Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown. Could not handshake: Error in the certificate verification. Err:4 http://ch.archive.ubuntu.com/ubuntu focal InRelease Get:5 http://ch.archive.ubuntu.com/ubuntu focal-updates InRelease [1...
docker run ubuntu /bin/echo 'Hello world' Unable to find image 'ubuntu:latest' locally C:\Program Files\Docker Toolbox\docker.exe: Error response from daemon: Gethttps://registry-1.docker.io/v2/: x509: certificate signed by unknown authority. ...