how can I change the keyboard-layout after installation ?
kbdcontrol -l /usr/share/syscons/keymaps/german.iso.kbd
this will be resetted after a reboot.
how can I make the change permanent ?
Just out of curiosity, how often do you delve down on the console ?
I have actually never logged in to the console after the install, on any of the sites I have installed on.
So for me I would see no benefit from changing this value.