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

Background As an increasing number of system administrators turn to mobile devices to access information on server and network status, the number of mobile security attacks are drastically increasing. op5 addresses the issues by introducing a secure mobile app, offering IT staff a convenient and safe path to mobile server monitoring.   Accessing your Nagios-based […]

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Background As a happy owner of a pebble watch I want my op5 Monitor notifications to it. This is a simple guide howto get notifications sent directly tt a pebble watch. My phone is an Android and probably there is similar ways of getting it working on iphone aswell. The guide will work on Nagios […]

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Background My latest gizmo in the basement is a Netgear ReadyNAS RN104. Of cource I want to monitor it so I can be sure that it is healthy. This article describe howto monitor the RN104 by using SNMP. The implementation monitors: Disk status/temperature CPU temperature Fan status/speed Network status Admin GUI status  

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Background I wanted to have a LCD display on my desk showing the status of my monitor system. At the same time op5 created a competition with the coolest implementation of Raspberry PI and op5 Monitor. These things together made me getting started with my project. The result can be seen in this video  

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Background My son got the amazing game Minecraft as a birthday present. Of course I think I should provide the service to him and his friends to have a couple of minecraftservers to be able to play together. Soon it became business critical and I started to think about how to monitor that the Minecraft […]

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An howto that describe howto use irc as an alarm consol to nagios or op5 monitor

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15
Mar

Andreas Ericsson at op5 is working with major improvements of Nagios. The focus areas are: Complexity reduction by moving from multi-threading to single threaded programing Reducing latency Disk I/O usage reduction CPU usage reduction Memory usage reduction Read more at http://blogs.op5.com/development-work-on-nagios-project-to-improve-performance/

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Filled Under: Nagios, op5, op5 Monitor

Background It really annoyed me that the iowait at the cpu on the Dom 0 system was approximatly 50% when the 4 virtual system was doing more or less nothing. I showed my earlier blogpost about VM virtualization to our sysadmin at op5. He gave me a couple of more hints that really make a […]

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Background As an it slave, I have the same problems as most datacenters: Running out of space because of more and more machines get into the datacenter Overheating Powerconsumption Added to the "normal" datacenter problems, I also have to deal with: Wife acceptance Noice, my neighbours has complained about the noice outside my basement. To […]

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06
Dec

 News – Monitor v5.5 Monitor 5.5 –  It’s always extra fun when we do releases. News in short are: Support for offline maps – no need to have online gmap connection Introducing IP traffic “weathermaps” i.e. a user friendly way to present traffic flows, being WAN or LAN traffic Display monitor data on external web […]

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29
Sep

The tech team at op5 have published a number of new How-To articles on the op5 Support web. Here is a list of the most recent How-Tos:   Access op5 Monitor from your iPhone http://www.op5.com/how-to/access-op5-monitor-iphone/   Access op5 Monitor on Android Smartphone http://www.op5.com/how-to/access-op5-monitor-android-smartphone/   How-to monitor a KVM installation http://www.op5.com/how-to/how-to-monitor-kvm-installation/   Secure communication with Cloud […]

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Background As a monitoring fanatic, I think that have mirrored disk without monitor the mirror is worse then not have a redundant disk system at all. If you think that you are safe and you are not, is worse then be aware of a risk and calculate with it. This article will describe how I did monitoring […]

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Background My old NAS built on top of CentOS has some performence issues and the disks are quit old now. The hardware is leftovers that is approx 8 years old and not highend at that time either. The disks age has worried my for a time and I would like to have higher redunduncy with […]

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Monitor the cloud with nagios or op5 monitor.

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05
Apr

Background It is very handy to have a temprobe attached to network devices like a Wlan router, if OpenWRT is installed it is easy to use 1-wire devices. By using this method it is possible to create wireless temperature probes that uses Wlan.  

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Presenting collected Nagios data has been cumbersome. But now with op5 added funtionality, storing the data in a database makes it much easier. Morten Bekkelund has created a nice dashboard typically used in NOCs. The dashboard has been modified and improved by the community and an example can be seen at op5 sandbox dashboard and […]

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Background When I was preparing a presentation about what op5 is doing and our contribution to the community, I went to ideas.nagios.org. When I browsed the list of the biggest issues with Nagios I found out that op5 has packaged and solved them all in op5 Monitor. I encourage everyone to take a peak at the list […]

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  We would like to meet with you on an op5 Inspiration Day in September. It will be a day with topics like IT operations, cloud monitoring, virtualization, outsourcing and how to get control of everything in an easy way. The most important thing is to meet and listen to other users, hear about the […]

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25
May

  I have registred me to attend the open Splunk event in Stockholm. Within 24 hours I got an email telling that they do not want competitors at the event and would like to discuss the purpose of me attending. I called the Splunk representative and told him that op5 thinks Splunk is a competitor in some cases […]

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Filled Under: english, op5, op5 Monitor

UPDATE 2014-07-07: op5 has released a native mobile app that are secure and uses op5 Monitor APIs. Please read more at: http://www.it-slav.net/blogs/2014/07/07/op5-releases-mobile-app-for-secure-monitoring-on-mobile-devices/     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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After waiting for several weeks, my new phone, a HTC Desire has finally arrived. I have been a heavy cellphone user since started working as a Tivoli consultant in -98. I bought my first cellphone -94 and have had several so called smart phones both from Nokia and Ericsson.   For the first time I […]

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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 […]

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26
Feb

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 […]

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17
Feb

An email sent to op5-users from op5s CTO, Peter Östlin. –cut– Hi All, The op5 devel team has been kind of quiet on the list lately. The reason for this is that we have been working very hard to complete the next release of Merlin and Ninja. The result of this will be the release […]

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Filled Under: english, op5, op5 Monitor

  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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