This bug drove me batty until I found this. Making a Nextcloud appliance with Ubuntu Server 16.04 as the OS and I couldn't install a gui. Tried xfce, lxde, and lxqt to no avail. Re-installed, tried again, and nothing. Post #14 worked for me but a little different.
startxfce4 -- :1 vt1 Is the proper command to launch xfce once logged on. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xinit in Ubuntu. https://bugs.launchpad.net/bugs/1562219 Title: Unprivileged xinit wont start in unallocated vt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xinit/+bug/1562219/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp