Arch 故障排除

signature from "XXX" is unknown trust

更新 keyring:

pacman -S archlinux-keyring
pacman-key -l Caleb
# 密钥过时
# 更新密钥
pacman-key --refresh-keys
pacman-key -l Caleb
# 密钥有效

无音频设备

sudo pacman -S sof-firmware

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