pacman error: audit: signature from is unknown trust技术
使用 pacman 更新系统报错怎么办？更新是个麻烦事，长时间不更新一更新就容易出各种问题。
pacman -Syu error: audit: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust
error: audit: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/audit-2.8.4-2-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: libtiff: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/libtiff-4.0.10-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: autoconf-archive: signature from "Eli Schwartz <eschwartz@archlinux.org>" is unknown trust :: File /var/cache/pacman/pkg/autoconf-archive-1:2019.01.06-1-any.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: ctags: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/ctags-1:r20181015+g45968eff-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: patch: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/patch-2.7.6-7-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: vim-runtime: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/vim-runtime-8.1.0751-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: gvim: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/gvim-8.1.0751-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: libplacebo: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/libplacebo-1.7.0-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: strongswan: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/strongswan-5.7.1-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: aribb24: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/aribb24-1.0.3-2-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: vlc: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/vlc-3.0.6-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: wget: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trust :: File /var/cache/pacman/pkg/wget-1.20.1-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want to delete it? [Y/n] n error: failed to commit transaction (invalid or corrupted package) Errors occurred, no packages were upgraded.
解决办法，更新 keys：
sudo pacman-key --refresh-keys
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