apt出现no public key available for the following key IDs
昨天在163为开源做贡献 网易推出开源软件镜像这篇文章说到网易的开源第一步，想说在我的debian上测试一下速度，结果被提示:
W: There is no public key available for the following key IDs:
4D270D06F42584E6
W: You may want to run apt-get update to correct these problems
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