Ubuntu13.04 start the root login system in the official version

Ubuntu 13.04 official version start root login system Ubuntu 13.04 official version start root login system in order to enable the root account (that is, set a password) use the command: sudopasswdroot switch to the root command: suroot execute command: sudoecho & quot; allowRoottrue & quot ;... ubuntu13.04 official version start root login system ubuntu13.04 official version start root login system in order to enable the root account (that is, set a password) run the command: sudo passwd root switch to the root command: su root run the command: sudo echo "AllowRoot = true">/etc/TPD/custom. after the conf command is restarted, you can log on to the root user. The reason is that the root user does not have the permission to access the pulsaudio, and the pulsaudio cannot be automatically started under the root user by default. Solution: add the root user to the pulse Group and the pulse-access Group respectively. if the root user is not added, the user does not have the permission to access the gpasswd-a root pulsegpasswd-a root pulse-access of the sound device.