Ha oui ca a l'air simple:

http://www.crypt.gen.nz/selinux/disable_selinux.html

https://www.centos.org/docs/5/html/5.1/Deployment_Guide/sec-sel-enable-disable.html

http://www.thegeekstuff.com/2009/06/how-to-disable-selinux-redhat-fedora-debian-unix/

...