--
title: Home of zecrazytux's thoughts, hacks and dreams
description: Personal pages of zecrazytux: diy, hacking, systems and networks engineering, system administration
keywords: zecrazytux, ganeti, ansible, debug, linux, bsd, netbsd, free software, open source, hacking, hack, engineer, perl, virtualisation, xen, network, ipv6, troubleshooting
--
## Who am I ?
A qw{geek sysadmin french} guy passionate about qw{freesoftware science diy/hacking}.
You may find me around these projects (as a lurker or a user, and occasionally as a contributor):
[NetBSD, Pkgsrc](http://netbsd.org) / [Pkgsrc-WIP](http://pkgsrc-wip.sourceforge.net/), [Debian](http://debian.org), [Ganeti](http://code.google.com/p/ganeti/), [Ansible](http://ansible.cc), [DeforaOS](http://defora.org)
* [my github page](http://github.com/zecrazytux)
* [my Ohloh page](http://www.ohloh.net/accounts/zecrazytux)
### Contact
* IRC: zecrazytux @irc.freenode.org #netbsdfr and more (depending on the mood)
* Email: zecrazytux :at: zecrazytux :dot: net
### Social networks
* Professional networking and resume: see [http://sebastien.bocahu.name](http://sebastien.bocahu.name/).
* [Twitter](https://twitter.com/zecrazytux)
## Documentation and publication
### Troubleshooting / debugging
* [Segfault on a production service: Apache debugging example/tutorial, based on a true story](/troubleshooting/apache2-segfault-debugging-tutorial)
* [PHP exited signal 7 (SIGBUS), with prestashop](/troubleshooting/php-sigbus-crash-prestashop)
### Sysadmin
* [Booting a NetBSD domU with an in-tree kernel using PVGrub, in a Ganeti cluster](/sysadmin/netbsd/Ganeti_Xen-PVM_PVGrub_NetBSD)
* [How to build pkgsrc packages on a build host, on-demand (no (partial?) bulk builds)](/sysadmin/netbsd/build-host-without-bulk-builds)
* [Network troubleshooting: netflow collector on GNU/Linux](/sysadmin/networking/netflow-network-troubleshooting)
* [ADSL router with a Soekris running NetBSD](/sysadmin/netbsd/ADSL-router)
* [Présentation d'ansible pour les JM2L](/files/jm2l_ansible.html)
### Dev
* [Gdb](/dev/gdb) (personal notes/cheatsheet)
* [Git](/dev/git) (personal notes/cheatsheet)
### Hardware, Embedded
* [OpenRD electric hack to power two HDD](/OpenRD_electric_hack_two_hdd)
* [Introduction à l'embarqué, Debian et l'embarqué, et le projet Openmoko](/files/introduction_embarque-debian-openmoko.html) (fr)
* [Introduction à l'embarqué et OpenWRT](/files/introduction_embarque-OpenWRT.pdf)
### Artwork, LaTeX
* [LaTeX sources of my resume / CV](/files/cv-latex-demo.tex) - [have a look to my resume/CV on http://sebastien.bocahu.name](http://sebastien.bocahu.name) to see how beautiful it is ;)
## [Bookmarks / Links](bookmarks)