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Full Discussion: NTP synchronised problem in our Centos 7.6 node
Top Forums UNIX for Beginners Questions & Answers NTP synchronised problem in our Centos 7.6 node Post 303039071 by Neo on Sunday 22nd of September 2019 01:24:27 AM
Old 09-22-2019
OBTW, was able to reproduce, perhaps a similar error, by downloading the latest version of ntp manually and trying to install in a crude way:

Code:
ubuntu:/etc/init.d# ntptime
ntp_gettime() returns code 5 (ERROR)
  time e13182c8.b37ccc04  Sun, Sep 22 2019  0:19:04.701, (.701123517),
  maximum error 16000000 us, estimated error 16000000 us, TAI offset 37
ntp_adjtime() returns code 5 (ERROR)
  modes 0x0 (),
  offset 0.000 us, frequency 0.000 ppm, interval 1 s,
  maximum error 16000000 us, estimated error 16000000 us,
  status 0x2041 (PLL,UNSYNC,NANO),
  time constant 3, precision 1.000 us, tolerance 500 ppm,

This error happened when I tried to use the original directory, mixing the old install with the new install.

However, when restarted ntpd in a totally clean install directory, it worked fine.

Now running latest version:

Code:
ubuntu:/etc/init.d# ntpd --version
ntpd 4.2.8p13@1.3847 Sun Sep 22 05:03:19 UTC 2019 (1)

Reference: NTP Software Downloads
 

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LEARN ABOUT CENTOS

ntptime

ntptime(8)						      System Manager's Manual							ntptime(8)

NAME

       ntptime - read and set kernel time variables

SYNOPSIS

       ntptime [ -MNchr ] [ -e est_error ] [ -f frequency ] [ -m max_error ] [ -o offset ] [ -s status ] [ -t time_constant] [ -T tai_offset ]

DESCRIPTION

       This  program  is  useful  only	with special kernels described in the A Kernel Model for Precision Timekeeping page. It reads and displays
       time-related kernel variables using the ntp_gettime() system call. A similar display can be obtained using the ntpdc program  and  kerninfo
       command.

OPTIONS

       -c      Display the execution time of ntptime itself.

       -e est_error
	       Specify estimated error, in microseconds.

       -f frequency
	       Specify frequency offset, in parts per million.

       -h      Display help information.

       -m max_error
	       Specify max possible errors, in microseconds.

       -o offset
	       Specify clock offset, in microseconds.

       -r      Display Unix and NTP times in raw format.

       -s status
	       Specify clock status. Better know what you are doing.

       -t time_constant
	       Specify time constant, an integer in the range 0-10.

       -M      Switch to microsecond mode.

       -N      Switch to nanosecond mode.

       -T tai_offset
	       Set TAI offset.

SEE ALSO

       ntpd(8), ntpdate(8)

       The official HTML documentation.

       This file was automatically generated from HTML source.

																	ntptime(8)
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