This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
> Institution: NCSU > Package Version: Latest > Operating System: Linux Fedora 7 > Hardware Information: Standard Computer > Inquiry: Whenever I try to run a display file I get this message: > [GEMPLT -83] NDISP - DISPLAY not set or invalid > > I am using linuz, so is there a setting I am not getting or something that I > am doing wrong? > > ~Robert Yaga > > > > Robert, You need to set the environmental variable DISPLAY in your shell environment before running any program which requires connection to an X server (eg guis and programs which use the xw, gf, png device drivers). Steve Chiswell Unidata User Support Ticket Details =================== Ticket ID: TQJ-277000 Department: Support GEMPAK Priority: Normal Status: Closed