[chimerax-users] Debian 10 Installation

Greg Couch gregc at cgl.ucsf.edu
Tue Jan 25 18:38:50 PST 2022


The nugget of good news was that you were able to install ChimeraX using 
apt-get.  That means all of the dependencies we currently know about 
were installed.  So the problem is probably that either (A) you need to 
update your graphics driver or (B) that we missed a dependency.

For (A) we recommend the proprietary Nvidia driver if you have Nvidia 
graphics, or the open-source drivers if you have AMD or Intel graphics.  
Please send me the output from "lspci | grep VGA" so I can see what 
graphics device(s) you have.

For (B), please send me the output from running:

     ldd 
/usr/lib/ucsf-chimerax/lib/python3.9/site-packages/PyQt5/Qt/plugins/platforms/libqxcb.so

If there is a line that says "not found", then we have found the missing 
dependency, and I can add it to future deb packages so other people 
don't have this problem.  But there could be other errors that show up.

     -- Greg

On 1/22/2022 12:30 PM, Martin Urban via ChimeraX-users wrote:
>
> Dear ChimeraX users,
>
> I have a problem with the installation of ChimeraX under Debian 10 
> buster.
>
> I downloaded the ucsf-chimerax_1.3ubuntu18.04_amd64.deb from the 
> official website. I installed it one time with: /sudo dpkg -i 
> //ucsf-chimerax_1.3ubuntu18.04_amd64.deb /and also with /sudo apt-get 
> install .///ucsf-chimerax_1.3ubuntu18.04_amd64.deb./ Both times I get 
> the same error message:
>
> qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in " " even 
> though it was found. This application failed to start because no Qt 
> platform plugin could be initialized. Reinstalling the application may 
> fix this problem.
>
> The full error message is as attachment in this mail.
>
> I searched the web for an answer and came up with three entries of 
> this mailing list. I followed the described way in these mails, but 
> nothing worked for me (1st mail: 
> https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-October/002797.html; 
> 2nd mail: 
> https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-October/002770.html; 
> 3rd mail: 
> https://www.rbvi.ucsf.edu/pipermail/chimerax-users/2021-June/002339.html)
>
> Do you have an answer or a solution to my problem?
>
> Greetings from Germany
>
> -- Martin
>
>
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