apt-key adv --keyserver pgp.mit.edu --recv-keys ED444FF07D8D0BF6
給服務器添加公鑰時報錯如下:
gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
uploading-image-303658.png
解決方法
在添加密鑰之前執行
apt-get update && apt-get install -y gnupg2