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apt-get 更新后出现英特尔图形 ppa 错误

tag-icon • tag-icon drivers apt graphics
apt-get 更新后出现英特尔图形 ppa 错误

我怎样才能忽略该消息？

W: GPG error: https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 56A3DEF863961D39
W: The repository 'https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.

它来自英特尔更新 gfx。

答案1

我通过运行以下命令成功解决了 Ubuntu 16.04 和 16.10 的问题

wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-GROUP-KEY-ilg -O - | sudo apt-key add -
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg -O - | sudo apt-key add -
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-2 -O - | sudo apt-key add -
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-3 -O - | sudo apt-key add -
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-4 -O - | sudo apt-key add -

答案2

尝试添加密钥（56A3DEF863961D39用丢失的密钥替换）：

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 56A3DEF863961D39
sudo apt-get update

参考文献及进一步阅读：

答案3

打开终端并运行

wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-4 -O - | sudo apt-key add -

这将允许更新，您会收到弱摘要算法警告，但目前这只是一个警告。（在 16.04 中

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