chris@chris-Satellite-L655:~$ sudo apt install xserver-xorg-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  gsettings-ubuntu-schemas indicator-sound libfs6 libllvm3.4
  liburl-dispatcher1 x11-apps x11-session-utils x11-xfs-utils xinit
Use 'apt-get autoremove' to remove them.
Suggested packages:
  xfonts-100dpi xfonts-75dpi
The following packages will be REMOVED:
  ubuntustudio-desktop xorg xserver-xorg-core-lts-wily
  xserver-xorg-input-all-lts-wily xserver-xorg-input-evdev-lts-wily
  xserver-xorg-input-mouse-lts-wily xserver-xorg-input-synaptics-lts-wily
  xserver-xorg-input-vmmouse-lts-wily xserver-xorg-input-wacom-lts-wily
  xserver-xorg-lts-wily xserver-xorg-video-all-lts-wily
  xserver-xorg-video-ati-lts-wily xserver-xorg-video-cirrus-lts-wily
  xserver-xorg-video-fbdev-lts-wily xserver-xorg-video-intel-lts-wily
  xserver-xorg-video-mach64-lts-wily xserver-xorg-video-mga-lts-wily
  xserver-xorg-video-neomagic-lts-wily xserver-xorg-video-nouveau-lts-wily
  xserver-xorg-video-openchrome-lts-wily xserver-xorg-video-qxl-lts-wily
  xserver-xorg-video-r128-lts-wily xserver-xorg-video-radeon-lts-wily
  xserver-xorg-video-savage-lts-wily xserver-xorg-video-siliconmotion-lts-wily
  xserver-xorg-video-sisusb-lts-wily xserver-xorg-video-tdfx-lts-wily
  xserver-xorg-video-trident-lts-wily xserver-xorg-video-vesa-lts-wily
  xserver-xorg-video-vmware-lts-wily
The following NEW packages will be installed:
  xserver-xorg-core
0 upgraded, 1 newly installed, 30 to remove and 0 not upgraded.
Need to get 1,228 kB of archives.
After this operation, 8,660 kB disk space will be freed.
Do you want to continue? [Y/n] 
Get:1 http://ca.archive.ubuntu.com/ubuntu/ trusty/main xserver-xorg-core amd64 2:1.15.1-0ubuntu2 [1,228 kB]
Fetched 1,228 kB in 1s (725 kB/s)              
(Reading database ... 243112 files and directories currently installed.)
Removing ubuntustudio-desktop (0.126) ...
Removing xorg (1:7.7+1ubuntu8.1) ...
Removing xserver-xorg-video-all-lts-wily (1:7.7+7ubuntu4~trusty1) ...
Removing xserver-xorg-video-ati-lts-wily (1:7.5.0+git20150819-0ubuntu1~trusty1) ...
Removing xserver-xorg-video-mach64-lts-wily (6.9.5-1~trusty1) ...
Removing xserver-xorg-video-fbdev-lts-wily (1:0.4.4-1build3~trusty1) ...
Removing xserver-xorg-lts-wily (1:7.7+7ubuntu4~trusty1) ...
Removing xserver-xorg-input-all-lts-wily (1:7.7+7ubuntu4~trusty1) ...
Removing xserver-xorg-input-vmmouse-lts-wily (1:13.1.0-0ubuntu1~trusty1) ...
Removing xserver-xorg-input-mouse-lts-wily (1:1.9.1-1~trusty1) ...
Removing xserver-xorg-video-vesa-lts-wily (1:2.3.4-0ubuntu1~trusty1) ...
Removing xserver-xorg-video-mga-lts-wily (1:1.6.4-1~trusty1) ...
Removing xserver-xorg-input-wacom-lts-wily (1:0.30.0-0ubuntu3~trusty1) ...
Removing xserver-xorg-input-evdev-lts-wily (1:2.9.2-1ubuntu1~trusty2) ...
Removing xserver-xorg-input-synaptics-lts-wily (1.8.2-1ubuntu1~trusty1) ...
Removing xserver-xorg-video-cirrus-lts-wily (1:1.5.3-1ubuntu1~trusty1) ...
Removing xserver-xorg-video-intel-lts-wily (2:2.99.917+git20150808-0ubuntu4~trusty2) ...
Removing xserver-xorg-video-neomagic-lts-wily (1:1.2.9-1~trusty1) ...
Removing xserver-xorg-video-nouveau-lts-wily (1:1.0.11-1ubuntu3~trusty1) ...
Removing xserver-xorg-video-openchrome-lts-wily (1:0.3.3-1ubuntu1~trusty1) ...
Removing xserver-xorg-video-qxl-lts-wily (0.1.4-3ubuntu1~trusty1) ...
Removing xserver-xorg-video-r128-lts-wily (6.10.0-1~trusty1) ...
Removing xserver-xorg-video-radeon-lts-wily (1:7.5.0+git20150819-0ubuntu1~trusty1) ...
Removing xserver-xorg-video-savage-lts-wily (1:2.3.8-1ubuntu1~trusty1) ...
Removing xserver-xorg-video-siliconmotion-lts-wily (1:1.7.8-1ubuntu4~trusty1) ...
Removing xserver-xorg-video-sisusb-lts-wily (1:0.9.6-2build3~trusty1) ...
Removing xserver-xorg-video-tdfx-lts-wily (1:1.4.6-1~trusty1) ...
Removing xserver-xorg-video-trident-lts-wily (1:1.3.7-1~trusty1) ...
Removing xserver-xorg-video-vmware-lts-wily (1:13.1.0-0ubuntu1build2~trusty1) ...
Removing xserver-xorg-core-lts-wily (2:1.17.2-1ubuntu9.1~trusty1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.7) ...
Selecting previously unselected package xserver-xorg-core.
(Reading database ... 242822 files and directories currently installed.)
Preparing to unpack .../xserver-xorg-core_2%3a1.15.1-0ubuntu2_amd64.deb ...
Unpacking xserver-xorg-core (2:1.15.1-0ubuntu2) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Setting up xserver-xorg-core (2:1.15.1-0ubuntu2) ...
chris@chris-Satellite-L655:~$