Welcome to It-Slav.Net blog
Peter Andersson
peter@it-slav.net

I've already got a female to worry about. Her name is the Enterprise.
-- Kirk, "The Corbomite Maneuver", stardate 1514.0

 
With my new and fancy HTC Desire I wanted to look at my Nagios or op5 Monitor status. I have found two apps Nagroid and NagMonDroid.
 

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Background
It is always a good idea to monitor the server hardware, in many cases the root cause of the probblem is hardware related like: a fan stops and the temperature gets to high, dust in the machine makes it to hot, disks that fails, memory corruption and so on.  This article will describe howto enable [...]

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Background
At op5 we often run into BizTalk at customer sites as a business critical application. We have done an investigation and come up with a plugin  to monitor BizTalk.
To fully understand this document BizTalk knowledge is necessary.

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Background
I was reading the Swedish computer magazine, Tech World. There was an article about an appliance solution that could give a report about unused switch ports. The box PortIQ from Infoblox costs approximatly 10.000 Euro.
op5 has developed this feature at a customer site and is included with op5 Monitor, op5 has published the code as opensource.
This [...]

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Background
This article will describe how easy it is to integrate other tools to Nagios or op5 Monitor. I will use an example with a webshop where a business view of how the webshop is doing is implemented by using a GPL’d rule engine, NodeBrain. I have in an earlier article described the ruleset for this implementation [...]

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Next week, op5 will release the new Nagios GUI called Ninja. The license is GPL and several people has reported the GUI work perfectly well on vanilla Nagios. Ninja uses a database backend. Merlin, another op5 developed software feeds the Nagios information into the database.
Links:

op5 -OpenSource based management software company
Ninja- Nagios Is Now Just Awesome
Merlin [...]

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In a contest Nagios won as the best system monitoring tool:
http://www.thegeekstuff.com/2009/09/top-5-best-network-monitoring-tools/

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05
Sep

I noticed that my blog become slower and slower by using op5 Monitor and webinject, see previous article. From installation 2.5 seconds to over 7.5 seconds to run my testcases. The most annoying was that the it was a very linear increase see graphs below. My first try was to tune MySQL
By installing wp-cache the [...]

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An interesting article describing howto use Skype to send SMS notification for Nagios or op5 Monitor can be find here:
http://wiki.nagios.org/index.php/SkypeSmsNotification
My recommendation is to use an GSM modem to send SMS, because if the network is down no SMS can be sent with this solution and SMS is normally used as an alternative alarm route.
Another aspect [...]

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Background
I use MythTV quite frequently and noticed that it is instable when using sasc-ng as a decoder to decrypt encrypted DVB-T channels. So approximatly every third day the MythTVbackend server stops and need to be started again. I have wriiten an earlier article about howto monitor MythTV with Nagios or op5 Monitor so I get [...]

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09
Jun

op5 develops plugins for op5 Monitor, based on Nagios. As a courtesy to the community the plugins developed are free and can be downloaded from:
http://www.op5.org/community/projects/op5-plugins
The plugins is also located in a Git repository and can be checked out from:
http://git.op5.org/git/

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05
Jun

A new place to find articles, plugins and other information abot nagios is http://exchange.nagios.org/.

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Filled Under: Hints, Links, Nagios
04
Jun

It has been very interesting and two intensive days. The highlights IMHO:

Tobias Oitiker gave a very good presentation about the linux kernel caching and described how it affected RRDtools.
Markus Almroth, describes Sysnagios which did the opposite of most monitoring projects. Sysnagios decentralized the configuration of systems and network monitoring in a controlled way. I will [...]

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Filled Under: Hints, Nagios, english, graph, op5

If you want to have influence in what direction Nagios is going, you have the chance now.
Ethan Galstad, the founder of Nagios has done a great job to open up the project and listening to input from the community.
Go to http://ideas.nagios.org/ and vote or add the functionality you want in Nagios so others can vote [...]

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Filled Under: Hints, Nagios, english

The Merlin project was initially started to create an easy way to set up distributed Nagios installations allowing Nagios processes to exchange information directly as an alternative to the standard nagios way using NSCA. When starting the Ninja project we realised that we could continue the work on Merlin and adopt the project to function [...]

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13
May

I have just finnished reading the excellent book "Learning Nagios 3.0" by Wojciech Kocjan.

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Filled Under: Hints, Nagios
12
May

2 hours ago, Ethan Galstad the creator of Nagios sent an annoncement to nagios-announce@lists.sourceforge.net.
Valued Nagios users and Community members -

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Filled Under: Nagios
11
May

A new project called Icinga has been created and alot of fuzz in the Nagios community has been created.
Andreas Ericson one of the members of the Nagios steering board has written this to his blog:

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Filled Under: Links, Nagios
30
Apr

Demo of how the Nagios based network monitoring tool op5 Monitor works and how easy it is to use. This part contains demo of the reports module and how to make SLA reports.

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Filled Under: Nagios, op5, op5 Monitor

Background
This article describes how to monitor an IPSEC tunnel running on OpenBSD. I could not find any plugin already done so I created my own.
The pre req. for this article are:

A working Nagios or op5 Monitor setup
A IPsec VPN tunnel running on OpenBSD
A working NRPE agent at the OpenBSD box

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23
Apr

A demo of the benefits with op5 Monitor and what you can monitor with this Nagios based network monitoring tool. This first part gives a short introduction and overview of the tool.

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Filled Under: Nagios, op5, op5 Monitor

Background
This article describe howto use a USB camera (also known as webcam) to detect motions and send an alarm to Nagios or op5 Monitor. It can be used in datacenters to send an alert if someone or something is moving or at home to detect if someone is in your house. I will place the [...]

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Nagios is the number one open source software and one of the most widely recognized and used open source monitoring tools available today. Host for Nordic Meet on Nagios 2009 is op5, a company that supplies software based on open source for control of IT systems and networks, and utilizes Nagios as a key project [...]

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Filled Under: Nagios

When using a database that are business critical it can be a good idea to monitor the internals. This article describe how-to monitor MySql with Nagios or op5 Monitor. In these case it runs a MythTV system but it could be almost anything.

Pre requirements
The pre requriements for this article is a working Nagios or op5 [...]

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29
Mar

op5 is proud to arrange Nordic Meet on Nagios 2009 June 3-4th in Stockholm.

—cut’n paste—
Welcome to Nordic Meet on Nagios 2009 (NMN2009) June 3-4th, the largest Nagios Meet in Scandinavia. The 2008 Meet was a great success! The event was filled to the last seat and a great atmosphere in great summer weather in Stockholm! [...]

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