Blog

Cfengine tip: Keeping cf-execd alive (whatever happens)

As good as your configuration management tool may be, it can only do it’s job if it’s running. Some tips on making sure this is the case, whatever happens. Why just cf-execd? With Cfengine, the “heavy lifting” is done by cf-agent, which is normally run on a regular interval by cf-execd (a daemon that runs […] Read more

Why we use Cfengine: memory footprint

Here at Normation, we use Cfengine 3 extensively for configuration management across Linux and Windows servers. A question we get often is why Cfengine? This is phrased either as What is so great about Cfengine? or What is the difference between Cfengine and Puppet or Chef? (as a reminder of how these 3 projects are […] Read more

FOSDEM: Configuration Management wishlist

We were at FOSDEM in Brussels last weekend (OK, like every year, and like thousand of others – yes it’s that good an event!). Alongside a huge number of interesting talks, events and people, of particular interest to us was the Configuration Management DevRoom, organized by James and Nigel from Puppet Labs. It hosted brilliant […] Read more

Set up Eclipse workspace in RAM

In the last article, we covered basic optimization paths for Eclipse. But it remains that Eclipse spend an awful amount of time performing I/O, reading and writing big amounts of (often small) files – and you can’t imagine how numerous theses files are. Of course, there is all the class resources file you are editing […] Read more

Jul, 27, 2010

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Java LDAP SDK for SyncRepl replication showcase

Java LDAP reborn As you may know, I’m rather fond of the LDAP protocol and its open source server and client implementations. But I’m also found of the JVM, and in a not so far past, the only maintained Java LDAP SDK was Sun’s LDAP-JNDI, which is at best a call for masochists to make […] Read more

Jul, 18, 2010

 

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Cfengine 3 presentation @ RMLL 2010

From the 6 to 11 July 2010, the 11th RMLL are hosted in Bordeaux, a great meeting for anyone interested with Free Software and their uses. Among the numerous very interesting presentations and round tables, I gave a presentation about the advantages of configuration management, and how Cfengine 3 works to help you deal with […] Read more

Scala dreaded underscore @ PSUG

On the evening of June 30th 2010, the Paris Scala User Group organized its second event. This time, there were two presentations: in the first one, Alexis Agahi, our kind user group leader, made a feedback after one year of scala experience. It’s available here. the second one was given by your servitor, and deals […] Read more

Jul, 01, 2010

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Managing configuration with Cfengine 3: concepts & theories

In December 2009, Mark Burgess, the author of Cfengine, was in France. This was a great opportunity to arrange a talk with members of the French Cfengine community. Cfengine[0] is a policy-based configuration management system written by Mark Burgess at Oslo University College. Its primary function is to provide automated configuration and maintenance of computers, […] Read more

Optimizing Eclipse performances

Especially for Scala projects We love Eclipse. I mean, it’s clearly the best IDE around[1]. And we love to hate it. It is bloated. To make it useful, you have to cherry pick among hundreds of modules, and figure out how to make them work together. And it’s slow. OK, at the beginning, everything is […] Read more

May, 24, 2010

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Hello world!

Welcome to Normation’s blog We are a software company based in Paris developing IT management solutions, and providing expertise in the configuration and identity management fields. This blog will contain articles on subjects that matter to us: Technical: configuration management, Cfengine, identity management, LDAP, software development, Scala, Java, Eclipse … and whatever else comes up! Business: […] Read more

May, 17, 2010

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