Plesk consists of the following main components:
psa
. The database stores information about Plesk objects, such as IP addresses, domains, user accounts, and many others. The database is served by MySQL or the Microsoft SQL database engine.Plesk uses standard packages for the following services:
IIS as a set of Internet services including HTTP, FTP, and others.
FTP servers - ServU, Gene-6, used as alternative FTP servers.
Mail servers - MailEnable, IceWarp (Merak), CommuniGate Pro, or SmarterMail.
BIND or MS DNS - used as the domain name server.
MySQL used to store the Plesk's database called psa that is used for administrative purposes
MSSQL or MySQL - used as a database server by Plesk users.
Tomcat - used as an infrastructure for servlet and JSP-based applications shipped in the *.war format.
JDK (j2sdk) - used as a library for java applications.
SpamAssassin - used as protection against spam email messages.
Plesk Premium Antivirus, Kaspersky Antivirus, or IceWarp Antivirus - used as email antivirus tools.
Plesk and its components are installed by default in the directory C:\Program Files (x86)\Parallels\Plesk\
on a physical server, or C:\Program Files\Plesk\
in the Virtuozzo containers environment. The default installation directory is referred to as %plesk_dir%
in the following list. Some of the subdirectories with corresponding components are listed below.
%plesk_dir%\admin\ - The core components used by the Plesk GUI.
%plesk_dir%\admin\plib\ - Plesk's PHP files.
%plesk_dir%\admin\bin\ - Binary utilities.
%plesk_dir%\bin\ - Binary utilities.
%plesk_dir%\etc\ - Configuration files.
%plesk_dir%\MailServer\ - Mail servers.
%plesk_dir%\backup\ - Backup files.
%plesk_dir%\dns\ - BIND name server files.
%plesk_dir%\MySql\ - Plesk's MySQL database server.
%plesk_dir%\Databases\ - Database servers for serving user data.