I got a error when adding gpg key, I’m using Debian 8.
Error:
apt-key adv --keyserver p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.aKJiP9tjQ2 --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-jessie-automatic.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-jessie-security-automatic.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-jessie-stable.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-squeeze-stable.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg --keyring /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg --keyring /etc/apt/trusted.gpg.d/noobslab-icons.gpg --keyring /etc/apt/trusted.gpg.d/noobslab-themes.gpg --keyring /etc/apt/trusted.gpg.d/numix-ppa.gpg --keyserver p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
gpg: requesting key 2C52609D from p80.pool.sks-keyservers.net:80
gpgkeys: no keyserver host provided
gpg: keyserver internal error
gpg: keyserver receive failed: erro do servidor de chaves
Following:
https://docs.docker.com/engine/installation/debian/#debian-jessie-80-64-bit