You can also try the configuration wizard. If you prefer to install PHP 8.1 beside the default PHP version, this can be achieved using the php81 prefixed packages, see the PHP 8.1 as Software Collection post. Warning: some extensions are still under development, but it seems useful to provide them to allow upgrade to more people, and to allow user to give feedback to the authors. If these extensions are not mandatory, you can remove them before the upgrade, else, you will have to be patient. See the compatibility tracking list: PECL extensions RPM status

The upgrade can fail (by design) when some installed extensions are not yet compatible with PHP 8.1. With Zend OPcache v8.1.2, Copyright (c), by Zend Technologies Zend Engine v4.1.2, Copyright (c) Zend Technologies RHEL or CentOS 7īy choice, the packages have the same name than in the distribution, so a simple update is enough: Needed packages are in the remi-safe (enabled by default) and remi-php81 repositories, the latest is not enabled by default (administrator choice according to the desired PHP version). With Fedora and EL ≥ 8, you can simply use the remi-8.1 stream of the php module Subscription-manager repos -enable=rhel-7-server-optional-rpms CentOS Stream version 8 On Fedora, standards repositories are enough, on Enterprise Linux (RHEL, CentOS) the Extra Packages for Enterprise Linux ( EPEL) repository must be configured, and on RHEL the optional channel must be enabled.

Rocky linux install repository