Importar todas las chaves GPG que faltan

No terminal coma root escrebe:

apt update 2>&1 1>/dev/null | sed -ne 's/.NO_PUBKEY //p' | while read key; do if ! [[ ${keys[]} =~ "$key" ]]; then sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys "$key"; keys+=("$key"); fi; done