Welcome to It-Slav.Net blog
Peter Andersson

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

Around Christmas I get a little bit nostalgic and could not resist founding a kickstarter project regarding Retrogaming. RaspiBoy is a handheld emulation console based on raspberry pi zero. The idea came when the founder saw internet projects of “GameBoyZero”, awesome raspberry pi based consoles. He was amazed, but it looked pretty difficult to build […]

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  News in op5 Monitor 5.3     Avail and SLA reports including performance graphs   op5 Monitor 5.3 introduce the possibility to include performance graphs in avail reports. This mean you can, for example, create a response time report and not only get the availability but a graphical representation of the actual response times. […]

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And so it has come. The day when Merlin outgrows its infancy is at hand. The rite of passage into adulthood was smoother than expected, but not without minor bumps. As with people, those bumps made the code stronger. Testing would be most welcome.

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This is old news but still important.   – OpenBSD 4.7 RELEASED ————————————————- May 19, 2010. We are pleased to announce the official release of OpenBSD 4.7. This is our 27th release on CD-ROM (and 28th via FTP). We remain proud of OpenBSD’s record of more than ten years with only two remote holes in […]


 Toda VOIP Today magazine releases its 8th the postscript to www.voiptoday.org VOIP Today magazine is a freely available and independent online publication presenting up-to-date VoIP news and information covering all aspects of the VoIP technology, internet telephony solutions, networks, phones, security, internet telephony marketplace, mobile communications, VoIP forums and call center solutions. It has strong […]

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op5 will release op5 Monitor 5.0 April the 13:th including: Ninja, the new Nagios GUI Merlin, database backend and support for load balancing and redunduncy in Nagios NagVis, Nagios visualization including integration with Google maps Nacoma, a Nagios webconfigurator tool Reports, good looking SLA reports, new Availabilty reports, new Trend reports, filter notifications and more. […]

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 Background I got an unused La Fonera router by a collegue. They can be bought from http://www.fon.com for approximately 40 Euro including freight. The purpose of the Fon community is to build a community of hotspots around the world so every owner of a La Fonera could use any other La Fonera router in the […]


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 […]

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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 […]


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 […]

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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!