hduser@AJ:/home/aj$ nautilus
No protocol specified
** (nautilus:6153): WARNING **: Could not open X display
No protocol specified
gdk_mir_display_open
Failed to connect to Mir: Failed to connect to server socket: Permission denied
Unable to init server: Could not connect: Connection refused
(nautilus:6153): Gtk-WARNING **: cannot open display: :0
hduser@AJ:/home/aj$ nautilus
No protocol specified
** (nautilus:6153): WARNING **: Could not open X display display_ open
No protocol specified
gdk_mir_
Failed to connect to Mir: Failed to connect to server socket: Permission denied
Unable to init server: Could not connect: Connection refused
(nautilus:6153): Gtk-WARNING **: cannot open display: :0