> > Is there a way to set all this up, and to type the passphrase once for > > all the encrypted volumes? > > Yes. > > > Or to make the system bootable with a key on a usb-stick inserted in > > it's slot during the boot? > > Yes. > > > Any possibilities known here by anyone? > > Ye^H^HGoogle. > Thanks for this very helpful answer! You're a real hero.