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 [...]
The release of the next generation Open Source Network Monitoring Software is only weeks away with the release of op5 Monitor 5. Here you can download a Beta version of the sofware intended for testing och evaluation or try it at a live demo.
op5 Monitor Beta, virtual image in ovf format
Try op5 Monitor Beta
The op5 [...]
I have an old iPod G3 player that I haven’t used for several years. The main reason is that it is full of Apple vendor lock-in "features". The most annoying issues are:
Hard to manage without iTunes
iTunes is crap
Cannot play ogg and flac
I just want to attach it and it should popup like a USB disk, drop [...]
Background
I was with my geekfriends at a ski resort and I managed to get an Internet connection using a cellphone. Of course I wanted to share it with my friends. As geeks we brought a switch and a couple of ethernetcables.
Solution
Using this script on a Ubuntu 9.10 I managed to share my connection:
sudo ifconfig eth0 10.8.16.1
sudo sysctl -w net.ipv4.ip_forward=1
sudo [...]
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.
My laptop and cellular phone has both Bluetooth and it has annoyed me for a while that I have not managed to get a working Internet connection using Bluetooth. I have only managed to get it working with a USB cable between my phone and laptop.
After some Google search and reading of man pages I finally [...]
After fiddeling with my Bluetooth GPS reciever I wanted my friends and my wife to keep track of me. I wanted to use OpenStreetMap because I really like the idea of free and open maps instead of the unintelligible Google Maps licenses. The result can be seen here where I show the op5 office location outside Stockholm, Sweden.
Pre [...]
Every computer geek ends up with a bunch of disks with unknown status in the drawer. It can be rather cumbersome to put them in a machine and check the status especially if some are SATA and others are PATA, it gets even more complicated if they are mixed 3.5" and 2.5".
In situations like this [...]
I have finished reading the great book "FreePBX 2.5 Powerful Telephony Solutions", by Alex Robar and it is 277 pages.
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 [...]
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 [...]
Background
When I worked as a Tivoli Consultant I spend a lot of time investigating the customer processes and workflow and try to make the monitoring solution to support this. It was often long term projects and involved alot of people like, project managers, support staff, maintenance staff, application owners, applicataion engineers, operating systemens managers, DBAs and [...]
op5 AB is a world leading OSM – Open Source Management – company that delivers software based on open source for control of IT systems and networks. The award winning op5 Monitor is now released with important enhancements that will enable customers and other vendors to further improve usability and integration for optimized IT monitoring. [...]
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 [...]
Sep
Op5 has written an excellent article howto monitor Esx3.x, ESXi, vSphere 4 and vCenter Server with op5 Monitor. This article is op5 Monitor centric but op5 Monitor is based on Nagios so this article can be used to implement Nagios vmware monitoring.
The plugin used to gather the information is GPLd and developed by op5.
Links
The article [...]
Background
As a former Novell employee there is one software I really miss and that is iFolder. It is an excellent file syncronization software. You configure iFolder where your local iFolder files are located and what server to syncronize against. Do a sync and now they are avilable at any iFolder instance if you sync against [...]
I just come back from this years slackathon. It was interersting to meet some of the persons on the OpenBSD mailing lists.
I have to admitt that most of the presentations was to deep into the kernel to my knowledge but I liked the conferances anyhow.
The Slackathon was the end of a Hackathon mostly founded by [...]
I’ll attend this years Slackathlon in Stockholm. I hope I will see you there
Welcome to this years Slackathon!
It will be held August 15th, at the Stockholm University, though not in
the same conference room as the previous years, since it couldn’t hold
all visitors anymore!
As previous years, the website is slowly getting into shape, and
probably wont hold [...]
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 [...]
The conferance about Nagios in Stockholm has started. The event will be broadcasted on internet. If you have questions to the speakers you could enter them directly into the Nordic meet on Nagios homepage or to nmn@jabber.org using jabber protocol.
In my drawer I found a GPS reciever for my cellular, I have never used it because the GPS software in my phone is crap. But when I found it, I realized that it might work to connect it via bluetooth to my laptop so I could have a stratum 1 NTP server at home. [...]
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 [...]
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
Apr
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 [...]
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! [...]



