GnuPG knows the following configurations locations:
~/.gnupg/gpg.conf
fixed-list-mode
keyid-format 0xlong
with-fingerprint
list-options show-uid-validity
verify-options show-uid-validity
no-greeting
sudo wget https://sks-keyservers.net/sks-keyservers.netCA.pem -O /etc/ssl/private/sks-keyservers.netCA.pem
keyserver hkps://hkps.pool.sks-keyservers.net
keyserver-options ca-cert-file=/etc/ssl/private/sks-keyservers.netCA.pem
keyserver-options auto-key-retrieve
default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 BZIP2 ZLIB ZIP Uncompressed
cert-digest-algo SHA512
personal-digest-preferences SHA512 SHA384 SHA256 SHA224
FIXME underlined and italic
default-key *KEY_ID*