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请问各位大佬,我在用串口调试板子的时候,想使用apt-get install安装一些应用,但是我更改source.list进行换源后,sudo apt-get update一直出问题(确定了不是source源的问题)。完整的错误信息如下:
W: GPG error: http://archive.ubuntu.com/ubuntu focal InRelease: Unknown error executing apt-key
W: The repository 'http://archive.ubuntu.com/ubuntu focal 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.
W: GPG error: http://archive.ubuntu.com/ubuntu focal-updates InRelease: Unknown error executing apt-key
W: The repository 'http://archive.ubuntu.com/ubuntu focal-updates 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.
W: GPG error: http://archive.ubuntu.com/ubuntu focal-security InRelease: Unknown error executing apt-key
W: The repository 'http://archive.ubuntu.com/ubuntu focal-security 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.
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal/main/i18n/by-hash/SHA256/148f017843d4120854368c6bfbcfbb008f0f8f5f1eef1b5eb77f55855da97979 Hash Sum mismatch
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal-updates/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.81 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal-security/main/binary-arm64/Packages 404 Not Found [IP: 91.189.91.81 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
请问该如何解决呢?
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