Actually the firefox snap can access files on the local disk, but only if 
they are in the user's home directory.  It cannot access files in /tmp.  
Does the  plot viewer use the ubuntu system's /tmp?

- Marc
On Monday, April 1, 2024 at 2:31:44 PM UTC-5 Emmanuel Charpentier wrote:

> I just had to install Sage on a Windows machine (long story…) which has to 
> be connected to a corporate VPN, whose an annoying side effect is to 
> deprive Linux apps of network connectivity (don’t get me started…). 
> Therefore, the Linux browser couldn’t use Mathjax.
>
> Using your utilities works perfectly. I checked that one can display both 
> 2D and 3D graphics from both commandine and Jupyter/Jupyterlab notebooks.
>
> BTW, does your son run Ubuntu 22.04 ? If so, it might explain why display 
> is problematic : this distribution uses a “snap” version of firefox, which 
> asininely insists to run in its own sandbox, *with no access to local 
> files :* (‘Grrrr…).
>
> HTH,
> ​
> Le lundi 4 mars 2024 à 23:23:17 UTC+1, kcrisman a écrit :
>
>> Has anyone successfully used the instructions at 
>> https://wiki.sagemath.org/SageWindows lately for plots?  I'm reviewing 
>> https://github.com/sagemath/sage/pull/37184 and it would be nice to have 
>> that information actually in the installation guide, but for some reason it 
>> didn't work for me.  (Maybe because it's my son's computer ... some sort of 
>> Murphy's Law?)
>>
>> Thanks for any info.
>>
>

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