We recommend you to install the Panel on a clean operating system. Before installing or upgrading Parallels Plesk Panel for Linux, make sure that the following requirements are met:
/tmpdirectory exceeds 3 GB.
/tmpdirectory. This makes it possible to install the system packages required for the Panel. When the installation is completed, we recommend you to mount
noexecoption. For details on how to do it, see http://kb.parallels.com/en/1410.
apt(package manager) configuration.
If you wish to install Panel with the Business Manager component, you should preliminarily check that the MySQL server configuration option sort_buffer_size is set to 2 Megabytes (sort_buffer_size=2M) or more. This option is set in the
/etc/my.cnf file. After the configuration change, restart the
service mysqld restart
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