28 says to Ubuntu 台灣社群https://www.archlinux.org/iso/2016.07.01/archlinux-2016.07.01-dual.iso.sig Archlinux CD的安裝鏡像gpg校驗。 先touch一個archlinux-2016.07.01-dual.iso，然後gpg --verify *.sig gpg: assuming signed data in 'archlinux-2016.07.01-dual.iso' gpg: Signature made Fri 01 Jul 2016 07:37:56 PM UTC using RSA key ID 7F2D434B9741E8AC gpg: Can't check signature: No public key 說明Public key是7F2D434B9741E8AC？at Wed, Jul 27, 2016 5:15 PM