I update my Ubuntu 20.04.2 LTS using sudo apt update but have an error occurs

Raymart

10/24/22, 6:06 AM

W: GPG error: http://archive.canonical.com/ubuntu focal InRelease: Unknown error executing apt-key
E: The repository 'http://archive.canonical.com/ubuntu focal InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://archive.ubuntu.com/ubuntu focal InRelease: Unknown error executing apt-key
E: The repository 'http://archive.ubuntu.com/ubuntu focal InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
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
E: The repository 'http://archive.ubuntu.com/ubuntu focal-updates InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://archive.ubuntu.com/ubuntu focal-backports InRelease: Unknown error executing apt-key
E: The repository 'http://archive.ubuntu.com/ubuntu focal-backports InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
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
E: The repository 'http://archive.ubuntu.com/ubuntu focal-security InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

136

0 + 1

updates

update-manager

package-management

apt

repository

nobody

10/24/22, 1:15 PM

Please show `dpkg -l | grep ubuntu-keyring`

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: I update my Ubuntu 20.04.2 LTS using sudo apt update but have an error occurs

TH: ฉันอัปเดต Ubuntu 20.04.2 LTS โดยใช้ sudo apt update แต่มีข้อผิดพลาดเกิดขึ้น

RO: Îmi actualizez Ubuntu 20.04.2 LTS folosind actualizarea sudo apt, dar apare o eroare

RU: Я обновляю свой Ubuntu 20.04.2 LTS, используя sudo apt update, но возникает ошибка

VI: Tôi cập nhật Ubuntu 20.04.2 LTS bằng sudo apt update nhưng xảy ra lỗi

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