Remote kernels in Mathematica (finally working solution)

 https://sl43896534.blogspot.com/2025/03/remote-kernels-when-having-multiple.html

File browser and file dialogs take a long time to open

 https://askubuntu.com/questions/1341909/file-browser-and-file-dialogs-take-a-long-time-to-open-or-fail-to-open-in-all-ap

 

Fast solution: 

pkill gvfsd-trash

Brute force permanent solution:

mv /usr/libexec/gvfsd-trash{,.bak}