error al importar las key
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pi# gpg --keyserver pgpkeys.mit.edu --recv-key 2E484DAB && gpg --export --armor 2E484DAB | apt-key add - gpg: failed to start the dirmngr '/usr/bin/dirmngr': No existe el fichero o el directorio gpg: connecting dirmngr at '/root/.gnupg/S.dirmngr' failed: No existe el fichero o el directorio gpg: keyserver receive failed: No dirmngr
instalar dirmngr
apt-get install dirmngr
para poder importar la key
gpg --keyserver pgpkeys.mit.edu --recv-key A59C5DC8 && gpg --export --armor A59C5DC8 | apt-key add - gpg --keyserver pgpkeys.mit.edu --recv-key 2E484DAB && gpg --export --armor 2E484DAB | apt-key add -