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Monitoring

May 15, 2015

How to in install OMD on your new shiny Debian jessie

The OMD brother is watching you

How to in install OMD on your new shiny Debian jessie

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OMD is a magnificent monitoring suite based on Nagios. Its installation can be sometimes tricky. This is how I successfully installed it on my new shiny Debian jessie

OMD developers provide a repository for Debian jessie:

deb http://labs.consol.de/repo/stable/debian jessie main

unluckily, as of today, it is not working.

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Sep 04, 2013

Come prenderci cura dei nostri sistemi con Munin

Da zero a Munin in meno di 10 minuti

Come prenderci cura dei nostri sistemi con Munin

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Vediamo una breve panoramica del sistema open-source di monitoraggio di sistemi, Munin, come installarlo e una configurazione di base

"Munin" means "memory"

In estrema sintesi, Munin è un sistema di monitoraggio di “sistemi” distribuito. Il termine “sistemi”, qui, è da intendersi in senso lato, dato che è possibile monitorare tanto sistemi hardware quanto applicazioni software.

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Mar 26, 2013

Funkload: a simple buildout to spread and run your test!

Load testing can be one of the key for a successful website deployment. Moreover it can help to solve many situations. Let's see a way to spread your tests!

Recently we faced a performance issue on a Plone site, which has been reported to be slower than expected.

The application, after a migration to a new hardware, has shown to be a bit lazy compared to the expectations.

Because of the weird behaviour and confident on our Plone installation, we assumed a hardware misconfiguration.
But without evidence (numbers in this case), a claim is merely an opinion.

So, to get ride of the problem, we decided to perform multiple load test on different servers, and then compare the results.

 

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Jan 11, 2013

A custom port scanner plugin for Nagios and Check_mk

doors scanner

A custom port scanner plugin for Nagios and Check_mk

“I can't believe how dark was the time without a monitoring system...”. This is what my boss told me last time we spoke about reliability of service

Some months ago I posted (Italian only) about Check_mk as a monitoring tool which can be used also to taking care of Plone instances. This time I will post a small custom plugin I wrote for Nagios.

Check_mk scan_port plugincode

 

 

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