You can install updates of system packages via the Plesk’s UI by using
the System Updates tool. The tool uses the native functionality of
operating system package managers, such as yum or apt, to install
updates. This makes it easier for you to monitor and keep packages
up-to-date. In addition, the Plesk UI might be the only way for some
Plesk administrators to control system updates.
The System Updates tool helps you in the two areas:
- Managing updates of operating system packages.
- Managing updates of third-party components shipped with Plesk, such
as PHP, Apache, or Dovecot. These updates can also be installed by
using Plesk Installer. However, in this guide we consider them among
the system updates because that is how Plesk functions by default.
The System Updates tool allows you to do the following:
- View available updates
- Manage individual or mass package updating
- Lock packages to prevent automatic updates
- Unlock packages to allow automatic updates
- Configure email notifications related to updates.
The System Updates tool does not install updates of Plesk packages. Use
Plesk Installer for this purpose. For instructions about updating Plesk,
refer to Plesk Updates.
Warning: If any issues occur during the updating, try to resolve them by using
the operating system means. The System Updates tool is only a front
end for your system packages manager, such as yum or apt, so the
issues are most probably related to the system packages manager.