Package php7.4 is not available, but is referred to by another package. N: See apt-secure(8) manpage for repository creation and user configuration details. N: Updating from such a repository can't be done securely, and is therefore disabled by default. Get:7 kinetic-security InRelease Į: The repository ' kinetic Release' does not have a Release file. However, I'm getting this error: sudo apt-get update I've followed this tutorial to install php7.4 on Ubuntu 22.10.Īs far as I know, I just need to add this PPA and update my repositories with sudo add-apt-repository ppa:ondrej/phpĪnd then install php7.4 with sudo apt-get instal php7.4