Op 13-02-15 om 08:20 schreef Nico Rikken: > Thanks for asking the question and initiating me to write an overview, > which is likely to be reformatted as a blogpost for reference. Thank you for answering my questions! With regards, Paul van der Vlis. -- Paul van der Vlis Linux systeembeheer, Groningen http://www.vandervlis.nl/