Make the Fedora/CentOS/RHEL update service the fastest

Posted on Sun 06 April 2014 in CentOS • Tagged with Fedora, MQTT, yum

Since I played with some publish and subscribe protocols in the last months, I came to an idea to speed up the notification and delivery of software updates over the existing mechanism while reducing, or better optimizing, the needed resources.

Here a graphic to show what I try to implement …


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Build Paho MQTT c library on Mac OS X

Posted on Sun 06 April 2014 in MQTT • Tagged with C++, MQTT, Paho

This post describes how to build the Paho MQTT library on Mac OS X with MacPorts openssl.

Prepare your system

Install the compiler

You need Xcode or the Xcode command line utils. If you're not sure if they are already installed open a terminal and try to run the gcc …


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Try the HiveMQ MQTT broker on CentOS 6.x

Posted on Tue 18 June 2013 in IoT • Tagged with broker, CentOS, cluster, hivemq, m2m, MQTT, server

What is MQTT?

MQTT is the short name for MQ Telemetry Transport. It is a TCP based protocol which implements the publish and subscribe pattern. While the pubish and subscribe method became popular these days for mobile devices MQTT is one of the protocols becoming more and more popular. Actually …

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First very basic MQTT Mac App

Posted on Sun 22 July 2012 in IoT • Tagged with Mac, MQTT

Since I had to bring my self up to speed with all this fancy M2M stuff our developers doing right now I started a small project by my own to learn something about MQTT and M2M communication.

My application is a very basic Objective-C application for Mac based on the …


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