Trouble installing deSolve package on Ubuntu 20.4, R 4.1.2, RStudio 2021.09.2


I'm trying to install the package deSolve.
First I had an issue with a missing gfortran but that was easyto fix. But now the installation routine stops with the error message
/usr/bin/ld: -lblas kann nicht gefunden werden
and that one is not that easy to fix. Any suggestions?
Thanks a lot in advance,

For this specific error I think you are missing OpenBlas in your system, try installing it

sudo apt install libopenblas-base
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That helped a lot, thank you very much. The final solution was:
sudo apt-get install libopenblas-dev
(But maybe I forgot to add the -base part and that would have solved too? I've been at my computer for too long today.)