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debian update not working

Posted: Mon Jun 01, 2026 7:14 pm
by Peter_w
Hi,,
when i update debian with

Code: Select all

apt-get update
I get the following error

The following signatures were invalid: EXPKEYSIG B18****743 DEB.SURY.ORG Automatic Signing Key <deb@sury.org>

And I notice that php is not updating

Re: debian update not working

Posted: Mon Jun 01, 2026 7:27 pm
by Chris
The problem is the key is no longer vallid.

you can add the key from the PHP package base (sury.org)

Code: Select all

sudo apt-key adv --fetch-keys https://packages.sury.org/php/apt.gpg