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From the download page, I have installed oneAPI Base Toolkit. I got the following Error Post Installation.

 Error: Fontconfig warning: "/etc/fonts/fonts.conf", line 86: unknown element "blank"
    [104618:0622/123508.008581:ERROR:browser_main_loop.cc(1409)] Unable to open X display.

The installation is done by current user (nonroot user).How to fix this error?

Aishwarya
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  • Does `xterm` or `xdpyinfo` work if you run them from the same command line? If not, make sure your `DISPLAY` env var is set correctly, and so on. – Peter Cordes Nov 14 '22 at 11:19

1 Answers1

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Try running the below command to check if the required packages for loading the GUI of Intel oneAPI Toolkits are installed correctly:

sudo apt-get install x11-apps libgbm1 libatspi2.0-0 libgtk-3-0 xdg-utils libnotify4

Additionally, try setting the DISPLAY environment variables using any of the below command:

export DISPLAY=localhost:0.0
export DISPLAY=127.0.0.1:0.0
export DISPLAY=:0.0
export DISPLAY="`grep nameserver /etc/resolv.conf | sed 's/nameserver //'`:0"

Note: If you are running the toolkits inside a VM/WSL where the host OS is Windows, you need to install a display handler inside Windows to get the GUI. For example: VxSsrv, Xming

Jyothis - Intel
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