Docker installation problem (ubuntu 20.04 LTS) - Stack Overflow
https://stackoverflow.com/questions/68712058/docker-installation-problem-ubuntu-20-04-lts-e-the-repository-https-down
Aug 09, 2021 · 1. Older versions of Docker were called docker, docker.io, or docker-engine. If these are installed, uninstall them: sudo apt-get remove docker docker-engine docker.io containerd runc. 2. Update the apt package index. sudo apt-get update. 3. install packages to allow apt to use a repository over HTTPS:
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