[Beowulf] ganglia on CentOS 8?
engwalljonathanthereal at gmail.com
Wed Apr 1 12:30:44 PDT 2020
Gmond is reads information from gmetad which reads from the tcp udp, so I
imagine you need to worry about the web side of it- openning the udp at
least. I am trying something like this, using my phone right now:
ipfw add state udp 0.0.0.0:8649
But Nagios will be part of serving a web page though. If you don't want
that, don't worry about it.
systemctc status gmond gives you red?
BSD automatically enables gmond and gmetad on startup. You should have a
hidden file to handle this. You must match the BSD file structure. Why
Ubuntu will run what Centos will not, I can't say. SourceForge docs are
written for debian.
On Wed, Apr 1, 2020, 12:03 PM David Mathog <mathog at caltech.edu> wrote:
> I forgot to mention that on CentOS 8 the gmond from ganglia 3.7.2-31 does
> share gexec status, CPU, load, etc. with the Ubuntu gmond, but 3.7.2-24
> does not. For the older version there is a line for the CentOS 8 host in
> a gstat query of the Ubuntu server, but all the values were 0 and gexec
> status was "OFF" even though it was configured "ON". Even though that
> most recent gmond version shares information with the other gmond on
> Ubuntu it still will not report that information to any gstat.
> There are packages for "zabbix" and "nagios" available, but not "icinga".
> Presumably those work. They are both massive overkill as I only use
> gmond and gstat in ganglia. Which of those two other monitoring systems
> is simplest/lightest? At first glance, they both look a lot more
> than ganglia.
> David Mathog
> mathog at caltech.edu
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