UTC) : Wed Mar 24 21:01:05 2021
System time : 0.000067756 seconds fast of NTP time
Last offset : +0.000067914 seconds
RMS offset : 0.000093996 seconds
Frequency : 6.310 ppm fast
Residual freq : +0.004 ppm
Skew : 0.229 ppm
Root delay : 0.013916761 seconds
Root dispersion : 0.004114292 seconds
Update interval : 64.9 seconds
Leap status : Normal
# chronyc sources
210 Number of sources = 4
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^+ cssknmvvvvv.ntp.gde.c> 2 7 377 56 -4988us[-4920us] +/- 24ms
^- cssknefdsfvc02.ntp.gde.c> 2 7 377 313 +3474us[+3474us] +/- 49ms
^* cssknmuscxxxb02.scgdn.gce.c> 2 6 377 53 +2412us[+2480us] +/- 11ms
^- csskneuxxxxx2.gdsan.gae.c> 2 6 377 53 +2862us[+2862us] +/- 47ms
# chronyc sourcestats
210 Number of sources = 4
Name/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
==============================================================================
cssknmucscscscsn.gdde.c> 20 9 24m -0.005 0.217 -5050us 98us
cssknenladcscds2.gdn.ge.c> 21 14 20m -0.021 0.070 +3418us 25us
ntp2.ntp.gse.com 7 5 390 +0.029 0.739 +2405us 42us
csskneuklinhcsd2.ntp.gse.c> 14 9 905 +0.007 0.070 +2860us 19us
# chronyc activity
200 OK
4 sources online
0 sources offline
0 sources doing burst (return to online)
0 sources doing burst (return to offline)
0 sources with unknown address
[root@gf250sa1usplagcfefp ~]# timedatectl
Local time: Wed 2021-03-24 16:38:30 EDT
Universal time: Wed 2021-03-24 20:38:30 UTC
RTC time: Wed 2021-03-24 20:38:30
Time zone: EST5EDT (EDT, -0400)
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
Sun 2021-03-14 01:59:59 EST
Sun 2021-03-14 03:00:00 EDT
Next DST change: DST ends (the clock jumps one hour backwards) at
Sun 2021-11-07 01:59:59 EDT
Sun 2021-11-07 01:00:00 EST
Running chronyc sources -v shows the current state of the NTP server/s configured in the system :
# chronyc sources -v
210 Number of sources = 4
.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current synced, '+' = combined , '-' = not combined,
| / '?' = unreachable, 'x' = time may be in error, '~' = time too variable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^+ cssknmusalphb4602.gdn.gje.c> 2 6 77 29 -4992us[-4943us] +/- 23ms
^- cssknenlahmehbdhs2.ntp.gje.c> 2 6 77 28 +3310us[+3358us] +/- 49ms
^* cssknmuscchvsahu02.gdn.gje.c> 2 6 77 28 +2330us[+2379us] +/- 11ms
^- csskneuklhyhbscad.gdn.gje.c> 2 6 77 29 +2789us[+2838us] +/- 47ms
