ArchLinux: package is corrupted (invalid or corrupted package)

packate.tar.zst is corrupted (invalid or corrupted package (PGP signature)).

In case you get an output like this when updating (pacman -Syu).

(2077/2077) checking package integrity                          [###################################] 100%
error: linux-api-headers: signature from "Some Name <some@name.com>" is unknown trust
:: File /var/cache/pacman/pkg/linux-api-headers-5.10.13-1-any.pkg …
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paru/yay "No name" when updating

paru/yay "No name" when updating packages

If paru/yay outputs something like:

:: Proceed with installation? [Y/n]: y
:: keys need to be imported:)               
     B0F4253373F8F6F510D42178520A9993A1C052F8 wanted by: nginx-rtmp-1.18.0-3
     8FD3D9A8D3800305A9FFF259D1742AD60D811D58 wanted by: spotify-1:1.1.67.586-1
     474E22316ABF4785A88C6E8EA2C794A986419D8A wanted by: llvm7-7.1.0-4 (llvm7-libs)
     B6C8F98282B944E3B0D5C2530FC3042E345AD05D wanted by: llvm7-7.1 …
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/etc/profile.d/perlbin.sh:6 command not found: append_path

"/etc/profile.d/perlbin.sh:6 command not found: append_path" for arch users

In case you get something like this printed when starting zsh (or bash, csh, fish, etc. ):

/etc/profile.d/perlbin.sh:6: command not found: append_path
/etc/profile.d/perlbin.sh:8: command not found: append_path
/etc …
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