I am trying to install cuda toolkit version 11.1 on Ubuntu 20.04 because a neural network I'm using is only compatible with cuda version 11.1, however, the latest version is 11.3. Is there anyway I can install version 11.1 (Haven't installed cuda yet, nvidia driver: 460.73.01).
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Does this answer your question? Is there a PPA for having nvidia-cuda-toolkit with the latest cuda (11.1) for Ubuntu 20.04 (Focal)? – karel Apr 16 '22 at 23:07
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Pick the Nvidia driver you really want (465 is available from the standard repositories if you select it from Software and Updates/additional drivers). Make a cuda11.1 directory somewhere writable by you, make a bin and lib directory under it. Get the 11.1 .run file from Nvidia, skip any offers of an Nvidia driver, and override the system locations with your ...cuda11.1/bin and ...cuda11.1/lib directories. Add the cuda11.1/bin to the start of your PATH, and the cuda11.1/lib to the beginning of your LD_LIBRARY_PATH. That's it. No sudo needed when you execute the run file, and you can add links to any old versions of programs cuda11.1 might need in your cuda11.1/bin directory. No old/odd program/lib versions need be installed in your system areas.
Terrance has a nice answer for details on using the .run file for CUDA installation. It is easy to have multiple CUDA versions available to you, just change your PATH and LD_LIBRARY_PATH. This method avoids the dependency problems with the Nvidia .deb files. and Nvidia drivers.
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