Re: [Discuss-gnuradio] Xlib problem help request

[Stuart Brorson]

> 
> I completed a build with no obvious errors from tarballs, but I get an error 
> when running applications that I hope someone can help with.  I am using a 
> debian system that began with a Knoppix HD install.  The error messages are 
> as follows:
> 
> address@hidden:/home/ward# cd 
> /usr/share/doc/gnuradio-examples/examples/python/usrp
> address@hidden:/usr/share/doc/gnuradio-examples/examples/python/usrp# 
> ./usrp_fft.py -d 8
> Xlib: connection to ":0.0" refused by server
> Xlib: No protocol specified

You probably just need to grant all processes access to your X server.
Here's the magic command-line incantation:

xhost +

HTH,

Stuart