Enable XDMCP Remote Login in Ubuntu 12.04 LTS LightDM

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http://ubuntuguide.net – This is simple guide about enable xdmcp service on Ubuntu 12.04 for user/root remote login. Precise uses the LightDM, so this method also works on ubuntu 11.10 with default LightDM display manager. To enable xdmcp: Edit lightdm config file with your favorite editor: sudo vi /etc/lightdm/lightdm.conf Add two lines at the end and save the file: [XDMCPServer] enabled=true Restart and you can use Xmanager to remote login now! If you would like root login in 12.04 First, enable root by giving it password: sudo passwd root Then add this line to ‘/etc/lightdm/lightdm.conf’: greeter-show-m (HowTos)