On 22 Mar 2018, at 4:01 pm, Adam Armstrong <adama@observium.org> wrote:
I'm not at all familiar with NTP, so I'm not sure what the difference between these two tools is, or why one wouldn't work :)
Does anyone else know?
ntpdc is deprecated. It has probably been removed one installations of ntpd.
https://www.eecis.udel.edu/~mills/ntp/html/ntpdc.html
Adrian
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Adam Armstrong
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Observium Limited
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On 2018-03-19 17:55:39, Ron Marosko <ron@rjr-services.com> wrote:
Howdy Adam, et. al.,
I’ve run into an issue with the agent ntpd script on certain of my servers where the command “ntpdc -c iostats” times out with no response. However, the equivalent command used with ntpq works fine and provides the correct information Witness:
root@observium:/opt/observium# ntpdc -c iostats
localhost: timed out, nothing received
***Request timed out
root@observium:/opt/observium# ntpq -c iostats
time since reset: 1116387
receive buffers: 10
free receive buffers: 9
used receive buffers: 0
low water refills: 1
dropped packets: 0
ignored packets: 0
received packets: 140116
packets sent: 145459
packet send failures: 0
input wakeups: 140118
useful input wakeups: 140118
root@observium:/opt/observium#
Yes, that is actually on the VM running observium.
For simplicity of minimum changes to the script, I made the following change:
// START SETTINGS ///
$ntpq = "ntpq";
$ntpdc = "ntpq";
// END SETTINGS ///
End result is this:
You can see where I made the change to the script yesterday afternoon.
The related version of ntpd is: ntpd - NTP daemon program - Ver. 4.2.8p4
I don’t know if you want to push this out as a change overall, but wanted to make you aware of this so that it’s documented somewhere at least.
Regards,
Ron
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