gnupg
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
错误 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them ......
Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
### 错误 ```bash apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but ......