To remove and reinstall Lambda Stack:
Uninstall (purge) the existing Lambda Stack by running:
sudo rm -f /etc/apt/sources.list.d/{graphics,nvidia,cuda}* && \
dpkg -l | \
awk '/cuda|lib(accinj64|cu(blas|dart|dnn|fft|inj|pti|rand|solver|sparse)|magma|nccl|npp|nv[^p])|nv(idia|ml)|tensor(flow|board)|torch/ { print $2 }' | \
sudo xargs -or apt -y remove --purge
Then, install the latest Lambda Stack by running
wget -nv -O- https://lambdalabs.com/install-lambda-stack.sh | sh -.