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From: =?UTF-8?q?=E5=85=AD=E5=BC=80=E7=AE=B1?= <lkxed@outlook.com>
Date: Sat, 20 May 2023 23:29:26 +0800
Subject: [PATCH] =?UTF-8?q?[=E6=89=8B=E5=8A=A8=E9=80=89=E9=A2=98][tech]:?=
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+[#]: subject: "Fix “invalid or corrupted package (PGP signature)” Error In Arch Linux"
+[#]: via: "https://www.debugpoint.com/invalid-corrupted-package-arch/"
+[#]: author: "Arindam https://www.debugpoint.com/author/admin1/"
+[#]: collector: "lkxed"
+[#]: translator: " "
+[#]: reviewer: " "
+[#]: publisher: " "
+[#]: url: " "
+
+Fix “invalid or corrupted package (PGP signature)” Error In Arch Linux
+======
+
+**A simple guide to fix the “invalid or corrupted package” error in Arch Linux.**
+
+I have a few Arch Linux systems in both physical and VM setup, which I access when needed. After almost two months, when I tried to upgrade the Arch Linux in one of them using `sudo pacman -Syu`, I got hundreds of errors like this:
+
+![Sample invalid or corrupted package error in Arch Linux][1]
+
+The problem is when you get the above error, you can not upgrade/update your Arch system. Even if you sync the mirrors or get a faster one. So, if you run `sudo pacman -Syyu`, the error will still be there. This is also problematic since you can’t install any additional packages until this is fixed.
+
+### Cause
+
+When you install or upgrade packages on an Arch Linux system, pacman checks the digital signatures of the packages against the keys in the `archlinux-keyring` package. This verification process ensures that the packages you download and install are unmodified and come from trusted sources.
+
+It contains the public keyring used to [verify the authenticity and integrity of packages][2] and in pacman. The `archlinux-keyring` package is regularly updated by the Arch Linux developers to include new trusted keys and revoke any compromised keys.
+
+If you have not updated your Arch Linux system for a longer period, then the digital signatures of various packages may mismatch. The changed keys may not match what you have in your system.
+
+Hence the error.
+
+### Fix
+
+To fix “invalid or corrupted package (PGP signature)” error in Arch Linux, you need to install/update the `archlinux-keyring` package from the `Core` repo. Run the following from the terminal:
+
+```
+sudo pacman -S archlinux-keyring
+```
+
+After the above command is complete, run the upgrade:
+
+```
+sudo pacman -Syu
+```
+
+This will resolve the problem, and you can continue your normal activity in Arch Linux. It’s recommended to always keep the `archlinux-keyring` package up to date to maintain the security and integrity of your Arch Linux system.
+
+--------------------------------------------------------------------------------
+
+via: https://www.debugpoint.com/invalid-corrupted-package-arch/
+
+作者：[Arindam][a]
+选题：[lkxed][b]
+译者：[译者ID](https://github.com/译者ID)
+校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
+
+[a]: https://www.debugpoint.com/author/admin1/
+[b]: https://github.com/lkxed/
+[1]: https://www.debugpoint.com/wp-content/uploads/2023/05/Sample-invalid-or-corrupted-package-error-in-Arch-Linux.jpg
+[2]: https://wiki.archlinux.org/title/Pacman/Package_signing
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