[Rd] Please don't assume a display for package installation

Dirk Eddelbuettel edd at debian.org
Tue Nov 30 14:09:29 CET 2004

On Tue, Nov 30, 2004 at 09:09:23AM +0000, Prof Brian Ripley wrote:
> SciViews is the latest of several packages that need an X server to 
> complete package installation.
> Please bear in mind that packages may get installed on a server with no 
> display, yet run on client workstations with displays.  If your package is 

Or are built in a chroot / batch mode setting without $DISPLAY.  I had two
or three CRAN/BioC packages fail as well when I auto-built over 500 packages
(i.e. all not yet available as Debian binaries) for the newest Quantian
(which is currently being uploaded; takes some 20 to 24 hours on my capped
domestic broadband line).

> intended to start a window when it starts up, please test for a display 
> first (e.g. via capabilities("X11")).
> There are ways around this (running Xvfb, arranging a remote display) but 
> they are tedious at best (and few machines come with Xvfb installed).

Yes, would be nice to fix this.


If your hair is standing up, then you are in extreme danger.
      -- http://www.usafa.af.mil/dfp/cockpit-phys/fp1ex3.htm

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