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Certificate verification failed: The certificate is NOT trusted. The name in the certificate does not match the expected

br flag

console output after trying to sudo apt install nvidia-cuda-toolkit

Need help, my system behaves badly. I am unable to perform installations. It just happened without me doing anything special that I know how to point out. I work on 20.04. Basically on a Pytorch project in the Pycharm environment, with a GPU card. At some point compilation stopped working. When I tried to fix by removing and installing all the software and dependencies everything failed. I Attach you a picture.

I tried to search on google, and run commands written there. I did a backup in Deja-dup . I tried running and fixing from USB BOOT. I tried to reinstall the operating system, but there is a warning that all my information will be deleted and I do not trust the backup.

Anyone know how to help?

user535733 avatar
cn flag
That mirror does not currently provide a secure https connection. Use http instead, or use a different mirror. The system is designed to be secure (each package is signed) without https.
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