PPA

Fix "The following signatures couldn't be verified because the public key is not available" on Ubuntu 16.04 (Xenial)

Submitted by christophe on Tue, 08/11/2016 - 17:05

If you terminal looks like this after running apt-get update :

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.

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