On Wed, Jan 23, 2013 at 10:46:33AM +0100, Josselin Mouette wrote: > You might find this useful: > http://np237.livejournal.com/33449.html > > I made this presentation in the hope to make such things easier to > understand for the sysadmin. Just for the record I found it a good read, and mentally have it bookmarked for the next time I need it.