IPTABLES: Prevent a server from spamming out

Your server can somehow be compromised and used to spam (email): if it’s a cloud or a dedicated server subscribed from a decent provider, they will notify you about that (i speak from experience here :-))

Any way to prevent yourself from that or to block back in case you are facing it already, here are simple iptables rules Lire la suite

Auto-generate HTML changelog for your git-backed project/product

Every project or product manager knows how providing a completely exhaustive CHANGELOG can be difficult when comes the release time. Lire la suite

OpenSource Asterisk-JMSConnector Application 1.0-GA

Telephony and IT integration/coupling is surely something that can bring power or add values in some businesses (Customers Services, Hotlines, Contact Centers, Ordering lines, CRMs, Banks, Political Campaigns, Marketing, Leads Generations/Validations…)

Asterisk being the most open source IPBX used so far, is part of many architectures: small or big, single or clustered…

Here is how Asterisk-JMSConnector fits inside this picture….

Lire la suite

Reblog: 5 error-tracking tools for Java DevOps

I found this article very interesting in my readings. Plus i was not aware about those tools:

http://www.javacodegeeks.com/2014/09/5-error-tracking-tools-java-developers-should-know.html

These tools  are about getting aware of errors occurring inside your app at runtime.

Some good tools to consider at devtime (based on static code analysis) are:
-FindBugs http://findbugs.sourceforge.net/manual/eclipse.html
-PMD http://pmd.sourceforge.net/eclipse/
Both plugins for Eclipse

AWS ELB: Zero downtime or Blue Green or Canary deployments!

In this post (https://zoumana.wordpress.com/2014/06/16/zero-downtime-deploiement-sur-tomcat7/), i talked about the Zero Downtime deployment feature inside tomcat 7 and later.

To summary this was about deploying a newer version of the same app within the same tomcat container keeping the previous WAR serving the HTTP requests until the new version is successfully deployed to take over the next users’ requests.

Today the target is the same:  avoiding to take an application off-line during an upgrade for the happiness of end users 🙂 but through one of Amazon Web Services feature: Elastic Load Balancer! Lire la suite

#feedback I’m no more doing Agile: therefore i am… or not ;-)

It’s been 10 months since i am no more doing SCRUM after almost 5 years being immersed on Agile Products/Software Development including 2 years leading as Scrum Master a Cloud Management product development team.

At this step of my road, i will take few minutes to make a feedback of my feelings and remarks regarding my old and new conditions: Lire la suite