Tagging as duplicate.
To add the key to your APT keyring, run the following command:
gpg --keyserver hkp://wwwkeys.eu.pgp.net --recv-keys 0x12B83718 ; gpg --export -a 0x12B83718 | sudo apt-key add -
Tagging as duplicate.
To add the key to your APT keyring, run the following command:
gpg --keyserver hkp://wwwkeys. eu.pgp. net --recv-keys 0x12B83718 ; gpg --export -a 0x12B83718 | sudo apt-key add -