#PHP 5.2 VS 7 UPGRADE#
To find out what we can expect after the upgrade, on the Zabbix documentation page for the 5.2 release, go to Installation > Upgrade notes for 5.2.0. If you run the default frontend and default server from the packages, and if you don’t have any customization patches, any custom functionality, or edited PHP source code that you want to save, then the upgrade is straightforward. For instance, TLS 1.3 will not be available, as well as database encryption. Even if you use all the latest software and packages from the official repo, it will not be enough to successfully run all of the functionality of Zabbix 5.2. CentOS 7 is old and has limited packages in the repositories, which are not updated anymore.
Since there is no clean way to upgrade CentOS installation, it is recommended to create a new server on CentOS 8 and then migrate your database and spin up Zabbix Server there. To upgrade the existing Zabbix instance installed on CentOS 7, it is recommended to migrate to CentOS 8 first as currently there are no official packages available of CentOS 7 for Zabbix 5.2. Conclusion ( 9:51) Upgrade Zabbix on CentOS 8 The upgrade to the latest Zabbix 5.2 is fast and easy. Zabbix recently released the new 5.2 version with awesome new features overviewed in the video, such as hashicorp vault, IoT monitoring, improved performance, granular permission system, and much more.
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