Category: ‘System administration’

The first knowledge hub on release management – interview of the creators

Last month we discovered Electric Cloud, a Californian company specialized in Continuous Delivery. They did a great job creating a wiki gathering every tools and companies involved in IT auotmation, from infrastructure configuration management to continuous depolyment. As we praised this intiative, and not only because Rudder is included in the configuration management section, we […] Read more

Mustache templates with ncf and CFEngine

Why use mustache template When you start a configuration management project, you promptly discover that there are are two ways of managing your configuration files. You can either edit the existing ones or use templates to replace them all. Editing pros and cons: it is more complex and more bug prone it is easier when […] Read more

Rudder 3.1 “Frigate” release

Rudder 3.1 “Frigate” was released 9th July 2015.   The main changes are: Improvements on security: inventories are now signed and sent over HTTPS, a basic SELinux policy is now provided New features in the API: compliance, rule and group categories, complex queries on nodes Some UI improvements: compliance of each Node in Nodes list, […] Read more

Rudder 3.0 – A major step forward

Hello folks, 2015 starts with a lot of new promising changes for Rudder! After all the polishing work we did to Release Rudder 2.11, we decided that the next Rudder version would have a lot of new features and improvements. With a list of feature that long, we decided that the next version will be […] Read more

Just enough bootstrap for your configuration management agent with cloud-init

Infrastructure automation tools like Rudder, SaltStack, Chef, Puppet or CFEngine can manage your system from top to bottom – once they are installed on it. The typical chicken and egg problem occurs when deploying such a tool – how do you bootstrap it? Each managed node needs to have an agent installed and configured on […] Read more

Configurer et piloter les objets connectés

Salutations, ami lecteur. Tu remarqueras sans doute que malgré le titre ronflant de cet article, le modèle présenté sur l’image ci-dessus n’est pas une Raspberry Pi mais une Cubieboard 2, de chez Cubietech. En effet, cet article ne sera pas réellement centré sur les contraintes et avantages de l’automatisation uniquement sur les Raspberries, mais sur […] Read more

Quiz – Êtes-vous un expert DevOps ?

Pour chaque question, la bonne réponse rapporte 3 points, la réponse partielle ne rapporte aucun point, et la mauvaise réponse en fait perdre 3 ! (Le quiz met quelques secondes à charger, patientez pour qu’il s’affiche.) Loading Etes-vous un expert DevOps ? Partagez le test avec vos collègues et vos amis pour savoir qui est […] Read more

Comment réussir sa transformation DevOps en 9 points clés

Devops, devops, devops… La hype-curve de Gartner n’arrive plus à suivre l’inflation d’espoir qui est lié à ce nouveau buzz word, et si vous ne voulez pas encore arriver après la bataille – vous avez entendu parler de développements agiles la semaine dernière, et depuis lors, la tour d’ivoire remplie d’architectes logiciels n’ayant pas vu […] Read more

La Core Renaissance c’est quoi ?

La Core Renaissance est le nom donné à une tendance identifiée en 2015 par Deloitte comme étant un des principaux moteurs de changement dans le monde de l’IT. Cette tendance est née d’un constat : l’informatique des différentes branches gouvernementales s’approche du seuil au-delà duquel la maturité de l’architecture et des services n’est plus synonyme de […] Read more

Tout va devenir un objet connecté.

Vous l’avez sans doute remarqué (ou pas), mais en ce moment, l’Internet des objets est un sujet assez couru. Et a raison ! Vous ne l’avez peut être pas remarqué, mais vous êtres d’ores et déja entourés d’objets connectés ou connectables qui ne demandent souvent (surtout a l’initiatives de sociétés privées friandes de données monétisables […] Read more

TTYtter

I use Twitter every day for personal and professional purposes, to stay informed about a broad range of subjects (going from highly technical topics to announcements about the next season of my little pony). I also do not want to keep an eye permanently on my web browser to check for tweets, and enjoy using […] Read more

Déc, 04, 2014

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Using Mosh

Let’s take a simple situation: you are on a slow and / or unreliable access to the Internet, for example a tethering access on your mobile phone while on a train. You have received an urgent monitoring mail that says a machine from your IT infrastructure requires immediate attention. This is it: you know you […] Read more

Oct, 23, 2014

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Manage Jenkins with ncf

Jenkins is an excellent application to automatically build/test software projects. We rely on it in Normation to build, test and package Rudder and ncf, for all the OSes and versions we support; resulting in a lot of jobs to manage (currently over 300). Part of Jenkins’ awesomeness is that it has a neat REST API, […] Read more

Why true open source is a game changer in IT infrastructure automation

Open source software is the rule in IT infrastructure automation. But what business models do companies like us apply, and how do these affect product decisions and open source users? The so called “open core” model is common, but we believe it introduces schizophrenia, as Chef just announced they do too. This post will explain […] Read more

CFEngine vs Puppet vs Chef vs Ansible vs Salt

Last month Infoworld published an article titled “Review: Puppet vs. Chef vs. Ansible vs. Salt” written by Paul Venezia, that prompted many people in the configuration management community to get in touch with us to ask why CFEngine was not included. Our answer was simple: “No, we have no clear reason as to why this […] Read more

Vagrant: Virtual machine provisioning made easy

Pendant les Devops Days Paris 2013 , j’ai été assez supris qu’aussi peu de monde ait entendu parler de Vagrant. Heureusement, un open space était dédié à Vagrant et son utilisation mais dans la vingtaine de personnes qui s’y trouvaient, seule une poignée d’entre nous connaissait le logiciel (dont mon collègue François Armand et moi). […] Read more

Speed up your CFEngine by using a RAM disk!

Lors de l’utilisation de CFEngine au jour le jour avec un set important de promesses, il est possible un jour de rencontrer le problème suivant, sépcialement sur les anciennes versions de CFEngine: les bases de données internes de celui-ci peuvent devenir lentes avec le temps et consommer beaucoup d’entrées/sorties disque. Sur une machine standard, cela […] Read more

Avoid CFEngine hanging on start with the ignore_interfaces.rx file

Using CFEngine on a regular basis (and training people to use it), I often have to deploy CFEngine agents on virtual machines. Trouble is that often virtual machines (especially the ones cloned a bit hastily) have broken network configurations (incorrect hosts file, stray network interfaces …). While CFEngine is quite tolerant about network failures, it […] Read more

Feedback on the LOADays 2013 – Small but powerful

For the second year, Normation was present at the LOADays in Antwerp, Belgium, as I went there to do a talk about Cobbler, discover some new interesting projects and enjoy the awesome social event of the first day (and Belgian beer) ! This post will expose my feedback on this conference, what I saw there […] Read more

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Normation aux RMLL 2013 !

Après Solutions Linux, Normation sera présente aux Rencontres Mondiales du Logiciel Libre 2013, qui ont eu lieu du 6 au  11 juillet à Bruxelles. Cette année Normation est sponsor “Ami”, et présentera pas moins de SEPT sessions pendant l’événement. L’équipe Rudder tiendra un stand avec démonstrations et échanges tout au long des 4 jours. Découvrez […] Read more

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