Hi everyone ! As you know I recently started to play with LXC :-) At the beginning of my tests, I unfortunately found an annoying bug which avoid performing correct Debian installation over LVM. I tried to resolve it by myself but didn’t had enough time to finish my investigation. After quick searches, I found that other people found the bug on github : https://github.com/simonvanderveldt/lxc-debian-wheezy-template/issues/1#issuecomment-21303483 As a rule, I searched it on Debian bugs list but nothing was reported.

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To finish my Galera’s posts, I’ve wrote tips to help on maintenance and recover for the Galera Cluster (in french). As most of the time, Galera is able to manage automatically data recovering, some times (if split brain occurs for example) you need to manually do specific stuffs to recover the cluster. I hope this will help some of you if problems occurs.

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Last month, I’ve wrote a document accessible on slideshare to explain some of basic/advanced features of MySQL/MariaDB. In addition, there were some informations related to Galera Cluster running on top of MariaDB. I’ve updated my documentation to help on choosing the better SST method and understand the differences (in french).

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I red that book a long time ago now and absolutely recommend that book !!! This is a must have and read ! It helps you to have a good organization in your day to day life as a system administrator. In addition, it will gives you bests practices to accomplish some tasks and rules to stay focus on your work. I repeat again : if you didn’t read that book yet, do it now !

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As you may know, I’m a MediaWiki’s fan. I manage and use it since 2006 and you can see what I do with on my wiki. I’ve always learned by myself, how to do things on MediaWiki as my needs were classical and for a single user. Some weeks ago, I’ve made a big upgrade for the last company I’ve worked for (Linagora) and I wanted to implement interesting features for a multi users usage.

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Last week, I started to play with LXC. It is the userspace control package for Linux Containers, a lightweight virtual system mechanism sometimes described as “chroot on steroids”. LXC builds up from chroot to implement complete virtual systems, adding resource management and isolation mechanisms to Linux’s existing process management infrastructure. I wanted to look at an alternative of OpenVZ and LXC seams to be the better solution. That’s why I started to play with.

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