Category: Blogs

JMS speed test: ActiveMQ vs HornetQ

A while ago I was asked by a client to evaluate different open source JMS providers. The ultimate goal was to set up a highly available messaging system that can manage high throughput. Me and my colleagues dug deep in our memories and on the

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RHEL: install Yum and add DVD as repository

Installing Yum using RPM. As you can see this is done by discovering the dependencies the hard way, exactly the reason why we need Yum. [root@i8c-ODB11R2 Server]# rpm -i yum-3.2.22-26.el5.noarch.rpmwarning: yum-3.2.22-26.el5.noarch.rpm: Header V3 DSA signature: NOKEY, key ID 1e 5e0159error: Failed dependencies:python-elementtree is needed by

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A new world for integration: SAML and Identity

SAML was initially a standard for cross-domain SSO. A user who is logged on to the domain *.i8c.be could transparently point his browser to a web application in another domain *.cronos.be without having to authenticate again. His identity (and other attributes) are passed on transparently,

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Command Line JMX + SSL

The tool I use for command line JMX and which I think really works well is http://wiki.cyclopsgroup.org/jmxterm You can download and start the single jar as shown below. In this example I’m connecting to a HornetQ instance. [jeroen@homesrv~]# java -jar jmxterm-1.0-alpha-4-uber.jar -l service:jmx:rmi:///jndi/rmi://192.168.1.3:10995/jmxrmiWelcome to JMX

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Scary: backdoor in FTP server software

While reading security.nl, I picked up the news that hackers had put a backdoor in the popular FTP server ProFTPD. A version of the software containing a backdoor was put on the distribution server by some hackers. How often does one install software from the

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Java on Microsoft Azure

Triggered by my colleague Koen Van Oost and the upcoming Microsoft session at Devoxx, I looked into Java on the Microsoft Azure platform. Watched the talk “Open in the cloud: Windows Azure and Java” of PDC10. I wasn’t aware that one could run Tomcat on

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Devoxx 2010

Next week is Devoxx! Three talks and three speakers that I can really recommend: Designing Java Systems to Operate at a Cloud Scale by George Reese Does dev/ops matter for me? by Michael Coté and John Willis Pragmatic Cloud Computing, or, Dealing with Morlocks, or,

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Dell acquires Boomi

Boomi is a very interesting Integration-As-A–Service player. Integration in the cloud is a new trend that looks very promising. But what is not yet clear is the reason why Dell acquired Boomi. A big cloud player such as Google or Amazon or a big software

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XML schema’s for verticals

With XML as the alphabet, many languages are defined through XML schema’s. But typical is the way each vertical defines its own language. Latest example that I was pointed at: XML schema’s for the oil industry at energistics.org. But there are very little initiatives to

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Cloud Computing Economies of Scale

Great recorded talk about the hardware and data centre side of cloud computing. This great presentation explains why it (also) makes sense to leverage cloud computing simply to have cost efficient hardware. Got pointed to it while listening to the Cloud Computing Show #31. Also

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