The set-config XML generates three objects: a certificate containing the uploaded certificate file, a key containing the uploaded key file, and an IDCredential containing the certificate and key.

set-config XML 生成了三个对象：一个包含上传了的证书文件的证书对象，一个包含上传了的密匙文件的密匙对象，以及一个包含证书和密匙的 IDCredential。

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If later you find you need a compose key to create alternative characters, you can return to this configuration screen by running "raspi-config".

ENGADGET: So you got a Raspberry Pi: now what?