在ubuntu中运行sudo apt-get update报错The following signatures couldn‘t be verified because the public key

出现的问题如下图:

 报错信息:

Err:5 http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64  InRelease                                                                                                   
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A4B469963BF863CC

解决办法:

1、把刚刚报错信息里面的 NO_PUBKEY后面的复制下来,我的就是 A4B469963BF863CC

sudo gpg --keyserver keyserver.ubuntu.com --recv-keys A4B469963BF863CC

 运行截图如下:

 2、运行命令,中间的还是上面NO_PUBKEY后面的复制下来即可

sudo gpg --export --armor A4B469963BF863CC | sudo apt-key add -

运行截图如下,可以看到有一个 OK

 3、接着在运行不会报错了

sudo apt-get update

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转载自blog.csdn.net/weixin_46085718/article/details/127545953
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