How to view the list of installed packages These packages cannot be removed unless forced with option –force-remove-reinstreq. Reinstreq: A package marked reinstreq is broken and requires reinstallation. Ok: A package marked ok is in a known state, but might need further processing. Purge: The package is selected to be purged. Hold: A package marked to be on hold is not handled by dpkg unless forced to do that with option –force-hold.ĭeinstall: The package is selected for de-installation. Install: The package is selected for installation. Installed: The package is correctly unpacked and configured. Triggers-pending: The package has been triggered. Triggers-awaited: The package awaits trigger processing by another package. Half-configured: The package is unpacked and configuration has been started, but not yet completed for some reason. Unpacked: The package is unpacked, but not configured. Half-installed: The installation of the package has been started but not completed for some reason. Not installed: The package is not installed on your system.Ĭonfig-files: Only the configuration files of the package exist on the system. However, the values would be changed with dselect. The information that dpkg maintains is divided into three classes: You can find more information about this here.Recommended Article: Tutorial How to Migration Guide from cPanel to Directadmin Packages information I guess the problem is that the public key '7fa2af80' is deprecated by NVIDIA from 27 April.

The issue is with the second block of the code where it uses the public key '7fa2af80' to install CUDA 9.2 from this repo Because it successfully uninstalls the current CUDA version on Colab (version 11.2), when you check !nvcc -version you see that there is no CUDA installed. I think the first block of your code is working.

!dpkg -l | grep cuda- | awk '' | xargs -n1 dpkg -purge Step 1: Removing previous CUDA versions !apt-get -purge remove cuda nvidia* libnvidia-* For that I am following the below steps but I am not able to install CUDA packages.

Dpkg install