The error message "xhost: unable to open display "", ..." suggests to me that $ENV{DISPLAY} is undefined or set to an empty string. A fairly typical value for that environment variable is '0:0'.

X11 seems appropriate. What system are you running on?

-- Ken

In reply to Re: perl/cgi and x11 by kcott
in thread perl/cgi and x11 by jebby

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