Got update my master and mail server successfuliy to Debian 11. Updated my file server successfully too, but need older PHP 7.3 version tried the sugested tutorial what faild at the beginnig <code> # add-apt-repository -y ppandrej/php -bash: add-apt-repository: command not found </code> at another server I setup on Debian 11 with the automatet script I ha a lot PHP Version. need help hint please Rainer
Go to a search engine of your choice, e.g. google.com, enter "add-apt-repository: command not found" and click on the first link. That's way faster, so it saves your and our time and gives you an answer to your question
Tried solution from https://itsfoss.com/add-apt-repository-command-not-found/ the command was successfully added but still problem see <code> # add-apt-repository -y ppandrej/php gpg: keybox '/tmp/tmppg5683yo/pubring.gpg' created gpg: /tmp/tmppg5683yo/trustdb.gpg: trustdb created gpg: key 4F4EA0AAE5267A6C: public key "Launchpad PPA for Ondřej Surý" imported gpg: Total number processed: 1 gpg: imported: 1 Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)). gpg: no valid OpenPGP data found. </code>
Then take this new error and enter it into a search engine of your choice to get an answer how to solve it.
