1.0.1 and ntpsnmpd
ianbruene at gmail.com
Mon Feb 26 16:53:41 UTC 2018
On 02/25/2018 07:18 PM, Hal Murray via devel wrote:
>>> Is there a HOWTO that tells me how to set things up?
>> I'll get to work on that.
> There may be two targets for that document. One is SNMP wizards who don't
> know much about ntpd. The other is NTP wizards who don't know much about
Unfortunately I am neither. I know the intersection of the two, and some
of the basics needed to get SNMP running.
>> "Why SNMP?" I'm not sure I can tell you much more that a few minutes of
>> quality time with a wiki could.
> There is a lot of stuff out there. A few good URLs would help people like me
> get started. I think "curated" is the right term.
These are decent. Unfortunately proper documentation about SNMP is not
exactly commonplace; early on I had to reverse engineer more than I'd
like by poking the master agent and seeing what it did.
> I assume I also have to setup a system to collect the data and show status or
> email alerts or whatever. What do you call that? I think there are several
> packages available. Do they all support NTP? Do they monitor NTP servers
> directly with NTP packets?
I... am not sure what you are talking about.
Rough structure of an SNMP system:
SNMP daemon (like snmpd): Master agent. Everything routes through this,
and it handles the permissions.
Sub-agent daemon (ntpsnmpd): responds to commands and data requests
relayed to it by the master.
Clients: Includes utilities like snmpwalk/get/set, as well as more
sophisticated software. Talks to the master agent to send or retrieve
data, and does something with that data.
Management Information Base (MIB): Document specifying the structure and
meaning of a subset of the data tree. Usually the client will have a
copy of this so that it knows what to look for.
> At any rate, I/we need the HOWTO level info for setting up the NTP side and I
> need a HOWTO for getting the collection end off the ground.
> (In case it's not obvious, I don't mean you have to write them. Links to
> existing info is fine.)
> In case it's not on your list...
> ntpd can monitor other ntp servers. Just put "noselect" on a server line
> pointed at the system you want to monitor. Then ntpq -p will give you a line
> of info and logging to peerstats and rawstats will get the normal data.
/"In the end; what separates a Man, from a Slave? Money? Power? No. A
Man Chooses, a Slave Obeys."/ -- Andrew Ryan
/"Utopia cannot precede the Utopian. It will exist the moment we are fit
to occupy it."/ -- Sophia Lamb
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