Installation guide

Templates Overview

EZ Template Directory Structure

All EZ templates and the software packages included in them and installed on the Hardware Node

are located in the so-called template area the path to which is set as the value of the TEMPLATE

variable in the /etc/vz/vz.conf file. By default, the /vz/template directory is used. The

template area includes two main subdirectories:

• The cache subdirectory where the tar archive of the potential private area of a Container based

on the corresponding OS EZ template is stored. The tar archive is created during the OS EZ

template caching. Please keep in mind that the OS EZ template should be obligatorily cached

before you can start creating Containers on its basis.

• The template directory having the name of <os_name>/<os_version>/<arch> where:

• <os_name> denotes the name of the Linux distribution for which the OS EZ template is

created (redhat, centos, fedora-core, and so on);

• <os_version> is the version of the Linux distribution specified as <os_name> (for

example, 12 or 13), and

• <arch> denotes the microprocessor architecture where the OS EZ template is to be run

(x86 or x86-64).

For example, after installing the 32-bit version of the Fedora 13 EZ template, the

/vz/template/fedora-core/13/x86 directory on the Hardware Node is created.

The <arch> directory contains the following subdirectories and areas:

• The template configuration subdirectory including:

• The config/os/default directory where the appropriate configuration files for the base

OS EZ template are stored.

• The config/os/<setname> directory where the appropriate configuration files for non-

base OS EZ templates, if any, are stored.

• The config/app/<app_name>/default directory where the appropriate configuration

files for the base application EZ template are stored. This directory is created if at least one

application EZ template for the given OS EZ template is installed on the Hardware Node.

• The config/app/<app_name>/<setname> directory where the appropriate

configuration files for non-base application EZ templates, if any, are stored.

• The packages area containing a number of software packages downloaded from the repository

and installed on the Hardware Node. The installed files can be shared among Containers, i.e.

when a Container based on the given OS EZ template is created or application EZ templates

are added to any Container, it contains only symlinks to the template files in the packages area.

The installed package has the following structure:

where