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

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 […]

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Filled Under: english, Hints, Nagios

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 […]

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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 […]

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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 […]

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There are several ways of monitor a wordpress blog by using Nagios or op5 Monitor. WordPress uses the following parts to work: Webserver frontend PHP scripts MySQL database backend At least one system to run it on I found one article describing howto monitor the Webserver and the MySQL database and even that a certain […]

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05
Mar

op5 has started the work on a gui that has the aim to be the preferred opensource alternative gui to Nagios!! This is something op5 wanted to do for years now and by judging of the amount of requests we get from our customers about improvements to the current gui we are not alone 🙂 […]

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This article describe howto get a 1-wire humidity probe to work with Nagios or op5 Monitor. In an earlier article I have described a 1-wire temperature plugin. Pre requriments To get it working you need: 1-wire humidity probe i.e. this, it is based on DS2438 & HIH-4000 A working owfs installation, instructions can be found […]

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This article describe howto monitor an Asterisk server with Nagios or op5 Monitor. Pre-req to get it running is a working Nagios or op5 Monitor installation and an Asterisk 🙂 Theory In my implementation of Asterisk I have a couple of softphones, 2 hardphones and connections to two SIP providers. I want to monitor the […]

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I’ve got a hint from a partner to take a peak at http://folk.uio.no/trondham/software/check_openmanage.html It describes How-To monitor Dell hardware with Nagios, of course it works perfectly well with op5 Monitor aswell.

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08
Feb

Today I had to do some electrical work at home. The consequence was that my internet connection was down for about 20 minutes because my ADSL modem did not have any power. My Nagios based op5 Monitor system discovered this directly and reported to me. I forgot to schedule this as planed downtime so I […]

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At my home the most critical system is the MythTV system and a MythTV downtime will create a revolt at home. This article will describe howto make sure that a MythTV backend can be surveillanced with Nagios or op5 Monitor. I have in earlier articles described howto install and configure both the backend and the […]

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To get output to an LCD display 1-wire can be used. This article will describe how to that and include an example to get status from Nagios or op5 Monitor on the display. I use it to get a quick overview how my DataCenter is doing. When the LCD display is flashing something has either […]

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I have hinted about automysqlbackup in an earlier blog. Of course an important script like this should be monitored by Nagios or op5 Monitor. In my opinion the correct way of doing this is using a passive check that sends in the result of the backup into Nagios or op5 Monitor. The backup script is […]

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In some cases the "Normal" way of running checks does not work, passive checks might do the job. I have a script the runs every night that backup my MySQL database. If this script fails I would like op5 Monitor or Nagios to send a notification. An active check will not work in this case […]

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Do you want to write your own plugin to Nagios or op5 Monitor. op5 have created a development howto for plugins a.k.a. check commands. Take a peak at op5 support pages.

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Do you want Nagios or op5 Monitor notifications to be sent by MSN? Follow the steps below to implement it. This is a hint from my colleague Martin Kamijo, kudos to him 😛

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Cut-n-paste from http://www.op5.org/about We want to give something back to the community We have built a successful business around several opensource components, such as Nagios, RRDTool, Cacti, syslog-ng, NSClient++, Linux and several hundred GNU programs and libraries. A big thanks to all the hundreds of programmers for their efforts. Now that we have addons around […]

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




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