gnupg报错 gpg: no writable keyring found: Not found 使用如下命令创建秘钥时，gnupg报错： ~$ apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 51716619E084DAB9 Executing: /tmp/apt-key-gpghome.JaQF9UeFHa/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 51716619E084DAB9 gpg: key 51716619E084DAB9: public key "Michael Rutter <marutter@gmail.com>" importedUbuntu
