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error messages when installing matlab. How to fix this?

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When I try to install matlab on my CentOS 8 virtual machine, the below messsages show when I try to run it as a user or root user. How do I fix this?
[charl@localhost matlab]$ sudo ./install
No protocol specified
terminate called after throwing an instance of '(anonymous namespace)::DisplayError'
what(): No display available.
[charl@localhost matlab]$ ./install
terminate called after throwing an instance of 'std::runtime_error'
what(): Unable to launch the MATLABWindow application
Aborted (core dumped)


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Accepted Answer

Charlotte Liang
Charlotte Liang on 2 Nov 2020
I found the soluiton here:
user@computer $ xhost +
>> access control disabled, clients can connect from any host
Then open a terminal as root and export the DISPLAY and run the installer:
root@computer # export DISPLAY=:0.0
root@computer # ./install

  1 Comment

Nikhil Jayswal
Nikhil Jayswal on 3 Nov 2020
Thank you so much! This saved me a lot of time. Do you have any idea why it works?

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