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

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 [...]

07
Dec

I have used Digisip as SIP VoIP provider for several years. It has been working very well until Skycom bought Bredband2 and Digisip. After that it has been very problematic:

Without any information my Asterisk could not register anymore. After discussion with Bredband2 support they activated my account again after a week. According to Bredband2 this [...]

Filled Under: Uncategorized

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 [...]

19
Nov

Review Nokia e52
My old cell phone had stopped working so I needed a new.
The demands I have on the new phone is nothing strange.
Must:

Be able to use as a phone
Be able to use as a modem in Linux
Be able to sync with Google Calendar
Fit into the phone policy my employer have so I do not need to pay [...]

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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 [...]

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

Once again I have recieved an email containing an offer that I could publish my thesis:
“Charge Transport Modulation and Optical Absorption Switching in Organic Electronic Devices”. One problem is that I’m not the author of this thesis and that is something I have told Margit Schmöltz.

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08
Mar

Now I have update the blog to wordpress 2.7.1
If you find anything that do not work please drop me a note at peter@it-slav.net

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23
Feb

Most unix or Linux admins come across regular expressions occasionally. It is very powerful to handle text with and if you have understood it once it is handy to have an on-line reference source to quickly to lookup the syntax for what you want todo. My problem is that I always forget the syntax [...]

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12
Feb

The most common way if keeping track of the time in a computer is by counting the seconds since the day Unix was born, i.e. Jan 1 1970. This is called Unix Epoch and is used in all Posix system, including Windows.

Feb 13 23:31:30 UTC is it 1234567890 seconds since Epoch, this is worth celebrating [...]

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19
Jan

Peter Andersson is one of the most common names in Sweden, so if you want to track the correct Peter Andersson it can be hard.

Today I got the following email:
Dear Peter,

I am writing on behalf of the German publishing house, VDM Dr. Müller. In
the course of an Internet research I came across a link to [...]

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Yesterday there was a visiting record: 101 unique human visitors.
Some statistics about "An It-Slave in the digital saltmine" November 21:th:
Days since the first post: 20
Unique human visitors: 911
Unique visits: 1422
Top 5 popular blogs:

Create Cacti or op5 Statistics graphs with op5 VmWare ESX plugin: 231 visits
Scroll LED for Nagios/op5 Monitor: 118 visits
Use Asterisk to call [...]

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I could not resist buying R2D2 when I passed MC Donalds. I bought 3 and said it was to my kids. My colleagues told me that I have only 2 kids.
Well, now it is standning next to my geek watch.

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31
Oct

[poll id="1"]

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31
Oct

I’m testing

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Book reviews
FreePBX 2.5
Powerful Telephony Solutions






Asterisk 1.6
Build a feature rich telephony system with Asterisk






Learning NAGIOS 3.0





Cacti 0.8 Network Monitoring,
Monitor your network with ease!