scorn:/usr/X11R6# apt-get -f install
Reading package lists... Done
Building dependency tree... Done
Correcting dependencies... Done
The following extra packages will be installed:
  kcontrol kdebase-bin kdebase-data kdebase-kio-plugins kdesktop kdm kfind kicker konqueror kpersonalizer
  ksplash libgl1-mesa-dev libgl1-mesa-dri libglu1-mesa libglu1-xorg libkonq4 mesa-common-dev x-window-system
  x-window-system-core x11-common x11proto-core-dev x11proto-input-dev x11proto-xext-dev xaw3dg xaw3dg-dev
  xbase-clients xfonts-100dpi xfonts-75dpi xfonts-base xfonts-encodings xfonts-scalable xfonts-utils
  xlibmesa-gl-dev xorg xprint xserver-xorg xutils xutils-dev
Suggested packages:
  ntpdate ntp-simple gij-4.1 libgcj7-awt konq-speaker mesa-utils xfs xserver libglide2 pdksh
Recommended packages:
  hal xprint-utils xresprobe discover
The following packages will be REMOVED:
  xlibmesa-dri
The following NEW packages will be installed:
  libgl1-mesa-dev libgl1-mesa-dri libglu1-mesa mesa-common-dev x11proto-core-dev x11proto-input-dev
  x11proto-xext-dev xbase-clients xfonts-encodings xfonts-utils xorg xprint xserver-xorg xutils xutils-dev
The following packages will be upgraded:
  kcontrol kdebase-bin kdebase-data kdebase-kio-plugins kdesktop kdm kfind kicker konqueror kpersonalizer
  ksplash libglu1-xorg libkonq4 x-window-system x-window-system-core x11-common xaw3dg xaw3dg-dev xfonts-100dpi
  xfonts-75dpi xfonts-base xfonts-scalable xlibmesa-gl-dev
23 upgraded, 15 newly installed, 1 to remove and 271 not upgraded.
55 not fully installed or removed.
Need to get 0B/54.5MB of archives.
After unpacking 24.0MB of additional disk space will be used.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
  x11-common xbase-clients mesa-common-dev xserver-xorg konqueror kdesktop kcontrol libglu1-xorg libglu1-mesa
  xfonts-encodings xfonts-utils xfonts-base xfonts-100dpi xfonts-75dpi xfonts-scalable xutils-dev xutils xorg
  x-window-system-core libgl1-mesa-dri xlibmesa-gl-dev libgl1-mesa-dev x11proto-core-dev x11proto-input-dev
  x11proto-xext-dev libkonq4 kdebase-kio-plugins kicker ksplash kpersonalizer kdm kdebase-data kdebase-bin kfind
  x-window-system xaw3dg-dev xaw3dg xprint
Install these packages without verification [y/N]? y
Extracting templates from packages: 100%
Preconfiguring packages ...
xserver-xorg config warning: Migrating xserver-xfree86 debconf values to
   xserver-xorg.
(Reading database ... 244327 files and directories currently installed.)
Preparing to replace x11-common 6.9.0.dfsg.1-6 (using .../x11-common_1%3a7.0.22_i386.deb) ...
Unpacking replacement x11-common ...
dpkg: error processing /var/cache/apt/archives/x11-common_1%3a7.0.22_i386.deb (--unpack):
 trying to overwrite `/usr/X11R6/bin', which is also in package vide
Errors were encountered while processing:
 /var/cache/apt/archives/x11-common_1%3a7.0.22_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)