>> It looks like I have to modify live-initramfs source, build package >> from it and install into target live image. >> Isn't there a simpler approach? > > have you read the live-initramfs manpage? I've found 2 usefull options in live-initramfs manpage nouser and quickreboot. quickreboot works as expected, but nouser doesn't give me root shell or somethings Regards Sergey Schwartz