--- a/.gnupg/gpg.conf	Sun Dec 25 21:06:07 2022 +0200
+++ b/.gnupg/gpg.conf	Tue Dec 27 16:14:46 2022 +0200
@@ -6,3 +6,7 @@
 default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 ZLIB BZIP2 ZIP Uncompressed
 
 keyid-format long
+
+# To avoid specifying "--keyserver".
+keyserver keyserver.ubuntu.com
+# keyserver keys.gentoo.org