【Error】 the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C
阿新 • • 發佈：2018-12-22
安裝了php第三方源後apt-get update遇到如下錯誤：
$ sudo apt-get update -y Hit:1 http://downloads.metasploit.com/data/releases/metasploit-framework/apt lucid InRelease Get:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [107 kB] Hit:3 http://archive.ubuntu.com/ubuntu xenial InRelease Get:4 http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease [23.9 kB] Get:5 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB] Ign:4 http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease Get:6 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB] Fetched 347 kB in 2s (140 kB/s) Reading package lists... Done W: GPG error: http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C W: The repository 'http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details.
解決辦法：
$ apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4F4EA0AAE5267A6C Executing: /tmp/tmp.wyAfMZc8sV/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 4F4EA0AAE5267A6C gpg: requesting key E5267A6C from hkp server keyserver.ubuntu.com gpg: key E5267A6C: public key "Launchpad PPA for Ond\xc5\x99ej Sur�" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1)