solutions to your problem is here: http://www.mail-archive.com/debian-edu@lists.debian.org/msg24429.html Regards Alf Tonny Bätz 2012/3/29 <alcio313@gmail.com>: > Hi, I'm Alcio and quite niub lol. I got this error "Authentication Failure" > shown in Skolelinux Squeeze workstation's login console. I tried and tried > again, passwords are correct, why is that? >