2010/12/22 <sufian.abu-rab at freenet.de>: > > > hi, i still have the failure: > > > > sudo: /usr/sbin/xm: command not found Did you read http://opennebula.org/documentation:rel2.0:xeng ? Maybe try with binary packages. There are available deb and rpm packages. Regards, -- Łukasz Oleś