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 Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs