(Estoy en Ubuntu 14.10. Uname -r => 3.16.0-31-generic)

apt-get update

Failed to fetch https://get.docker.com/ubuntu/dists/docker/main/binary-amd64/Packages  server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none.

git clonehttps://github.com/sdelements/lets-chat.git

I can't clone anything - fatal: unable to access 'https://github.com/sdelements/lets-chat.git/': server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none.

docker run hello-world

Get https://index.docker.io/v1/repositories/library/hello-world/images: x509: certificate signed by unknown authority.

ls /etc/ssl/certs/ca-certificates.crt -l

-rw-r--r-- 1 root root 1964 Mar 26 18:19 /etc/ssl/certs/ca-certificates.crt

Cualquier pista sería apreciada.