Bye bye Mediawiki

After more than 10 years using my beloved Mediawiki (wiki.deimos.fr), I decided to convert it into static html files and stop using Mediawiki :(. Why? Because maintaining a Mediawiki is a pain when you’re using a lot of extensions. In addition, I’m not using Mediawiki anymore at work, not really following the evolution, don’t want to keep maintaining php/mariadb/nginx and upgrading Mediawiki configuration can be complex as well. I really love markdown solutions generating static files like Hugo and I already did it whith my previous Wordpress.

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I’m an amateur photographer and I’m using an Olympus E-M1 Mark II camera. I take photos in RAW mode to be able. For those who know me, my computer is running on Linux and I’m using Geeqie to display RAW picture. It’s a very fast and powerful solution to display them. In addition of displaying them quickly, it enhances the look and I really appreciate the rendering. Here is the original image (the first one) and the redered one by Geeqie (the second one):

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  CoreOS is a lightweight Linux operating system designed for clustered deployments providing automation, security, and scalability for your most critical applications. I’ve been playing with CoreOS to replace Debian hosts which run Docker containers on Nousmotards project. CoreOS helps on simplifying bare metal deployment and avoid managing OS upgrade. As I’m still an Ansible lover, I’ve made 2 roles: CoreOS Ansible: Ansible role to deploy pypy to CoreOS to be able to get Ansible prerequisites CoreOS: Ansible CoreOS role to deploy CoreOS on bare metal servers If you want to quickly look at the result:

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Long time since my last post. This one is not very technical post, but it’s a nice to have solution if you use grep usually. Are not you fed up to type vim and search the line after a grep command ? If yes, this post is for you. First of all, you may know that an alternative more user friendly to grep exist, called ag (perf comparison). I really like ag and grep, but something make me loose my time since several years and I’m pretty sure it’s your case too.

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Some of you may not be familiar with the terms “Rolling upgrade” or “Rolling restart”. This is the action of upgrading or restarting a cluster without service interruption (alias zero downtime). In most cases, this is done node by node, but in fact it depends of the technology you’re managing and the number of active nodes in your cluster. At Nousmotards we have several Java Spring Boot applications running. Restarting one application can take up to 1 min.

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As I wanted to upgrade it and because it has been asked several time, I upgraded the consul-template Ansible role to manage official binaries (and upgrades). Here are the new vars: consul_template_version:'0.11.0'consul_template_arch:'linux_amd64'consul_template_http_src:"https://github.com/hashicorp/consul-template/releases/download/v{{consul_template_version}}/consul_template_{{consul_template_version}}_{{consul_template_arch}}.zip" You can of course find the role to Ansible Galaxy: https://galaxy.ansible.com/deimosfr/consul-template/ I hope you’ll enjoy this new version :-)

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The Ansible meetup ended ! That was really nice for my first one. I had really great feedbacks and liked the questions when ended. More than that I met nice people after the meetup and could have interresting discussions :-). I’m really happy about it. For those who would like to review the slides, you can find them here: http://nousmotards.github.io/ansible-meetup-0915/ If you want to watch the video: http://www.infoq.com/fr/presentations/reseau-social-motard or view the PDF version here:

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Pierre Mavro / Deimosfr


MySocialApp Co-Founder  •  Staff SRE Lead at Criteo

Paris - France